All-on-6 vs All-on-4 in Turkey: Costs, Differences and How Dentists Decide

If you are comparing All-on-4 and All-on-6 in Turkey, the most important point is simple: six implants are not automatically better than four, and four implants are not automatically the more conservative choice. The right number depends on the condition of any remaining teeth, your bone anatomy, the final bridge design, bite forces, hygiene access, maintenance needs, and the way the implants can be distributed in your jaw.

For patients comparing cost, the difference starts with two additional implant fixtures. At Dr. Furkan Küçük Dental Clinic, the current base implant-fixture prices are:

These are base prices before discounts and special offers. They represent the implant-fixture line only, not a complete All-on-4 or All-on-6 package. Your final price depends on the individual treatment plan. It may also include abutments or multi-unit components, temporary teeth, the definitive bridge, imaging, extractions, grafting or sinus procedures, anesthesia or sedation, laboratory stages, medication, and follow-up.

The calculator provides an estimate only; it is not a diagnosis, treatment plan, final quote, or guaranteed price.

The useful question is therefore not simply “Which system has more implants?” It is “Why does my specific jaw and final prosthesis need four or six?”

All-on-4 vs All-on-6 at a Glance

All-on-4 uses four implants to support a fixed full-arch prosthesis. In suitable cases, posterior implants may be angled to improve implant distribution while working around anatomical limitations. It can be a sound full-arch design, but it does not mean that every patient can avoid grafting or receive fixed teeth immediately.

All-on-6 uses six implants to support a full-arch prosthesis. In some cases, extra implant positions may offer additional restorative options or redundancy, provided there is suitable bone and enough space to place them in useful positions. The number six by itself does not guarantee better survival, fewer complications, or a longer-lasting bridge.

Both approaches require the same fundamental questions: Is full-arch extraction actually necessary? Is there enough usable bone? What will the final bridge look like? Can it be cleaned? How will bite forces be managed? What happens if an implant or prosthetic component develops a problem later?

What All-on-4 and All-on-6 Actually Mean

The names describe how many implants support a full-arch fixed restoration. They do not describe the entire treatment.

A complete full-arch plan includes the implants, the connection components, the temporary restoration (when used), the final bridge, the relationship between the upper and lower jaws, the available restorative space, the bite, aesthetics, and long-term cleanability.

This is why two people can both be offered “All-on-4” and still have very different treatment plans. One may need extractions and bone management. Another may already be fully edentulous. One may be suitable for an immediately loaded fixed provisional bridge. Another may need a delayed loading approach.

The same applies to All-on-6. Adding two implants changes the surgical and prosthetic design, but it does not remove the need for individualized planning.

Is All-on-6 Better Than All-on-4?

Current evidence does not support a simple rule that All-on-6 is clinically superior for everyone.

A 2026 systematic review and meta-analysis comparing All-on-4 and All-on-6 found broadly similar implant survival and complication outcomes. The authors also cautioned that the available studies were highly heterogeneous, which limits strong superiority claims.

This fits a broader principle in full-arch implant dentistry: the final prosthetic plan should help determine the surgical plan. Implant count is only one variable. Implant position, front-to-back distribution, bone quality and volume, prosthesis material, cantilever length, opposing teeth, bite forces, hygiene access, and patient risk factors can all matter.

Four appropriately distributed implants are an evidence-supported minimum for a one-piece full-arch fixed prosthesis in selected cases. More implants can create different restorative possibilities, including additional support or options for segmentation, but “more” is not always “better” in every jaw.

A useful treatment plan should therefore explain the reason for the chosen number rather than selling the number itself.

Why a Dentist May Choose Four Implants

A four-implant design may be considered when four implants can be placed in useful positions with appropriate distribution and stability for the planned prosthesis.

In some jaws, angling posterior implants can help avoid anatomical structures and increase the usable front-to-back spread without placing implants farther back. This can reduce the need for more invasive augmentation, although it cannot guarantee that grafting will be unnecessary.

Four implants also mean a lower implant-fixture line than six implants of the same system. But cost should not force a four-implant plan when the prosthetic or anatomical situation supports another design.

The main question is whether those four implants can support the intended bridge in a way that manages the bite, keeps cantilever forces under control, and remains cleanable and maintainable over time.

Why a Dentist May Choose Six Implants

A six-implant design may be considered when the anatomy allows six useful implant positions and the final prosthesis benefits from the additional support or restorative flexibility.

For example, additional implants can sometimes provide options for prosthetic segmentation or contingency planning if a future implant complication occurs. They may also allow a different distribution of support where the available bone and restorative design make that useful.

But two extra implants are not automatically valuable just because they can physically be placed. An implant positioned only to reach a target number may add surgery, cost, and cleaning complexity without improving the overall prosthetic design.

Six implants may also require access to bone in areas where anatomy is less favorable. In the upper jaw, the sinus and posterior bone volume can affect whether additional posterior implant positions are practical without grafting or a change in strategy.

The reason for six should be visible in the treatment plan.

Bone, Grafting and the Sinus

Bone anatomy is one of the biggest reasons the same full-arch solution does not fit everyone.

Three-dimensional imaging is commonly used to assess bone volume, anatomical structures, and potential implant positions before confirming the final plan. In the upper jaw, the maxillary sinus can limit posterior implant placement. In either jaw, previous tooth loss, infection, and long-term denture use may cause substantial bone loss.

All-on-4 is sometimes marketed as a way to avoid bone grafting. The design can reduce the need for posterior augmentation in some patients, particularly when implant angulation allows usable bone to be engaged more anteriorly. But graft avoidance is not guaranteed.

All-on-6 can also be performed without grafting in suitable anatomy. In other cases, attempting to obtain a wider implant distribution may make bone augmentation or sinus treatment more relevant.

The correct sequence is to evaluate the prosthetic goal and anatomy first, then decide whether four implants, six implants, grafting, a staged procedure, or another treatment approach makes sense.

Can You Get Fixed Teeth on the Same Day?

Sometimes, but you shouldn't promise this before surgery.

Immediate loading means attaching a restoration soon after implant placement. For a full-arch case, a fixed provisional bridge may be possible when the implants achieve suitable primary stability and the bone, bite, and prosthetic conditions support the protocol.

That provisional bridge is not the same as the definitive bridge. The implants still need time to heal and integrate with the surrounding bone. The provisional restoration also needs protection from excessive forces during healing.

If adequate stability is not achieved, or if bone grafting, sinus procedures, or other clinical factors change the risk, the loading plan may need to change. A removable temporary restoration or a delayed fixed restoration may be safer in some cases.

The number of implants alone does not guarantee same-day fixed teeth. Six unstable implants do not create a predictable immediate-loading case, and four well-planned implants should not be described as an automatic same-day solution either.

Do Not Let the Implant Count Decide Which Teeth to Remove

All-on-4 and All-on-6 are full-arch rehabilitation concepts. That does not mean you should extract every remaining tooth just because a package is convenient.

Before irreversible treatment, each remaining tooth should have a prognosis. The dentist should consider whether teeth are maintainable, whether periodontal or restorative treatment could preserve useful teeth, and whether another design could meet the patient’s goals without full-arch extraction.

A travel schedule should not decide this question. Neither should a desire to make both jaws symmetrical.

Sometimes a failing dentition genuinely has a poor long-term prognosis and full-arch treatment is reasonable. The important point is that extraction should follow diagnosis and informed consent, not the marketing label “All-on-4” or “All-on-6.”

Individual results may vary.

Risks and Complications

Both approaches involve dental implant surgery and a large fixed prosthesis. Complications can occur even with careful planning.

Possible surgical and biological problems include infection, poor healing, implant failure to integrate, later implant loss, peri-implant inflammation or bone loss, injury to surrounding structures, sinus-related complications in the upper jaw, and difficulty maintaining healthy tissues around a poorly cleanable prosthesis.

Possible mechanical and prosthetic problems include screw loosening, chipping or fracture of prosthetic teeth or materials, framework or bridge damage, bite-related wear and the need for adjustments or repairs.

Risk is not determined only by whether four or six implants are used. Smoking can impair healing and long-term implant outcomes. A history of periodontitis can increase maintenance demands and peri-implant risk. Diabetes control can affect healing and complication risk. Bruxism or high bite forces can increase mechanical stress.

These factors do not create a universal yes-or-no rule for every patient. They change the risk assessment, treatment design, and maintenance plan.

The final bridge also matters. A bridge that is difficult to clean or poorly designed for the bite can create problems even when every implant remains integrated. Implant survival should therefore not be confused with lifetime, complication-free prosthetic function.

Treatment Stages and Travel Planning

For an international patient, the treatment schedule should follow the case's biology rather than a holiday itinerary.

A typical pathway may include:

1. Preliminary remote review. Photos, scans, or previous records can help with early discussion, but a remote quote remains provisional.
2. In-person examination and imaging. The final diagnosis, tooth prognosis, bone assessment, bite, and prosthetic plan are confirmed.
3. Surgery. Extractions, implant placement, and any required bone or soft-tissue procedures are performed as planned.
4. Temporary restoration. A fixed provisional may be fitted when immediate loading is clinically suitable. Otherwise, another temporary approach may be needed.
5. Healing. Osseointegration takes time. The exact period varies with the patient, jaw, surgery, and loading protocol.
6. Definitive prosthetic stage. Records are taken for the final bridge, followed by try-in, bite and aesthetic checks, delivery and later maintenance.

Some patients need more than one trip. Some need additional visits because healing, grafting, implant stability, or prosthetic adjustments change the timeline. It is safer to plan travel around clinical milestones than to promise a universal number of days.

Before returning home, ask for copies of relevant records, implant brand and model information, component details, imaging where appropriate, medication information, and clear aftercare contacts.

If you develop severe or worsening pain, facial swelling, fever, persistent bleeding, trauma to the restoration, or difficulty breathing or swallowing after returning home, seek prompt local in-person care rather than relying only on remote messages.

Cleaning, Maintenance and Long-Term Repairs

A fixed full-arch bridge still needs daily cleaning.

The prosthesis should be designed with enough access for you to clean around and underneath it using the methods recommended by your dental team. Professional maintenance appointments are also important for checking the tissues, implants, prosthetic screws, bite, and restoration.

This is especially relevant when comparing four- and six-implant restorations. Additional implants create additional sites that must remain accessible for hygiene. The goal is not to fit the highest possible number of implants; it is to create a maintainable prosthesis supported by a suitable implant distribution.

Long-term care may include professional cleaning, bite adjustments, replacement of worn prosthetic components, screw replacement, repair of chipped material or, eventually, replacement of the bridge.

If you live outside Turkey, ask who will handle these needs and what information a dentist at home would need to service the system.

How to Compare All-on-4 and All-on-6 Quotes in Turkey

A quote is only useful if you know what it includes.

When comparing plans, ask for the clinical and non-clinical items to be separated clearly. A written quote should ideally identify:

• the diagnosis and prognosis of remaining teeth;
• the number, brand, model and planned positions of implant fixtures;
• abutments or multi-unit connection components;
• imaging and surgical guides where used;
• extractions;
• bone grafting, soft-tissue procedures or sinus treatment if required;
• anesthesia or sedation where applicable;
• the temporary restoration, including its material and whether it is fixed or removable;
• the definitive bridge material, framework, design and number of teeth;
• laboratory stages and bite adjustments;
• medication and post-operative checks;
• expected visits and what happens if healing changes the schedule;
• maintenance requirements;
• warranty or guarantee terms, exclusions and maintenance obligations;
• responsibility for complications, repairs or remedial care after you return home;
• hotel, transfers or other travel services as separate non-clinical items.

Also verify the facility's exact legal identity and, where applicable, its current authorization for international health tourism through the Republic of Türkiye Ministry of Health. Authorization is useful provider information, but it does not guarantee an individual treatment outcome.

Identify the dentist responsible for diagnosis and prosthetic planning, not only the patient coordinator. Ask who performs the surgery, who designs the final restoration, and who makes decisions if the plan changes after examination.

A Practical Decision Checklist

Before choosing between All-on-4 and All-on-6, ask your dentist these questions:

1. What is the prognosis of each remaining natural tooth?
2. Why is a full-arch fixed prosthesis appropriate for me?
3. What does my three-dimensional imaging show about usable bone and anatomical limits?
4. Why do you recommend four implants or six in this specific jaw?
5. How will the implants be distributed, and how does that relate to the final bridge?
6. What happens if one planned implant cannot be placed or later develops a complication?
7. Will I receive a fixed provisional immediately, and what conditions must be met for that?
8. Do I need bone grafting or sinus treatment, and how would that change the timeline?
9. What material and design are planned for the definitive bridge?
10. How will I clean under the bridge?
11. What exactly is included and excluded from the written price?
12. Who is responsible for maintenance, repairs, and urgent problems after I return home?

A dentist should be able to explain the clinical reason for the design in language you understand.

Conclusion

All-on-4 and All-on-6 are not competing quality grades. They are different ways to support a fixed full-arch prosthesis.

Four implants can be an appropriate evidence-supported design in selected patients. Six can offer useful additional implant positions when anatomy and the prosthetic plan support them. Neither count guarantees a better result on its own.

The best comparison starts with diagnosis, tooth prognosis, imaging, and the final prosthesis. Then the implant number, treatment stages, and price can be built around that plan.

Frequently Asked Questions