For people living with failing teeth, extensive tooth loss, or uncomfortable dentures, the idea of rebuilding an entire smile can feel overwhelming. Fortunately, modern implant dentistry offers options that can provide a stable, natural-looking alternative to traditional removable dentures.
One of those options is All-on-X dental implants.
All-on-X uses strategically placed dental implants to support a fixed, full-arch restoration. Rather than replacing every missing tooth with an individual implant, a carefully planned number of implants can support an entire upper or lower arch of teeth.
At Maine Dentistry, our approach begins with something even more important than the number of implants: determining what is appropriate for the individual patient.
What Are All-on-X Dental Implants?
All-on-X is a full-arch dental implant treatment designed for patients who are missing most or all of their teeth—or whose remaining teeth may no longer have a predictable long-term prognosis.
Dental implants are placed at carefully selected positions within the jaw. These implants act as the foundation for a fixed set of replacement teeth.
Unlike a traditional removable denture, an implant-supported full-arch restoration is designed to remain securely in place.
The result can be a smile that looks and functions much more like natural teeth.
What Does the “X” in All-on-X Mean?
This is an important distinction.
You may have heard the term All-on-4, which refers to a full-arch restoration supported by four dental implants.
All-on-X takes a broader approach.
The “X” represents the number of implants determined to be appropriate for the patient's individual anatomy and treatment plan.
For one patient, four implants may be appropriate. Another may benefit from five, six, or another configuration.
At Maine Dentistry, we don't believe an arbitrary number should dictate treatment. Implant placement should be based on factors such as bone anatomy, oral health, restorative needs, and the long-term treatment plan.
In other words:
“The X is a clinical decision—not a marketing number.”
Who May Be a Candidate for All-on-X?
All-on-X may be considered for people experiencing:
- Multiple missing teeth
- Severely damaged or failing teeth
- Advanced dental problems affecting most of an arch
- Difficulty eating with their existing teeth
- Loose or uncomfortable dentures
- Extensive previous dental work that is beginning to fail
- A desire for a fixed alternative to removable dentures
Some patients who have been told they have experienced bone loss may still have implant treatment options.
The only way to determine candidacy is through a comprehensive examination and appropriate diagnostic imaging.
Why Choose Dental Implants for a Full-Arch Restoration?
Traditional dentures have helped generations of patients replace missing teeth, but they are removable and rely primarily on the gums and underlying tissues for support.
Dental implants work differently.
An implant is placed within the jawbone and serves as an anchor for the restoration above it. When multiple implants are used to support a full arch, they can provide a stable foundation for replacement teeth.
Depending upon the patient's individual situation, potential advantages of implant-supported full-arch treatment can include:
Improved Stability
The restoration is supported by implants rather than simply resting on the gums.
Improved Chewing Function
A stable restoration may allow patients to eat a broader variety of foods comfortably.
A Fixed Solution
Unlike conventional removable dentures, fixed full-arch restorations are designed to remain in place.
Natural-Looking Aesthetics
The shape, proportions, and appearance of the final smile can be carefully planned.
Individualized Treatment
Implant number, position, restoration design, and other aspects of treatment can be customized to the patient.
What Does the All-on-X Process Look Like?
No two cases are exactly alike, but treatment generally begins with a detailed consultation.
1. Consultation and Evaluation
We begin by learning about your dental history, concerns, goals, and what you would like to change about your smile.
Your doctor evaluates your teeth, gums, bite, and overall oral health.
2. Digital Diagnostics and Treatment Planning
Modern imaging allows us to evaluate the jaw and available bone in three dimensions.
This information helps determine whether implants are appropriate and, if so, where they should be positioned.
3. Personalized Implant Planning
This is where the “X” becomes important.
Rather than starting with a predetermined number of implants, the treatment plan is developed around your individual clinical needs.
4. Implant Placement and Restoration
If treatment is appropriate, implants are surgically positioned according to the treatment plan.
Depending on the individual case, a temporary fixed restoration may be possible during the healing phase. Your dentist will explain what is appropriate for your specific situation.
5. Healing and Final Restoration
As healing progresses, the implants integrate with the surrounding bone.
The final restoration is then designed to achieve the appropriate combination of aesthetics, comfort, function, and durability.
How Long Do All-on-X Dental Implants Last?
Dental implants are designed as a long-term treatment, but no dental restoration should be considered maintenance-free or guaranteed for life.
Longevity depends on many factors, including oral hygiene, overall health, bite forces, smoking history, regular professional care, and how well the restoration is maintained.
Even though the replacement teeth cannot develop cavities in the same way natural teeth can, the tissues and bone surrounding dental implants still require excellent care.
Routine examinations and professional maintenance remain important after treatment.
What About Patients Who Have Been Told They Don't Have Enough Bone?
Bone loss does not automatically mean someone cannot receive dental implants.
Full-arch implant treatment allows the doctor to evaluate the available bone throughout the jaw and determine where implants may potentially be placed.
Some patients may require additional procedures, while others may have treatment options that weren't apparent from a conventional dental examination alone.
This is one reason three-dimensional imaging and individualized planning are so important.
How Much Does All-on-X Cost?
The cost of full-arch dental implant treatment depends on the complexity of the case, number and position of implants, restorative materials, required procedures, and other individual clinical considerations.
At Maine Dentistry, we believe patients should understand the anticipated treatment and associated costs before deciding how they would like to proceed.
Our current All-on-X treatment information, including available pricing and consultation options, can be found on our All-on-X Dental Implants page.
Experience Matters in Full-Arch Implant Dentistry
Full-arch implant dentistry brings together surgical planning, restorative dentistry, implant placement, bite design, aesthetics, technology, and long-term maintenance.
Benjamin Lawlor, DDS, MAGD, has pursued extensive advanced education throughout his career. He is a Master of the Academy of General Dentistry (MAGD) and a Fellow of the International Congress of Oral Implantologists (ICOI).
For patients, those credentials represent something meaningful: an ongoing commitment to advanced education and comprehensive dentistry.
But credentials are only one part of the equation.
We believe excellent implant dentistry also requires listening carefully, explaining options clearly, planning thoughtfully, and never forcing a patient into a predetermined treatment.
Is All-on-X Right for You?
All-on-X can be transformative for the right patient, but it isn't automatically the right treatment for everyone.
Sometimes natural teeth can and should be preserved. Sometimes another implant solution makes more sense. And sometimes a removable option may better fit a patient's clinical circumstances or goals.
That's why the first step isn't choosing All-on-X.
The first step is understanding your options.
At Maine Dentistry, we'll evaluate your individual situation, discuss what we see, answer your questions, and help you understand the available paths forward.
Explore Full-Arch Dental Implant Options in Maine
If you're struggling with missing teeth, failing dental work, or uncomfortable dentures, we invite you to learn more about what's possible.
Maine Dentistry welcomes patients at our Auburn, Gray, and Portland, Maine locations.