Dental implants are replacement tooth roots that are surgically placed in the jawbone and used to support a crown, bridge or denture. Unlike a conventional bridge, an implant can replace the root of a missing tooth without requiring the neighboring teeth to be prepared as anchors. Implants can be used to replace one tooth, several teeth, or to stabilize a removable denture.
Dental implants can provide a stable, natural-looking way to replace missing teeth, but they are not simply a cosmetic procedure. Treatment involves surgery, healing, restorative dentistry and long-term maintenance. Whether an implant is appropriate depends on the health of your mouth, the amount and quality of bone, your general health, smoking or tobacco use, your bite and your ability to maintain the implant and surrounding tissues.
Dr. Kostrzewski has more than two decades of experience in dentistry and reviews the dental information published by ACE Dental Resource.
What Is a Dental Implant?
A dental implant is an artificial tooth root, usually made from titanium or another biocompatible material. It is placed into the jawbone and allowed to integrate with the surrounding bone. A replacement tooth or teeth are then attached to the implant through an abutment or implant-supported connection.
A single missing tooth is commonly replaced with an implant-supported crown. Multiple missing teeth may be restored with an implant-supported bridge, while implants can also be used to improve the retention and stability of removable dentures. The American Dental Association’s patient resource explains the same basic three-phase concept: implant placement, healing and osseointegration, followed by attachment of the replacement teeth. [1]
What Problems Can Dental Implants Solve?
| Situation | How implants may be used |
|---|---|
| One missing tooth | An implant can support an individual crown without using neighboring teeth as a bridge support. |
| Several missing teeth | Multiple implants can support individual crowns or an implant-supported bridge. |
| Most or all teeth missing | Implants may support a removable overdenture or a fixed full-arch restoration, depending on the treatment plan. |
| Loose removable dentures | Implants can provide attachment points that improve denture retention and stability. |
| Tooth loss with jawbone changes | Bone volume is evaluated during planning; grafting or other procedures may sometimes be needed before or during implant treatment. |
Why Do People Choose Dental Implants?
Implants are one option among several ways to replace missing teeth. Potential advantages include stability, the ability to replace a missing tooth without preparing adjacent healthy teeth for a conventional bridge, and the ability to support fixed or removable replacement teeth. Implant-supported restorations can also help restore chewing and speech function.
Implants are not automatically the best choice for everyone. They require surgery, a period of healing, ongoing cleaning and maintenance, and usually a greater initial financial investment than some removable options. A decision should consider both the advantages and the alternatives.
Dental Implants vs. Bridges vs. Dentures
| Option | How it is supported | Potential advantages | Important considerations |
|---|---|---|---|
| Dental implant | Implant anchored in the jawbone | Can replace a tooth root and support a crown, bridge or denture | Surgery, healing time and long-term maintenance are required |
| Fixed bridge | Usually supported by neighboring teeth or implants | Can replace one or more missing teeth without implant surgery when tooth-supported | Conventional bridges generally require preparation of supporting teeth |
| Removable partial denture | Rests on and around remaining teeth and oral tissues | Can replace several missing teeth and is removable for cleaning | May feel less stable than a fixed restoration |
| Complete denture | Rests on oral tissues; may be implant-supported | Can replace all teeth in an arch | Retention and comfort vary; implant support is a separate treatment option |
Our guides to dentures and dental crowns provide more detail about those alternatives.
Who Is a Candidate for Dental Implants?
There is no single age or medical checklist that determines candidacy. The more important questions are whether the mouth is healthy enough for treatment, whether there is adequate bone or a realistic way to create a suitable implant site, whether the patient can undergo surgery safely, and whether the person can maintain the implant over the long term.
Before implant treatment, a dentist or implant team will typically evaluate:
- the teeth and gums surrounding the proposed implant site;
- the amount and shape of available jawbone;
- your bite and the forces that will act on the restoration;
- smoking or other tobacco use;
- medical conditions and medications that may affect healing or surgery;
- oral hygiene and your ability to maintain the implant;
- the condition of any remaining teeth; and
- your expectations, treatment preferences and ability to attend follow-up appointments.
Age by itself is not the main issue. Implants are generally considered after jaw growth is complete, while older adults may still be candidates when their oral and general health permit treatment. The American Dental Association notes that general health can be more important than age when considering implant treatment. [1]
Can You Get Dental Implants If You Have Gum Disease?
Active periodontal disease should be addressed before implant placement. A history of periodontitis does not automatically rule out implants, but it is an important risk factor for implant complications and loss.
A 2024 systematic review and meta-analysis found that people with a history of periodontitis had higher risks of implant loss, marginal bone loss and peri-implantitis than people without that history. The authors also noted limitations in the available evidence and differences between studies. [2] Another 2024 meta-analysis reached a similar overall conclusion regarding the impact of previous periodontitis on implant health. [3]
This makes periodontal maintenance particularly important before and after implant treatment.
What About Diabetes, Smoking and Other Health Conditions?
Medical conditions do not automatically make implants impossible, but some can affect healing or the risk of complications. Diabetes, for example, needs to be appropriately managed. Tobacco use is another important consideration because it can interfere with healing and is associated with poorer implant outcomes.
A 2024 umbrella review identified periodontitis and smoking as particularly well-supported risk factors for peri-implantitis, while other proposed risk factors require more evidence. [4]
Your dentist should review your medical history and medications rather than relying on a simple list of conditions that supposedly makes someone “eligible” or “ineligible.”
How Dental Implant Treatment Works
Implant treatment is usually planned in stages. The exact sequence varies according to the number and location of missing teeth, bone volume, the planned restoration and whether additional procedures are required.
1. Examination and treatment planning
Your dentist examines your mouth, remaining teeth and gums and discusses the desired result. Dental imaging is used to evaluate the implant site. A three-dimensional scan such as cone-beam CT may be appropriate when the position of nerves, sinuses, roots or available bone needs more detailed assessment. [5]
2. Treating existing dental problems
Active infection, untreated decay or uncontrolled gum disease may need to be managed before implant surgery. The goal is to establish a healthy foundation for treatment.
3. Bone grafting when necessary
If there is not enough bone in the planned implant area, bone augmentation may sometimes be recommended. This can add complexity and healing time. The need for grafting depends on the location, amount of bone available and the planned implant and restoration. [6]
4. Implant placement
Under local anesthesia or another appropriate form of anesthesia, the implant is placed into the jawbone. Depending on the case, the implant may be left covered by gum tissue while it heals or may be connected to a healing component during the initial surgery.
5. Osseointegration and healing
Osseointegration is the process in which bone integrates with the implant surface. Healing time varies. Several months may be needed before the implant is ready to receive its final restoration, although some treatment plans allow earlier loading. The timeline depends on implant stability, bone quality, grafting and the overall treatment plan. [1]
6. Abutment and replacement tooth
After appropriate healing, an abutment or other connection is used to support the replacement tooth. For a single missing tooth, this is commonly a custom crown. Multiple implants can support a bridge or denture depending on the plan.
How Long Does Dental Implant Treatment Take?
There is no single treatment time that applies to everyone. Straightforward cases may progress relatively quickly, while bone grafting, sinus augmentation, staged surgery, healing requirements or complex full-arch treatment can extend the process.
A hospital patient guide notes that implant healing commonly takes around three to six months, but the overall treatment can take longer when grafting or staged procedures are necessary. [7]
| Stage | What happens | Why timing varies |
|---|---|---|
| Assessment | Examination, imaging and treatment planning | Complexity and number of teeth |
| Preparation | Decay, gum disease or infection may be treated | Existing dental problems |
| Bone augmentation | Bone may be added when needed | Bone deficiency and graft type |
| Implant surgery | Implant is placed in the jaw | Number and location of implants |
| Healing | Bone integrates with the implant | Bone quality, stability and grafting |
| Restoration | Crown, bridge or denture is attached | Type and complexity of final restoration |
Does Dental Implant Surgery Hurt?
Implant placement is normally performed with local anesthesia so the surgical area is numb. After surgery, soreness, swelling or minor bleeding can occur. Your clinician will give you specific instructions for pain control, eating, cleaning and activity.
As with any surgery, dental implant placement has potential complications. Depending on the location and procedure, these can include infection, damage to nearby structures, nerve-related symptoms, sinus complications, bleeding and failure of the implant to integrate. The risk varies with the individual case. A current NHS patient guide, for example, explains that lower-jaw implants can occasionally affect nearby nerves and cause altered sensation. [8]
What Is Implant Failure?
Implant failure can occur for different reasons and at different stages. An implant may fail to integrate with bone, or an implant that initially functions well may later develop biological or mechanical complications.
Biological problems include inflammation around the implant. Peri-implant mucositis involves inflammation of the soft tissue around an implant, while peri-implantitis involves inflammation associated with loss of supporting bone. Mechanical complications can involve components of the implant-supported restoration.
Good oral hygiene and regular professional maintenance are important because peri-implant disease can threaten long-term implant health. Research also identifies periodontitis and smoking as important risk factors. [4]
How Successful Are Dental Implants?
Dental implants have high long-term survival in many well-selected cases, but “success rate” is not a single number that applies to every patient, implant system or follow-up period. Studies use different definitions of survival and success, and outcomes vary with patient health, implant location, restoration, smoking, periodontal history, maintenance and other factors.
For that reason, we do not recommend promising that an implant will last a particular number of years for every patient. A 2024 systematic review found a meaningful increase in implant-loss risk among patients with a history of periodontitis, illustrating how individual risk factors can change long-term outcomes. [2]
How Long Do Dental Implants Last?
The implant itself and the visible crown, bridge or denture are not necessarily expected to have the same lifespan. The implant may remain functional for many years, while the prosthetic tooth or components can experience wear and may eventually need repair, refurbishment or replacement.
Long-term maintenance therefore matters. Regular examinations allow your dentist to monitor the implant, surrounding tissues, bite and restoration rather than waiting until a problem becomes obvious.
How to Care for Dental Implants
- Brush the implant-supported restoration and remaining natural teeth every day.
- Clean between teeth and around the implant using the method recommended by your dental team.
- Attend regular dental and implant-maintenance appointments.
- Do not ignore bleeding, swelling, pus, persistent discomfort or a change in implant stability.
- Avoid smoking or tobacco use because it can increase the risk of implant complications.
- Address grinding or clenching if your dentist identifies excessive loading.
Implants are not maintenance-free. Hospital guidance specifically emphasizes long-term cleaning and follow-up because mucositis and peri-implantitis can develop around implants. [7]
Dental Implant Cost
Dental implant costs vary substantially by country, location, number of implants, implant system, surgeon or dentist, laboratory work, type of restoration and whether additional procedures such as bone grafting are required.
It is therefore misleading to quote one universal “cost of a dental implant.” Ask whether a quoted price includes the implant, surgical placement, abutment, crown or other restoration, imaging, temporary teeth, bone grafting and follow-up care.
| Possible cost component | Why it may be needed |
|---|---|
| Consultation and imaging | Used to assess the site and plan treatment. |
| Implant surgery | Places the implant into the jawbone. |
| Bone grafting | May be needed when there is insufficient bone. |
| Abutment or connection | Connects the implant to the restoration in many treatment designs. |
| Crown, bridge or denture | Provides the visible replacement tooth or teeth. |
| Maintenance and repairs | Long-term care may include professional maintenance and restoration/component replacement. |
For broader dental pricing context, see our dental prices information. For people considering dentures instead, see our dentures guide.
What Are Mini Dental Implants?
Mini dental implants are narrower implants used in selected situations. They are not simply a cheaper version of a conventional implant and should not be presented as universally interchangeable with standard implants.
They may be used in particular denture-stabilization or other clinical situations, but suitability depends on anatomy, forces, the intended restoration and the dentist’s treatment plan. Our dedicated mini dental implants guide covers this topic separately.
Questions to Ask Before Choosing Dental Implants
| Question | Why it matters |
|---|---|
| What is the best way to replace my missing tooth or teeth? | Implants are one option; bridges and dentures may also be appropriate. |
| Do I have active gum disease or infection? | Existing disease should be treated and controlled before implant treatment. |
| Do I have enough bone? | Bone volume affects implant position and may determine whether grafting is needed. |
| Will I need a bone graft or sinus procedure? | Additional surgery can change the cost, risk and treatment timeline. |
| What type of restoration will the implant support? | A crown, bridge and overdenture have different designs and maintenance needs. |
| What are my individual risk factors? | Smoking, periodontal history, medical conditions and bite forces can affect outcomes. |
| How long will the entire process take? | Healing and staged procedures can make treatment much longer than the surgery itself. |
| What is included in the total price? | Implant quotes may not include every surgical and restorative component. |
| What maintenance will I need after treatment? | Implants require ongoing professional and home care. |
Bottom Line
Dental implants can provide a stable way to replace missing teeth and can support crowns, bridges or dentures. Their main advantage is that an implant replaces the root portion of a missing tooth and can avoid preparing neighboring teeth for a conventional tooth-supported bridge.
But implants are not a quick cosmetic fix or a maintenance-free replacement. Treatment involves surgery and healing, and long-term results depend on the health of the mouth, bone and gums, patient risk factors, implant and restoration design, oral hygiene and regular professional care.
If you are considering an implant, compare it with bridges and dentures, understand whether you need bone augmentation or other preparation, and ask your dentist to explain the complete treatment plan and long-term maintenance requirements.
Research and Sources
- American Dental Association, MouthHealthy. Implants. MouthHealthy.
- Effectiveness of Implant Therapy in Patients With and Without a History of Periodontitis: A Systematic Review With Meta-Analysis of Prospective Cohort Studies. Journal of Periodontal Research. 2024. PubMed.
- Marty L, et al. Implant Health in Treated Periodontitis Patients: A Systematic Review and Meta-Analysis. Dental Journal. 2024. PubMed.
- Koay CG, Veettil SK, Menon RK. Risk factors for Peri-implantitis: An umbrella review of meta-analyses of observational studies and assessment of biases. Journal of Dentistry. 2024. PubMed.
- Leeds Teaching Hospitals NHS Trust. Dental Implants. Patient information. NHS.
- Cambridge University Hospitals NHS Foundation Trust. Bone grafting for dental implants. NHS.
- Cambridge University Hospitals NHS Foundation Trust. Dental implants in restorative dentistry. NHS.
- Cambridge University Hospitals NHS Foundation Trust. Insertion of dental implants. Approved July 18, 2025. NHS.
Editorial note: Dental implant treatment is individualized. This article is educational and does not replace an examination, diagnosis or treatment plan from a licensed dental professional.