รากเทียม
Table of contents for topics related to dental implants.
รากฟันเทียม (Implant)

What are Dental Implants? A Long-Term Solution for Missing Teeth

The loss of a natural tooth—whether due to unexpected trauma, deep-seated dental caries, or advanced periodontal disease—strips away far more than just a single tooth; it progressively diminishes your inner self-confidence and compromises your overall masticatory efficiency. If you are seeking a restorative dental option that is "completely natural-looking, permanently fixed, and entirely free from the inconveniences of removable dentures," Dental implants are widely considered one of the most predictable and long-lasting solutions for replacing missing teeth. Dental implants help restore both the appearance and function of your natural smile., restoring robust structural strength and full function that mirrors your genuine teeth. At Veneerist Dental Clinic Krabi, our experienced dental team utilizes state-of-the-art technologies to guide you through every step of your treatment journey

Leaving a Missing Tooth Untreated: What Happens When a Missing Tooth Is Left Untreated?

Many individuals assume that a single missing tooth, particularly in the posterior (back) zone, requires no immediate attention. However, from an anatomical and clinical standpoint, leaving an empty gap over an extended duration triggers a destructive domino effect throughout the oral cavity:

  • Adjacent Tooth Drifting: The teeth bounding the empty space will gradually tilt, drift, and lean into the gap. This disrupts occlusion (your bite) and creates intricate interdental spaces that trap plaque, significantly elevating the risks of localized tooth decay and aggressive gum disease.

  • Opposing Tooth Over-Eruption: The opposing tooth in the opposite arch (whether upper or lower) will gradually over-erupt and elongate downward or upward into the vacant space. This exposes its own root surface, inducing severe temperature sensitivity, and frequently leading to its unavoidable extraction in the future.

  • Alveolar Bone Resorption: Without a natural tooth root to transmit vital mechanical chewing forces, the underlying bone tissue lacks biological stimulation. Consequently, the bone progressively resorbs, shrinks, and melts away. Bone loss may gradually affect facial support and alter facial appearance over time, changes in facial contours (smile lines), and visible alterations in facial symmetry.

  • Gastrointestinal Strain: An incomplete dental arch severely compromises masticatory efficiency. Swallowing poorly chewed food places a heavy chronic burden on the stomach, Reduced chewing efficiency may make it more difficult to properly break down food before swallowing.

What is a Dental Implant? An In-Depth Look at Its Anatomical Components

A dental implant is a small titanium post that serves as an artificial tooth root. engineered from ultra-pure Titanium. Titanium possesses an excellent biocompatibility that allows it to undergo Osseointegration—a natural process where the surrounding living bone tissue fuses seamlessly and permanently with the metal surface without any biological rejection. Our specialists precisely place this implant body into the jawbone to serve as an a stable foundation for a replacement tooth for your custom prosthetic tooth.

Components of a Dental Implant

A comprehensive implant restoration is masterfully integrated through three essential structural components:

  1. Implant Body / Fixture: The titanium screw component that is surgically embedded directly into the alveolar bone, perfectly replicating the function of a natural tooth root beneath the gumline.

  2. Abutment: The high-precision connecting connector made of titanium or ceramic. Once osseointegration is complete, the abutment is securely affixed to the implant fixture to serve as the structural core that supports the final aesthetic crown.

  3. Crown: The visible part of the restoration that is designed to match your natural teeth. Meticulously custom-crafted by elite dental laboratories using premium-grade ceramic or zirconia, it is shaped and shaded to mirror the translucency, contour, and biting strength of your natural teeth flawlessly.

Why Do Dental Implants Help Preserve the Jawbone?

One of the key advantages of dental implants is their ability to help preserve the jawbone in areas where teeth have been lost. This differs from removable dentures or dental bridges.

When a tooth is lost, the natural tooth root that once transmitted chewing forces to the jawbone is also lost. As a result, the bone in that area no longer receives natural stimulation, causing it to gradually resorb over time.

Dental implants function similarly to natural tooth roots by receiving chewing forces and transferring them to the jawbone. This allows the bone to continue receiving functional stimulation, which helps slow down bone resorption and maintain the contour of the alveolar ridge over the long term.

Benefits of Dental Implants

  • Replace the function of lost natural tooth roots.
  • Help distribute chewing forces in a manner similar to natural teeth.
  • Help slow the resorption of the jawbone in areas where teeth have been lost.
  • Eliminate the need to prepare adjacent teeth, unlike dental bridges.
  • Help improve confidence in chewing, speaking, and everyday activities.

Implant Treatment Options: Tailored Solutions for Every Missing Tooth Scenario

No matter how many teeth have been lost, advanced dental implantology provides a treatment option tailored to your exact anatomical needs:

  • Single Implant: Engineered for individuals missing a single tooth. This involve placing one titanium implant body to support one bespoke ceramic crown, completely preserving neighboring teeth.

  • Implant Supported Bridge: An ideal solution for patients missing 3–4 adjacent teeth. Instead of placing an implant for every missing root, our specialists strategically embed just 2 implants (at the endpoints) to securely support a multi-unit dental bridge, offering exceptional stability while optimizing your financial investment.

  • All-on-4 / Implant Overdenture: Designed for individuals facing total tooth loss across an entire arch or struggling with loose, shifting full dentures. We embed 2–4 strategic implants to serve as an uncompromised “anchoring locking mechanism” that keeps the full-arch denture completely stable during high-force mastication and fluent speech.

Full-Arch Tooth Replacement with Dental Implants

What Are the Differences Between Implant Overdentures, All-on-4, and All-on-6?

When multiple teeth or all teeth in a jaw are lost, conventional removable dentures can restore appearance, speech, and chewing function to a certain extent.

However, some patients may experience problems such as:

  • Loose dentures
  • Dentures shifting or rocking while chewing
  • Dentures becoming dislodged while speaking
  • Difficulty chewing food effectively
  • Pressure sores caused by the denture base
  • Reduced confidence in daily life
  • Not wanting to remove and insert dentures frequently

Dental implants can be used as a foundation to support a new set of teeth, helping improve stability and function. Common treatment options for patients who have lost all teeth in a jaw include:

  • Implant Overdenture – A removable denture supported by dental implants.
  • All-on-4 – A fixed full-arch prosthesis supported by four dental implants.
  • All-on-6 – A fixed full-arch prosthesis supported by six dental implants.

Although all three options use dental implants as their foundation, they differ in terms of function, treatment procedures, patient experience, maintenance, and cost.

Selecting the most appropriate treatment requires a comprehensive oral examination, assessment of bone volume, X-ray imaging, bite analysis, and collaborative treatment planning between the patient, the dentist, and the dental laboratory.

What Is an Implant Overdenture?

An Implant Overdenture is a removable denture that uses dental implants to provide greater stability than a conventional full denture.

The dental implants act as anchoring points within the mouth, while the inner surface of the denture contains attachment components designed to snap onto the implant attachments.

When the patient places the denture in the correct position and applies gentle pressure, the denture snaps securely onto the attachments, making it more resistant to movement, rocking, or dislodgement.

Although it provides greater stability than a conventional denture, an Implant Overdenture remains removable. Patients can remove it themselves to clean the denture, the attachment components, and the gums surrounding the dental implants.

How Many Dental Implants Are Used for an Implant Overdenture?

For Implant Overdenture treatment at Veneerist Dental Clinic, the treatment plan generally involves the placement of approximately four dental implants per arch to provide an appropriate number of support points and distribute functional forces effectively.

The four dental implants serve as anchoring points for the attachment system located inside the denture. Once the denture is properly positioned, it snaps securely onto the attachments, helping reduce movement, dislodgement, and rocking during speaking and chewing.

Using four dental implants improves denture stability, particularly in the posterior region, where rocking may occur more easily during chewing. The additional support points help distribute functional forces more evenly, allowing the denture to function with greater confidence.

However, the position of each implant must be carefully planned based on:

  • The quantity and quality of the jawbone
  • The shape of the alveolar ridge
  • The location of nerves and the maxillary sinus
  • The patient’s bite relationship
  • Chewing forces
  • The available space for the attachment system and denture base
  • The patient’s ability to maintain oral hygiene

Before treatment begins, the dentist will perform a comprehensive oral examination and evaluate X-ray images to determine the optimal placement of the four dental implants according to each patient’s prosthetic design and functional requirements.

How Does the Implant Overdenture Attachment System Work?

An Implant Overdenture uses an individual attachment system at each implant site. The top of each dental implant is fitted with a small rounded attachment.

The inner surface of the denture contains corresponding attachment components designed to snap securely onto these implant attachments.

When the patient positions the denture correctly and applies gentle pressure, the denture snaps into place, providing greater stability than a conventional removable denture.

This attachment system helps reduce denture movement, rocking, and dislodgement while still allowing patients to remove the denture for routine cleaning.

Advantages of the Attachment System

  • Improves denture stability.
  • Reduces denture movement and rocking while speaking.
  • Reduces the likelihood of the denture becoming dislodged during meals.
  • Allows patients to remove and insert the denture themselves.
  • Enables cleaning of both the inner surface of the denture and the tissues surrounding the dental implants.
  • Internal attachment components can be inspected, replaced, or adjusted as they wear over time.
  • Suitable for patients who want a more stable denture while still being able to remove it for cleaning.

After prolonged use, patients may notice that the denture no longer snaps into place as firmly as before or becomes easier to remove. This may occur because the internal attachment components have worn through normal use.

This does not necessarily indicate a problem with the dental implants themselves. The dentist will evaluate the attachment system and replace worn components when appropriate.

Who Is an Implant Overdenture Suitable For?

An Implant Overdenture may be suitable for patients who:

  • Have lost all teeth in the upper jaw, lower jaw, or both jaws.
  • Feel that their conventional full dentures are loose.
  • Experience denture movement or rocking while chewing.
  • Have poor retention of a lower denture.
  • Are concerned that their dentures may become dislodged while speaking or eating.
  • Wish to improve denture stability.
  • Prefer a denture that can be removed for cleaning.
  • Want to use dental implants for support without requiring a fixed full-arch prosthesis.
  • Have certain limitations related to bone volume or treatment cost.
  • Are able to remove, insert, and clean their dentures on a regular basis.

Advantages of an Implant Overdenture

  • Provides greater stability than a conventional full denture.
  • Helps reduce denture movement and rocking.
  • Improves confidence while speaking and eating.
  • Makes chewing more comfortable.
  • Can be removed for cleaning.
  • Allows direct cleaning of the gums and implant attachments.
  • The denture base can help support the lips and compensate for lost soft tissue.
  • The denture base can be adjusted, repaired, or the attachment components replaced when appropriate.
  • Generally requires fewer dental implants than a fixed full-arch restoration.
  • Suitable for patients who want improved stability while still accepting a removable denture.

Limitations of an Implant Overdenture

  • It remains a removable denture.
  • The denture must be removed and cleaned every day.
  • It may need to be removed before sleeping, as recommended by the dentist.
  • The attachment components or internal inserts may wear over time and require replacement.
  • The denture may become looser as the alveolar ridge changes over time.
  • The denture may require relining, rebasing, or replacement in the future.
  • Food debris may accumulate beneath the denture base.
  • An adjustment period is required to become accustomed to inserting and removing the denture.
  • The sensation during function may not be identical to that of natural teeth.
  • Ongoing care of the gums and bone surrounding the dental implants is still necessary.

Implant Overdenture Treatment Procedure

The treatment process may vary depending on each patient’s oral condition and general health. In general, it consists of the following steps.

Step 1: Oral Examination

The dentist will evaluate:

  • Remaining teeth
  • Gum health
  • The quantity and shape of the jawbone
  • The condition of the alveolar ridge
  • The patient’s bite
  • Existing dentures
  • Pressure areas or denture-related sores
  • The patient’s ability to maintain oral hygiene

If any natural teeth remain, the dentist will determine which teeth can be preserved and which have a poor prognosis and should be extracted.

Step 2: Medical History Review

Patients should provide the dentist with a complete medical history, including:

  • Diabetes
  • Cardiovascular disease
  • High blood pressure
  • Osteoporosis
  • Bleeding disorders
  • A history of radiation therapy to the head and neck
  • Drug allergies
  • Smoking
  • Blood-thinning medications
  • Anticoagulant medications
  • Medications that affect bone metabolism
  • Previous surgeries or related medical treatments

Having an underlying medical condition does not necessarily mean that dental implants cannot be placed. However, the patient’s overall health must be carefully evaluated, and any medical conditions should be appropriately controlled before treatment.

Step 3: Diagnostic Records and Treatment Planning

Before treatment begins, the dentist will collect the necessary diagnostic information to determine the optimal implant positions and design the denture according to each patient’s individual needs.

Clinical Photographs

For denture cases, the clinic photographs every patient as part of the treatment planning process shared between the dentist and the dental laboratory.

The photographs help evaluate:

  • Facial shape and proportions
  • Smile line
  • Tooth display
  • Lip support
  • Facial midline
  • Dental midline
  • Tooth shape, size, and arrangement
  • Tooth shade
  • The desired smile characteristics
  • The patient’s pre-treatment oral condition

These records allow the dentist and dental laboratory to communicate effectively and design a denture that is appropriate for the patient’s facial appearance, function, and individual needs.

X-ray Imaging

The dentist will determine which X-ray examinations are necessary for each individual case, such as:

  • Panoramic X-ray (OPG) to evaluate the overall condition of the teeth, jawbone, and surrounding structures.
  • 3D CT Scan to assess the width, height, and shape of the jawbone, as well as the location of nerves and the maxillary sinus.

X-ray images help the dentist evaluate:

  • Bone quantity
  • Bone quality
  • Suitable implant placement sites
  • The number of implants required
  • Implant size and angulation
  • Nerve location
  • Maxillary sinus location
  • Whether bone grafting or additional procedures may be necessary
Dental Impressions or Intraoral Scanning

Dental impressions or an intraoral scan are used to record the shape of the alveolar ridge, the position of any remaining teeth, and the detailed anatomy of the oral cavity for denture design.

Bite Registration

The dentist will evaluate:

  • The relationship between the upper and lower jaws
  • Facial height
  • Bite position
  • The available space for the denture
  • The planned position of the prosthetic teeth
  • Lip support
  • Speech

All of this information will be analyzed together before the treatment plan is finalized.

Step 4: Pre-Implant Oral Preparation

Before implant surgery, the oral cavity may need to be prepared by:

  • Extracting teeth that cannot be preserved
  • Treating gum disease
  • Performing professional scaling
  • Controlling dental plaque
  • Treating oral infections
  • Adjusting existing dentures
  • Performing bone grafting where bone volume is insufficient
  • Allowing adequate healing of the surgical site or bone as appropriate

Step 5: Dental Implant Surgery

The dentist will administer local anesthesia and place the dental implants into the jawbone according to the planned positions.

The duration of surgery depends on:

  • The number of implants
  • Implant locations
  • Bone volume
  • Case complexity
  • Whether tooth extraction is performed simultaneously
  • Whether bone grafting or additional procedures are required

In some cases, a temporary denture may be worn during the healing period, provided it has been appropriately adjusted to avoid placing excessive pressure or undesirable forces on the surgical site.

Step 6: Healing and Osseointegration

After surgery, time is required for the dental implants to integrate with the jawbone through a process known as osseointegration.

The healing period varies depending on:

  • The jaw being treated
  • Bone quality
  • Bone quantity
  • Initial implant stability
  • Overall health
  • Smoking
  • Whether bone grafting was performed
  • The individual’s healing response

In general, this process may take several months. The dentist will evaluate whether the implants are ready to support functional loading before proceeding with denture fabrication.

Step 7: Placement of the Attachments and Denture Design

Once the implants have successfully integrated with the bone and achieved adequate stability, the dentist will place the attachment components onto the implants.

The denture fabrication process then begins, including:

  • Dental impressions or scanning of the implant positions
  • Bite registration
  • Determining facial height
  • Selecting the size and shape of the prosthetic teeth
  • Selecting the tooth shade
  • Trial tooth arrangement
  • Evaluating the smile line
  • Assessing lip support
  • Evaluating speech
  • Verifying the position of the attachment components within the denture

Step 8: Denture Try-In and Evaluation

Before the final denture is fabricated, a trial arrangement of the teeth may be performed to evaluate:

  • Tooth position
  • Tooth shape
  • Tooth shade
  • Smile line
  • Lip support
  • Speech
  • Facial height
  • Bite relationship
  • Patient satisfaction

If any adjustments are required, the dentist will communicate the necessary changes to the dental laboratory before fabrication of the final prosthesis.

Step 9: Delivery of the Denture

When the denture is completed, the dentist will evaluate:

  • The fit of the denture base
  • The position of the attachment components
  • Retention during the snap-fit
  • Ease of insertion and removal
  • Bite relationship
  • Pressure areas
  • Stability during function
  • Smile appearance
  • Speech

Patients will receive instructions on inserting, removing, cleaning, and using the denture, as well as recommendations regarding eating.

Step 10: Follow-Up and Adjustments

After receiving the new denture, patients may need follow-up appointments to:

  • Adjust pressure areas
  • Refine the bite
  • Evaluate insertion and removal
  • Check the retention of the attachment system
  • Assess oral hygiene
  • Examine the health of the gums surrounding the dental implants

Early adjustments are considered a normal part of the denture treatment process.

Care of an Implant Overdenture

Denture Cleaning

  • Remove the denture and clean it every day.
  • Use a denture brush or a soft-bristled toothbrush.
  • Clean both the outer and inner surfaces of the denture.
  • Clean the attachment housing inside the denture.
  • Avoid using toothpaste that contains abrasive particles.
  • Avoid using very hot water, as it may cause the denture to become distorted.
  • Do not use sharp objects to clean around the attachment components.

Cleaning Inside the Mouth

  • Gently brush around the implant attachments.
  • Clean the gums surrounding the dental implants.
  • Use appropriately sized interdental brushes.
  • Clean the tongue and the oral soft tissues.
  • Check for plaque or food debris around the attachment components.

Long-Term Maintenance

After a period of use, the following may be required:

  • Replacement of the internal attachment components.
  • Adjustment of the denture retention.
  • Relining the denture base.
  • Rebasing the denture.
  • Repair of denture cracks or fractures.
  • Bite adjustment.
  • Fabrication of a new denture when the denture materials have deteriorated or significant changes have occurred in the alveolar ridge.

What Is All-on-4?

All-on-4 is a treatment concept for replacing all teeth in a jaw with a fixed full-arch prosthesis supported by four dental implants.

In general, the anterior implants may be placed in a relatively straight orientation, while the posterior implants may be angled according to the treatment plan to help distribute support for the prosthesis and make optimal use of the available bone.

Angling the posterior implants may help avoid important anatomical structures, such as the maxillary sinus in the upper jaw or the inferior alveolar nerve in the lower jaw.

However, the implant placement design is determined according to each patient’s bone anatomy and oral structures. This does not mean that every patient will have the same implant positions or angulations.

Is an All-on-4 Prosthesis Removable?

For patients, an All-on-4 prosthesis is considered a fixed restoration. It does not need to be removed daily like a conventional removable denture.

The prosthesis is secured to the dental implants using prosthetic components and screws according to its design.

If inspection, repair, component replacement, or professional deep cleaning is required, the dentist can remove the prosthesis using specialized instruments.

Patients should not attempt to remove the prosthesis themselves.

Who Is All-on-4 Suitable For?

All-on-4 may be suitable for patients who:

  • Have lost all teeth in one jaw.
  • Have multiple remaining teeth that cannot be preserved.
  • Have advanced periodontal disease.
  • Have multiple loose teeth.
  • Have multiple severely fractured or decayed teeth.
  • Have unstable removable dentures.
  • Want a fixed full-arch restoration.
  • Have sufficient bone volume and appropriate bone anatomy for four dental implants.
  • Are in suitable general health for implant surgery.
  • Are able to maintain hygiene beneath the prosthesis.
  • Understand that the prosthesis may require maintenance or repairs over the long term.

How Many Teeth Does an All-on-4 Prosthesis Have?

The number of teeth in an All-on-4 prosthesis does not necessarily correspond to the number of natural teeth.

In many cases, the prosthesis may be designed with approximately 10–12 teeth per arch. However, the appropriate number depends on several factors, including:

  • Jaw shape
  • Implant position
  • Bone volume
  • Smile line
  • Chewing forces
  • Jaw relationship
  • Posterior cantilever length
  • Prosthetic material
  • Space available for oral hygiene
  • Occlusion with the opposing jaw

The dentist will design the number and position of the teeth to optimize strength, function, and long-term maintenance.

Advantages of All-on-4

  • Provides a fixed full-arch restoration.
  • Does not need to be removed every day.
  • Replaces multiple missing teeth or all teeth in a jaw.
  • Uses four dental implants to support the entire prosthesis.
  • Improves stability during speaking and chewing.
  • Reduces problems associated with loose or rocking dentures.
  • Allows customization of the smile line and tooth shape.
  • Can help improve lip support according to the prosthetic design.
  • Does not require preparation of adjacent natural teeth for support.
  • In suitable candidates, a fixed temporary prosthesis may be provided during the early stage of treatment.
  • Angled placement of the posterior implants may help maximize the use of available bone in certain cases.

Limitations and Risks of All-on-4

  • Implant surgery is required.
  • Not every patient is suitable for treatment with four dental implants.
  • Not every patient is eligible for immediate fixed temporary teeth.
  • Bone grafting or additional surgical procedures may be required in some cases.
  • Each dental implant plays an important role in supporting the entire system.
  • If one or more implants fail to integrate with the bone, the treatment plan may need to be modified.
  • The area beneath the prosthesis must be cleaned regularly.
  • Food debris may accumulate beneath the bridge.
  • Prosthetic screws or components may loosen.
  • Prosthetic teeth or veneering materials may wear, chip, or fracture.
  • The prosthesis may require repair or replacement in the future.
  • Patients who grind or clench their teeth may have a higher risk of prosthetic damage.
  • Smoking or poorly controlled systemic diseases may increase the risk of complications.
  • Long-term follow-up and maintenance are required.

All-on-4 Treatment Procedure

The treatment process generally consists of the following steps.

Step 1: Oral Examination

The dentist will evaluate:

  • Remaining teeth
  • Gum health
  • Periodontal disease
  • Oral infections
  • Bone volume
  • Occlusion
  • Existing dentures
  • Available space for the new prosthesis
  • The patient’s ability to maintain oral hygiene

If natural teeth remain, the dentist will evaluate the prognosis of each tooth before deciding whether extraction is necessary.

The decision to extract all remaining teeth should not be based solely on convenience. It should be made after carefully comparing all available treatment options and evaluating the prognosis of the existing teeth.

Step 2: Medical Assessment and Risk Evaluation

The dentist will review:

  • Medical history
  • Current medications
  • Smoking habits
  • Drug allergies
  • Previous surgical history
  • Bleeding disorders
  • Bruxism (teeth grinding)
  • Oral hygiene ability
  • Expectations regarding treatment outcomes

Step 3: Diagnostic Records and Treatment Planning

Planning an All-on-4 treatment requires comprehensive diagnostic information.

Clinical Photographs

For full-arch rehabilitation cases, the clinic photographs every patient to facilitate treatment planning between the dentist and the dental laboratory.

The photographs help evaluate:

  • Facial shape
  • Facial proportions
  • Smile line
  • Facial midline
  • Dental midline
  • Tooth display
  • Tooth length
  • Lip support
  • Tooth colour and shape
  • Desired smile characteristics
  • Pre-treatment condition
Panoramic X-ray

A Panoramic X-ray (OPG) is used to evaluate the overall condition of the teeth, jawbone, and surrounding anatomical structures.

3D CT Scan

A 3D CT Scan is used to evaluate:

  • Bone width
  • Bone height
  • Alveolar ridge shape
  • Nerve location
  • Maxillary sinus location
  • Existing tooth root positions
  • Suitable implant placement sites
  • Implant angulation and dimensions
  • The need for bone grafting
Dental Impressions or Intraoral Scanning

Dental impressions or an intraoral scan are used to record the anatomy of the oral cavity, tooth positions, alveolar ridge, and the space required for prosthetic design.

Bite Registration

The dentist will analyze:

  • Jaw relationship
  • Facial height
  • Occlusion
  • Interarch space
  • Space available for the prosthesis
  • Chewing forces
  • Speech
  • Lip support

All diagnostic information is analyzed together to ensure that implant placement corresponds appropriately with the planned tooth positions.

Step 4: Designing the Implant Positions and New Prosthesis

The dentist will plan:

  • The positions of all four dental implants
  • Implant angulation and depth
  • The position of the new prosthetic teeth
  • Smile line
  • Tooth length
  • Occlusion
  • Space for oral hygiene
  • The design of the temporary prosthesis
  • The design of the definitive prosthesis

In some cases, digital planning systems or guided surgery may be used when appropriate.

Step 5: Oral Preparation

Preparation may include:

  • Extraction of teeth that cannot be preserved
  • Treatment of oral infections
  • Periodontal treatment
  • Alveolar ridge contouring
  • Bone grafting
  • Soft tissue preparation
  • Pre-surgical oral cleaning

In some cases, tooth extraction and implant placement can be performed on the same day, depending on the condition of the bone and the presence of infection.

Step 6: Placement of Four Dental Implants

The dentist will place the four dental implants according to the treatment plan under local anesthesia.

The duration and complexity of surgery depend on:

  • The number of teeth to be extracted
  • Bone volume
  • Implant positions
  • Whether bone grafting is required
  • The patient’s overall health
  • The surgical technique used

Step 7: Evaluation of Implant Stability

After implant placement, the dentist will assess whether the implants have achieved sufficient primary stability to support a temporary prosthesis.

If the implants demonstrate adequate stability and all required criteria are met, a fixed temporary prosthesis may be placed.

If sufficient stability has not been achieved, the implants may be allowed to heal and integrate with the bone before prosthetic loading, or another type of temporary prosthesis may be provided during the healing period.

Step 8: Placement of the Temporary Prosthesis

The temporary prosthesis allows patients to have functional teeth while the surgical site and implants heal.

It also serves to evaluate:

  • Smile line
  • Tooth shape
  • Speech
  • Lip support
  • Occlusion
  • Ease of oral hygiene
  • Patient satisfaction

Because the temporary prosthesis has limitations in strength, patients should follow dietary instructions carefully and avoid hard foods.

Step 9: Healing and Osseointegration

Following surgery, time is required for the implants to integrate with the jawbone.

During this period, patients should:

  • Follow the recommended soft-food diet.
  • Maintain good oral hygiene.
  • Take medications as prescribed.
  • Attend scheduled follow-up appointments.
  • Avoid smoking.
  • Avoid excessive forces on the prosthesis.
  • Notify the dentist if the prosthesis becomes loose, fractures, or if any unusual symptoms develop.

Step 10: Fabrication of the Definitive Prosthesis

Once the implants and surrounding tissues have achieved sufficient stability, fabrication of the definitive prosthesis begins.

This stage may include:

  • Dental impressions or scanning of the implant positions
  • Verification of impression accuracy
  • Bite registration
  • Assessment of facial height
  • Trial evaluation of tooth position and shape
  • Selection of shade and restorative materials
  • Framework evaluation
  • Occlusal adjustment
  • Assessment of oral hygiene access
  • Delivery of the definitive prosthesis

Step 11: Follow-Up Care

After the definitive prosthesis has been delivered, regular follow-up examinations are necessary to evaluate:

  • The health of the gums surrounding the implants
  • Bone levels around the implants
  • Plaque accumulation
  • Screw stability
  • Material wear
  • Occlusion
  • Cleanliness beneath the prosthesis
  • Bruxism (teeth grinding)
What Does "Teeth in a Day" Mean?

The term “Teeth in a Day” or “Immediate Fixed Teeth” generally refers to the placement of a temporary prosthesis on the day of surgery or within a short period after implant placement.

It does not mean that the entire treatment is completed in a single day, nor does it mean that the patient receives the definitive prosthesis immediately.

Early placement of a temporary prosthesis may be possible when appropriate conditions are met, such as:

  • The implants have achieved sufficient primary stability.
  • Bone quantity and quality are adequate.
  • The implant positions provide appropriate support.
  • Functional forces on the prosthesis can be properly controlled.
  • There is no infection that could interfere with healing.
  • The patient’s overall health is suitable.
  • The patient is able to follow dietary and post-operative care instructions.

If these criteria are not met, the dentist may recommend allowing the implants to heal and integrate with the bone before loading them, thereby providing a more appropriate treatment approach and reducing potential risks.

What Is All-on-6?

All-on-6 is a treatment concept that uses six dental implants to support a fixed full-arch prosthesis.

The overall principle is similar to that of All-on-4, but the number of dental implants is increased to six in order to provide additional support points and help distribute functional forces according to the dentist’s treatment plan.

However, All-on-6 is not necessarily better than All-on-4 for every patient.

The decision to increase the number of dental implants depends on factors such as:

  • Whether sufficient bone is available.
  • Whether the bone anatomy is suitable.
  • Whether there is adequate spacing between the implants.
  • Whether the patient is able to maintain proper oral hygiene.
  • Whether the additional implants provide a genuine benefit to the prosthetic design.

Who Is All-on-6 Suitable For?

All-on-6 may be suitable for patients who:

  • Have lost all teeth in one jaw.
  • Want a fixed full-arch restoration.
  • Have sufficient bone volume and appropriate bone anatomy for six dental implants.
  • Require additional support points according to the treatment plan.
  • Have high chewing forces.
  • Have an occlusal pattern that requires additional force distribution.
  • Have appropriate jaw size and prosthetic span.
  • Are able to maintain hygiene beneath the prosthesis.
  • Accept the additional treatment procedures, treatment time, and associated costs.

Advantages of All-on-6

  • Provides a fixed full-arch restoration.
  • Offers additional support points for the prosthesis.
  • Helps distribute functional forces across multiple dental implants.
  • May help reduce the cantilever length in certain cases.
  • Provides greater flexibility in designing implant support positions.
  • Suitable for patients with sufficient bone volume.
  • Allows the full-arch prosthesis to be designed according to the patient’s facial appearance and occlusion.
  • Provides greater stability during speaking and chewing compared with conventional removable dentures.

Limitations of All-on-6

  • Requires sufficient bone volume to accommodate six dental implants.
  • Bone grafting or additional surgical procedures may be necessary.
  • The treatment may be more complex.
  • Treatment costs increase according to the number of implants and prosthetic components.
  • Adequate spacing between implants is required.
  • Placing too many implants may make oral hygiene more difficult.
  • There remains a risk of inflammation around the dental implants.
  • Prosthetic screws or components may loosen.
  • Prosthetic teeth or restorative materials may wear, chip, or fracture.
  • Long-term follow-up and maintenance are required.

All-on-6 Treatment Procedure

The primary treatment steps are similar to those of All-on-4, including:

  • Oral examination.
  • Evaluation of the remaining teeth.
  • Review of the patient’s medical history and current medications.
  • Clinical photographs of the oral cavity and face.
  • Panoramic X-ray (OPG).
  • Three-dimensional X-ray imaging (3D CT Scan).
  • Dental impressions or intraoral scanning.
  • Bite registration.
  • Planning the positions of all six dental implants.
  • Planning the temporary and definitive prostheses.
  • Tooth extraction or bone grafting, when necessary.
  • Dental implant surgery.
  • Assessment of implant stability.
  • Placement of a temporary prosthesis, if the required criteria are met.
  • Healing and osseointegration.
  • Fabrication of the definitive prosthesis.
  • Long-term follow-up and maintenance.

The key difference is the placement of all six dental implants with appropriate positioning and spacing while avoiding important anatomical structures such as nerves and the maxillary sinus, and while maintaining adequate access for oral hygiene.

Comparison of Implant Overdenture, All-on-4, and All-on-6

Feature Implant Overdenture All-on-4 All-on-6
Type of Prosthesis Removable denture Fixed prosthesis Fixed prosthesis
Number of Dental Implants Generally 2–4 implants 4 implants 6 implants
Can the Patient Remove It? Yes No No
Retention System Snap attachment system Screw-retained fixed prosthesis Screw-retained fixed prosthesis
Cleaning Remove the denture for cleaning Clean around and beneath the prosthesis while in the mouth Clean around and beneath the prosthesis while in the mouth
Stability Greater than a conventional removable denture High High
Lip Support The denture base provides good replacement of lost soft tissue Depends on the prosthetic design Depends on the prosthetic design
Maintenance Attachment replacement, denture relining, or denture repair Repair of prosthetic materials, screw replacement, or professional removal by the dentist Repair of prosthetic materials, screw replacement, or professional removal by the dentist
Cost Generally lower than a fixed full-arch restoration Higher than an Implant Overdenture Generally higher due to the greater number of implants
Suitable For Patients who want a more stable removable denture that can be removed for cleaning Patients who want a fixed full-arch restoration supported by four dental implants Patients who want a fixed full-arch restoration and have suitable bone conditions for six dental implants

Which Is Better: All-on-4 or All-on-6?

There is no single answer as to whether All-on-4 or All-on-6 is the best option for every patient.

The number of dental implants is only one aspect of treatment. The most important factor is placing the implants in positions that are appropriate for the patient’s bone anatomy, occlusion, and the prosthesis being planned.

The dentist will consider factors including:

Bone Quantity and Quality

The available bone must be evaluated to determine how many implants can be placed and whether each implant position can adequately support functional forces.

Nerve and Maxillary Sinus Position

These important anatomical structures influence the size, length, angulation, and placement of the dental implants.

Jaw Shape and Size

Differences in jaw size and curvature require different implant distribution patterns.

Chewing Forces

Patients who grind their teeth or generate high chewing forces require appropriate prosthetic design and material selection.

Upper and Lower Jaws

Bone quality differs between the upper and lower jaws; therefore, the same implant configuration should not be applied to every patient.

Space for the Prosthesis

Adequate space is required for:

  • Dental implants
  • Abutments
  • The prosthetic framework
  • Prosthetic teeth
  • Artificial gingiva
  • Access for oral hygiene

Ability to Maintain Oral Hygiene

The number and position of the implants should facilitate effective cleaning rather than simply maximizing the number of implants without considering long-term maintenance.

Budget and Patient Expectations

Patients should receive complete information regarding:

  • Surgical fees
  • Implant costs
  • Temporary prosthesis fees
  • Definitive prosthesis fees
  • Bone grafting fees
  • Long-term maintenance costs
  • Future component replacement costs

Having six dental implants does not guarantee a better outcome than four implants, and four dental implants are not suitable for every patient. The most appropriate treatment depends on each individual’s oral condition, functional requirements, and long-term treatment plan.

What Is the Difference Between a Temporary Prosthesis and a Definitive Prosthesis?

Temporary Prosthesis

A temporary prosthesis is used while the surgical site and dental implants are healing.

It allows both the dentist and the patient to evaluate:

  • Tooth shape
  • Tooth length
  • Smile line
  • Lip support
  • Speech
  • Occlusion
  • Ease of cleaning
  • Overall satisfaction

A temporary prosthesis may be less durable than a definitive prosthesis. Patients must avoid hard foods and follow the dentist’s instructions carefully.

Definitive Prosthesis

A definitive prosthesis is made after the dental implants and surrounding tissues have become more stable.

Its design is developed based on information gathered during the use of the temporary prosthesis, such as:

  • Appropriate tooth shape
  • Smile line
  • Speech
  • Occlusion
  • Space for cleaning
  • Aesthetic preferences

The term “definitive prosthesis” does not mean that the restoration will never wear, fracture, or require repair.

The prosthesis still requires regular examination and maintenance and may need to be replaced after many years of use.

Materials Used for Fixed Full-Arch Prostheses

Fixed full-arch prostheses can be made from various materials, such as:

  • A metal or titanium framework combined with prosthetic tooth materials
  • Reinforced acrylic or resin
  • Ceramic
  • Zirconia
  • A combination of different materials

Each material differs in terms of:

  • Strength
  • Weight
  • Aesthetics
  • Wear
  • Repairability
  • Space requirements
  • Cost
  • Sensation during use

The dentist will consider chewing forces, implant positions, interarch space, occlusion, aesthetic preferences, and budget.

No single material is suitable for every patient.

Care of All-on-4 and All-on-6 Prostheses

Although prosthetic teeth do not develop cavities like natural teeth, plaque can accumulate around the dental implants and beneath the prosthesis.

If oral hygiene is inadequate, inflammation of the gums or bone loss around the dental implants may occur.

Daily Cleaning

  • Brush along the junction between the prosthesis and the gums.
  • Clean beneath the bridge every day.
  • Use appropriately sized interdental brushes.
  • Use bridge floss or floss with a stiffened end to pass beneath the prosthesis.
  • Use a floss threader as recommended.
  • Use a water flosser as an additional cleaning aid.
  • Do not use a water flosser as a replacement for brushing and all other cleaning methods.
  • Clean the tongue and oral soft tissues.
  • Check for bleeding, odour, or swelling around the dental implants.

Habits to Avoid

  • Biting ice
  • Biting bones
  • Biting very hard foods
  • Using the teeth to open packaging
  • Chewing hard foods while using a temporary prosthesis
  • Smoking
  • Leaving loose components unchecked
  • Using sharp objects to clean beneath the prosthesis
  • Neglecting follow-up appointments

Follow-Up Examinations

The dentist will evaluate:

  • Gum health
  • Bone around the dental implants
  • Plaque and tartar accumulation
  • Screw stability
  • Wear of the prosthetic teeth
  • Chipping or cracking
  • Occlusion
  • Cleanliness beneath the prosthesis
  • Bruxism
  • Whether the prosthesis needs to be removed for repair or professional cleaning

The frequency of follow-up appointments depends on each patient’s risk level and oral condition.

Possible Complications

Dental implant treatment has a high success rate in suitable patients, but there are still risks and possible complications that patients should be aware of.

Surgical and Early Complications

  • Pain
  • Swelling
  • Bruising
  • Bleeding or oozing
  • Delayed wound healing
  • Infection
  • Failure of the implant to integrate with the bone
  • Numbness caused by nerve involvement
  • Involvement of the maxillary sinus
  • Fracture of the temporary prosthesis
  • Loosening of screws or components

Long-Term Complications

  • Inflammation of the gums around the dental implants
  • Bone loss around the dental implants
  • Screw loosening
  • Screw fracture
  • Tooth wear
  • Chipping or fracture of restorative materials
  • Damage to the prosthetic framework
  • Food accumulation beneath the prosthesis
  • Changes in occlusion
  • Changes in speech
  • The need for repair or fabrication of a new prosthesis
  • Loss of implant stability

When problems are detected at an early stage, they are often easier to manage than when left untreated until symptoms become severe.

Patients Requiring Special Assessment

Patients with the following conditions should receive a thorough evaluation before undergoing dental implant treatment:

  • Poorly controlled diabetes
  • Untreated gum disease
  • Smoking
  • Use of nicotine products
  • Conditions that affect wound healing
  • Immune system disorders
  • Use of medications that affect bone
  • Use of medications that affect blood clotting
  • A history of radiation therapy to the head and neck
  • Bruxism
  • High chewing forces
  • Inability to maintain adequate oral hygiene
  • Expectations that do not correspond with the limitations of treatment
  • Incomplete jaw growth

The presence of these factors does not necessarily mean that dental implant treatment cannot be performed, but the risks must be carefully assessed and the treatment planned appropriately.

Which Should You Choose: Implant Overdenture, All-on-4, or All-on-6?

Implant Overdenture May Be Suitable When:

  • Greater denture stability is desired.
  • A removable denture is acceptable.
  • The patient wants to remove the denture for cleaning.
  • The denture base is needed to provide lip support.
  • There has been significant loss of soft tissue or alveolar ridge.
  • Fewer dental implants are preferred compared with fixed full-arch treatment in many cases.
  • A treatment option that allows denture relining and attachment replacement is preferred.

All-on-4 May Be Suitable When:

  • A fixed prosthesis is desired.
  • The bone condition is suitable for four dental implants.
  • The patient is able to clean beneath the prosthesis.
  • The patient understands the limitations of using four dental implants.
  • The patient accepts that immediate temporary fixed teeth may not always be possible.
  • The patient accepts the need for long-term maintenance.

All-on-6 May Be Suitable When:

  • A fixed prosthesis is desired.
  • The bone quantity and position are suitable for six dental implants.
  • Additional support points are required according to the treatment plan.
  • Chewing forces or occlusion require additional planning.
  • The patient is able to maintain hygiene around multiple implant sites.
  • The patient accepts the possibility of additional procedures and higher costs.

The choice of treatment should not begin with the question, “Which option is the best?”

It should begin with the question:

“Which option is most appropriate for this patient’s oral condition, functional needs, preferences, and long-term maintenance requirements?”

Full-Arch Treatment Planning at Veneerist Dental Clinic

At Veneerist Dental Clinic, we place importance on a systematic assessment before planning full-arch rehabilitation.

The dentist will consider:

  • Oral health
  • Remaining teeth
  • Bone quantity and quality
  • Gum health
  • Occlusion
  • Facial shape
  • Smile line
  • Lip support
  • Ability to maintain oral hygiene
  • Overall health
  • The patient’s needs and budget

For denture and full-arch cases, the clinic takes photographs of every patient to support collaborative treatment planning between the dentist and the dental laboratory.

Panoramic X-rays, three-dimensional X-rays, dental impressions, intraoral scans, and bite registrations may also be used when appropriate.

All information is analyzed together to determine implant positions and design the new prosthesis in a way that supports function, aesthetics, and long-term maintenance.

There is no single number of dental implants or one type of prosthesis that is suitable for every patient. Before treatment begins, the dentist will explain the available options, advantages, limitations, procedures, treatment duration, and costs so that the patient has sufficient information to make a decision.

Treatment outcomes and treatment duration vary depending on the patient’s oral condition, bone volume, overall health, response to treatment, and personal care.

How Long Do Dental Implants Last, and How Can They Be Maintained for Long-Term Use?

Dental implants are widely recognised as a long-lasting method of tooth replacement. With appropriate treatment planning, consistent oral hygiene, and regular follow-up appointments with the dentist, dental implants can last for many decades and, in some patients, may remain functional for a lifetime.

However, the lifespan of dental implants does not depend solely on the implant itself. It is influenced by several factors working together.

Factors That Help Dental Implants Last Longer

  • Appropriate treatment planning
  • Adequate jawbone quantity and quality
  • Healthy gums and oral tissues before treatment
  • Consistent oral hygiene
  • Avoiding smoking
  • Regular follow-up examinations with the dentist

Although dental implants do not develop cavities like natural teeth, the gums and bone surrounding them can still become inflamed if plaque accumulates.

Therefore, brushing, using dental floss or interdental cleaning aids, and attending oral health examinations every six months are important parts of helping dental implants remain functional for as long as possible.

Dental Implant Fees & Treatment Costs

Our upfront pricing reflects our commitment to utilizing premium certified systems, state-of-the-art diagnostics, and elite laboratory engineering:

Treatment Specification Investment Fee (THB)
Complete Diagnostic Package (1-Sided Surgical Stent Included) 5,000.-
Complete Diagnostic Package (2-Sided Surgical Stent Included) 7,000.-
Complete Premium Implant + Ceramic Crown Package (Single upfront payment) 45,000.-
Titanium Implant Body / Fixture Base 25,000.-
Custom Prosthetic Crown over Implant 25,000.-
Advanced Bone Grafting with Crestal Sinus Floor Elevation 20,000.-
Advanced Bone Grafting with Lateral Window Sinus Lift 40,000.-
Implant Body for Overdenture Stabilization (Per Unit) 35,000.-
Standard Prophylactic Bone Graft Augmentation 5,000 - 10,000.-
Advanced Periodontal Soft-Tissue & Hard-Tissue Plastic Surgery 8,000 - 20,000.-
Anterior Implant + Ceramic Anterior crown (one time payment) 55,000
Anterior Implant 30,000
Ceramic Anterior crown 30,000
Posterior Implant + Ceramic Posterior crown (one time payment) 45,000
Posterior Implant 25,000
Ceramic Posterior crown 25,000
Straumann® Implant + Ceramic crown (one time payment) 75,000
Straumann® Implant 40,000
Ceramic Crown on Straumann® Implant 40,000
Bone graft (small vial) 10,000
Overdenture on 4 (per arch) 175,000
All-on-4 (per arch) 400,000
All-on-6 (per arch) 500,000

Why Choose Veneerist Dental Clinic for Dental Implants?

  • Experienced Implant Team: Every case is directly managed by skilled dental professionals specializing in advanced implant dentistry and oral maxillo-facial surgery.

  • Modern Sterilization Standards: Our boutique clinic enforces strict Class-B medical autoclave sterilization workflows, ensuring a 100% sterile clinical field for every procedure.

  • Quality Implant Materials: We source exclusively authentic, FDA-approved titanium implants and premium zirconia or ceramic crowns to ensure exceptional long-term biocompatibility.

  • Transparent Treatment Planning: Complete fees and treatment plans are disclosed and locked before your procedure, eliminating hidden fees or surprise surcharges.

FAQ

Frequently Asked Questions (FAQ)

Is the dental implant procedure painful or intimidating?

The procedure is far more comfortable than most patients anticipate. The clinical experience is very similar to a routine tooth extraction because we utilize advanced, high-efficiency local anesthesia. Once the numbing effect subsides, you may feel a mild, dull tension or minor swelling, which can be easily managed with mild over-the-counter analgesics provided by our clinic.

Can elderly patients safely undergo dental implant treatment?

Absolutely. There is no upper age limit for implant placement, provided the patient is over 18 years old. The key clinical factors are having sufficient bone density and ensuring that any pre-existing systemic conditions (such as diabetes or hypertension) are properly managed and stable before scheduling your appointment.

Can dental implants still be placed if the teeth have been missing for many years?

In many cases, yes. Even if the teeth have been missing for several years, the dentist must first evaluate the condition of the jawbone because, without tooth roots, the bone in that area may gradually resorb over time.
The dentist will assess the area through an oral examination together with radiographic imaging, such as a 3D CT Scan, to evaluate the quantity and quality of the bone. If there is sufficient bone, dental implant placement can be planned. If the bone is insufficient, bone grafting or a sinus lift may be considered in some cases to prepare the area before treatment.
An assessment by a dentist is therefore an important step in determining the most appropriate treatment approach for each patient’s individual oral condition.

Can I still receive an implant if I have bone loss from long-term missing teeth or orthodontic history?

Yes, If our 3D CBCT diagnostic imaging reveals that your alveolar bone has resorbed or thinned over time, additional procedures such as bone grafting may be recommended or a Sinus Lift (for the upper posterior arch). These treatments help create sufficient bone support to support successful implant placement, with all steps thoroughly discussed during your initial consultation.

Meet Our Elite Team of Highly Experienced Specialists

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Dr.Cath

Dr. Watinee Amphawa, D.D.S. (License No. 9350)

Orthodontic Specialist & Smile Design Expert

  • Over 10 years of clinical experience in orthodontics and smile design.

  • Incorporates international dental innovations with a strict sterilization and patient safety standards.

  • Ranked #1 Highest National Entrance Examination Score for the Faculty of Dentistry at Chulalongkorn University.

  • Master of Orthodontics and Dentofacial Orthopedics (Dalian Medical University) and Certified Member of the German Society of Oral Implantology (DGOI).