When you’re missing most or all of your teeth, two implant-based solutions rise above the rest: All-on-X and implant-supported dentures. Both use dental implants as their foundation. Both restore function and appearance far better than traditional dentures. But they work differently, feel differently, and suit different patients for different reasons. Dr. Rand Luka an implant dentist in London, shares his expertise.
If you’ve been researching full-arch tooth replacement and feel unsure which direction to go, this guide is for you. At Luka Dental Implants in London, Dr. Rand Luka works with patients every day who arrive with exactly this question. Here’s what you need to understand before making your decision.
The Foundation: What Both Options Have in Common
Both All-on-X and implant-supported dentures rely on titanium implant posts placed into the jawbone. This is what separates them from conventional dentures, which simply rest on the gum surface. Because both options anchor to the bone, they provide significantly better stability, chewing function, and long-term jaw health than traditional removable dentures.
The implants in both cases stimulate the jawbone the way natural tooth roots do. This prevents the bone resorption that causes the sunken facial appearance so common with conventional dentures over time. That shared foundation is important. But from there, the two solutions diverge in meaningful ways.
What Is All-on-X?
All-on-X is a fixed, non-removable full-arch restoration. A full set of prosthetic teeth attaches permanently to a small number of strategically placed implants, typically four to six per arch. The angled placement of the rear implants allows the prosthesis to be supported even in areas where bone density may be lower, often eliminating the need for bone grafting.
The key word with All-on-X is fixed. Once placed, the prosthesis does not come out. You brush and care for it exactly like natural teeth. There are no adhesives, no nightly removal routines, and no movement during eating or speaking. For most patients, it feels closest to having a full set of natural teeth again.
At Luka Dental Implants, Dr. Luka places All-on-X restorations using advanced 3D imaging and digital implant planning technology. This allows for precise implant positioning and, in many cases, same-day delivery of a fully functioning provisional arch. Patients leave their appointment with teeth.
Who Is All-on-X Best Suited For?
All-on-X tends to be the strongest choice for patients who:
- Want a permanent, fixed solution with no removal required
- Have experienced significant tooth loss or full edentulism in one or both arches
- Are looking for the closest functional and aesthetic replacement to natural teeth
- Want to consolidate treatment into as few visits as possible
- Have adequate or manageable bone density for implant placement
What Are Implant-Supported Dentures?
Implant-supported dentures use a smaller number of implants, typically two to four per arch, to anchor a removable denture prosthesis. Unlike conventional dentures that rely entirely on suction and gum contact, implant-supported dentures snap or clip onto the implants securely. This eliminates slipping, clicking, and the frustrating instability that conventional denture wearers know well.
The removable nature of implant-supported dentures is both their key distinction and their main trade-off. Patients remove them for cleaning and at night. For some patients this is entirely acceptable. For others, the idea of a removable prosthesis is a dealbreaker, which is where All-on-X becomes compelling.
Implant-supported dentures also tend to require fewer implants per arch, which can make them a more accessible option from a surgical standpoint in certain cases. They work particularly well for patients who already have an existing denture and want to upgrade its stability without committing to a fully fixed restoration.
Who Are Implant-Supported Dentures Best Suited For?
Implant-supported dentures tend to work well for patients who:
- Are comfortable with a removable prosthesis
- Want significantly better stability than conventional dentures without full fixed reconstruction
- Have an existing denture they would like to retain and anchor
- Prefer a less surgically intensive approach
- Are looking for a cost-effective entry point into implant-based tooth replacement
Comparing the Two Side by Side
Understanding the practical differences helps clarify the decision.
Stability: All-on-X provides a fully fixed, immovable restoration. Implant-supported dentures offer excellent stability compared to conventional dentures but remain removable.
Maintenance: All-on-X is maintained like natural teeth with brushing, flossing, and routine professional cleanings. Implant-supported dentures require daily removal and cleaning of both the prosthesis and the implant attachments.
Number of implants: All-on-X typically uses four to six implants per arch. Implant-supported dentures often use two to four.
Bone requirements: All-on-X uses angled implant placement to maximize available bone, frequently avoiding the need for grafting. Implant-supported dentures may also work with reduced bone but require sufficient density at the implant sites.
Aesthetics: Both options produce natural-looking results. All-on-X restorations are typically fabricated from high-quality materials designed for long-term durability and appearance.
Treatment timeline: Both options can often be delivered on an accelerated timeline. Dr. Luka’s same-day teeth-in-a-day approach applies most directly to All-on-X cases, where a provisional arch can be placed immediately following implant surgery.
The Role of 3D Imaging in Your Decision
One of the most important tools in determining which option suits you is advanced 3D imaging. At Luka Dental Implants, Dr. Luka uses cone beam computed tomography (CBCT) scanning to produce a detailed three-dimensional map of your jawbone, nerve pathways, and existing anatomy before any treatment begins.
This imaging removes the guesswork from implant planning entirely. It allows Dr. Luka to assess bone volume and density with precision, identify the optimal implant positions, and determine in advance whether bone grafting is needed or whether the angulated implant strategy of All-on-X can work within your existing anatomy. Patients arrive at their consultation with a clear, data-driven picture of what their best option actually is.
Cost Considerations
All-on-X typically represents a higher upfront investment than implant-supported dentures, reflecting the greater number of implants, the fixed prosthesis, and the advanced planning and technology involved. However, the long-term cost picture is more nuanced. Fixed restorations generally require less ongoing maintenance and adjustment than removable options, and the durability of a well-placed All-on-X arch can span decades with proper care.
Your implant dentist in London will provide a detailed treatment plan and cost breakdown following your consultation and imaging assessment. Luka Dental Implants offers free consultations for new patients, which is the right starting point before any financial commitment.
Making the Right Choice for Your Situation
There is no universally superior option between All-on-X and implant-supported dentures. The right choice depends on your bone anatomy, your lifestyle preferences, your goals for function and convenience, and your overall health picture. What matters most is that the decision comes from a thorough assessment, not a general assumption.
Dr. Rand Luka brings specialized expertise in digital implant planning, surgical placement, and full-arch restoration to every patient case. His approach combines advanced technology with a clear, honest conversation about what each option actually delivers and which one fits your specific situation best.
Book Your Free Consultation
If you’re ready to explore full-arch tooth replacement with a specialist implant dentist in London, Luka Dental Implants offers free consultations to help you understand your options with confidence and no pressure.
Call (519) 472-4460 or visit the clinic at 2101 Aldersbrook Road, London, ON. Emergency appointments are available at (226) 973-4330. The clinic is open Monday through Thursday with extended evening hours on Monday and Tuesday to accommodate busy schedules.
Your full-arch solution starts with the right information. Dr. Luka and the team at Luka Dental Implants are ready to help you find it.
