What Is the Difference Between All-on-Four and All-on-Six? How to Choose the Right One?

Living without teeth is not only an aesthetic problem—it’s also a major functional concern. In recent years, dental implants have become one of the most popular solutions for edentulous (toothless) patients. However, placing a separate implant for each missing tooth can be invasive and costly. That’s where All-on-Four and All-on-Six systems come into play.

So, what exactly is the difference between All-on-Four and All-on-Six? Which system is right for whom? How do you make the best decision? Let’s explore these options in detail.

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What Is All-on-Four?

All-on-Four is a full-arch dental implant technique where four implants are strategically placed in the jawbone to support a full set of prosthetic teeth. Two implants are positioned vertically in the front, while the other two are angled in the back to maximize bone use and avoid sinus cavities or nerve pathways.

This system is particularly ideal for patients with significant bone loss, as it doesn’t require bone grafting in most cases. It's a less invasive, cost-effective, and time-saving solution.

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What Is All-on-Six?

The All-on-Six system uses six dental implants to support a full-arch prosthesis. The implants are usually placed vertically across the jaw, providing more surface area for integration and stability. This system is recommended for patients with sufficient bone volume and density.

All-on-Six is often preferred by younger patients or those seeking a more long-term, durable solution with better chewing function and load distribution.

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Key Differences Between All-on-Four and All-on-Six

Feature	All-on-Four	All-on-Six
Number of Implants	4	6
Bone Requirement	Minimal	Moderate to High
Stability	Good	Higher
Durability	10–15 years	15+ years
Chewing Efficiency	Effective	Superior
Surgery Complexity	Less	Slightly More
Cost	More Affordable	Slightly Higher

 

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Who Is a Candidate for Each System?

All-on-Four Is Best For:

• Patients with advanced bone loss

• Those seeking a faster solution

• Elderly patients or those with systemic health concerns

• People who want to avoid bone grafting

• Individuals who want a cost-effective treatment

All-on-Six Is Ideal For:

• Patients with strong jawbone support

• Younger individuals with high chewing demands

• Those looking for a long-term, robust solution

• People concerned about long-term stability and balance

• Anyone willing to invest in a more extensive surgical plan

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How to Decide Which Is Right for You?

Choosing between All-on-Four and All-on-Six isn’t a decision you make on your own. A detailed oral examination, including a 3D CBCT scan, is essential. Your dentist will assess:

• Jawbone quality and density

• General health condition

• Oral hygiene habits

• Esthetic and functional needs

• Budget and treatment expectations

At Videntis Dental Clinic in İzmir, we personalize every treatment plan based on comprehensive diagnostics and patient goals.

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What Does the Treatment Process Look Like?

Regardless of which system you choose, the general steps are similar:

1. Initial Consultation and Imaging: Clinical evaluation and digital X-rays or CBCT scans.

2. Treatment Planning: Virtual implant placement and prosthetic design.

3. Implant Surgery: Performed under local anesthesia.

4. Temporary Prosthesis: Often placed on the same day or within 48 hours.

5. Healing Period: 2–4 months for osseointegration.

6. Final Prosthesis: Custom-made and placed after healing.

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What Affects Success in These Systems?

While both systems are effective, the key to success lies in:

• Choosing the right implant system

• The skill of the dental team

• Quality of the prosthetic materials

• The patient’s commitment to oral hygiene

At Videntis, we use top-tier implant brands, collaborate with in-house prosthodontists, and ensure that each prosthesis is designed to meet your needs—both aesthetically and functionally.

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Estimated Costs in 2025

Treatment costs can vary based on:

• Number and brand of implants

• Type of prosthesis (acrylic vs. zirconia)

• Additional procedures (e.g., bone grafting)

However, on average:

• All-on-Four is 20–30% more affordable than All-on-Six.

• All-on-Six offers better long-term value due to increased stability.

At Videntis, we offer free consultations and panoramic X-rays, helping you explore all your options without financial pressure.

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Conclusion: All-on-Four or All-on-Six?

There’s no one-size-fits-all answer. The right choice depends on your unique situation. Some patients achieve great success with four implants, while others benefit more from six.

Our advice? Don’t decide alone. Book a consultation at Videntis Clinic in İzmir, and let our experienced team guide you to the best solution for your smile. We’ll take the time to evaluate your needs, explain every option, and help you make the most informed choice.