If you are missing most or all of your teeth in one arch, three modern options usually come up: a conventional removable denture, an implant-supported overdenture that snaps onto a few implants, and All-on-4 (a full set of teeth fixed permanently to four implants). The marketing for All-on-4 is loud, and the gap between options is real, both in how they feel and what they cost. This guide compares them honestly so you can ask the right questions at a consult.
Conventional dentures
A full denture replaces an entire arch of teeth. It rests on the gums (and, for upper dentures, the palate) and is held in place by suction, careful fit, and sometimes adhesive. You take it out at night.
Strengths
- Lowest upfront cost of the three options by a wide margin
- No surgery required
- Can be made and delivered relatively quickly
- Same-day "immediate" versions are possible if you still have teeth being extracted, so you do not leave without teeth
Trade-offs
- They can slip, click, or rock during chewing or speaking, especially on the lower arch where there is less surface area for suction to grip
- Many foods become harder to eat well (steak, raw apples, corn on the cob, crusty bread)
- The jawbone underneath shrinks over time because nothing is stimulating it, which means the denture fit changes and needs relines or replacement every 5 to 10 years
- Upper dentures cover the roof of your mouth, which can dull taste and texture for some patients
Conventional dentures remain the right answer for plenty of patients, especially when budget is the deciding factor, when the bone is too thin for implants without major grafting, or when health conditions make surgery the wrong call.
Implant-supported overdentures
The middle option. Two to four implants are placed in the arch, and a denture is built with small clips or magnets that snap onto the implants. You still take it out to clean, but it does not move while you are eating or talking.
Strengths
- Dramatically more stable than a conventional denture; most patients can eat almost anything again
- Bone loss slows down because the implants stimulate the jaw
- Costs less than All-on-4 because it uses fewer implants and a simpler prosthetic
- Lower-arch overdentures (2 implants) are especially life-changing for patients whose lower dentures never felt stable
Trade-offs
- You still take it out to clean and at night
- The retention clips wear and are replaced every 1 to 2 years as part of routine maintenance
- Healing time of 3 to 6 months between implant placement and final denture
Implant-supported overdentures are often the unsung middle ground: most of the stability of All-on-4, a fraction of the cost.
All-on-4 (full-arch fixed implants)
Four implants placed at angles to maximize bone use, with a permanent bridge of 12 to 14 teeth screwed onto them. The prosthetic never comes out except at periodic professional cleanings.
Strengths
- Closest feel to natural teeth of any tooth-replacement option available today
- No nightly removal; you brush and floss like natural teeth
- Bone preservation is excellent because the implants continuously stimulate the jaw
- Often suitable for patients who were told they have too little bone for traditional implants, because the angled placement uses denser bone in the front of the jaw
- Same-day "teeth in a day" temporary prosthetics are common, so you leave with fixed teeth on surgery day
Trade-offs
- Highest upfront investment of the three options by a significant margin
- Surgery is more involved (longer chair time, often with sedation) and recovery takes a few weeks
- The final, permanent prosthetic is typically delivered 3 to 6 months after surgery, after the implants have integrated
- Cleaning requires specific tools and technique under the fixed bridge; it is straightforward once you have the routine down
How they feel day to day
The clinical specs only tell part of the story. The day-to-day difference is meaningful:
- Eating: All-on-4 is closest to natural teeth; overdentures handle almost any food once you adjust; conventional dentures restrict harder or stringier foods for many patients.
- Speaking: All-on-4 has no learning curve. Overdentures take a few days. Conventional dentures, especially new ones, can take weeks of practice and may always feel slightly different than natural teeth.
- Cleaning: Conventional dentures and overdentures come out for cleaning. All-on-4 stays in and uses a water flosser plus interdental brushes under the bridge.
- Sleeping: Conventional dentures and most overdentures come out at night. All-on-4 stays in. For some patients that matters socially; for others it is a relief to be done with the nightly removal ritual.
How they compare on cost
Cost is where these options diverge most. We do not publish specific prices because every case depends on the patient's bone, extractions, sedation, and any pre-treatment work needed, but the rough hierarchy is consistent:
- Conventional dentures: the lowest upfront cost. Most dental insurance plans cover a portion. Plan on a reline or remake every 5 to 10 years.
- Implant-supported overdentures: moderate upfront cost. You are paying for two to four implants on top of the denture itself. The prosthetic lasts considerably longer than a conventional denture, often 10 to 15 years before remake.
- All-on-4: the highest upfront cost. You are paying for four implants per arch plus a more complex full-arch prosthetic. With proper maintenance the implants can last decades; the prosthetic itself is often the part that needs replacement first, typically after 10 to 15 years.
We provide written quotes at the consultation with all three options costed out, plus financing through Care Credit and Cherry. See our insurance and financing page for the rest of the details.
How to choose
Three questions narrow the decision faster than any marketing brochure can:
- What does your current bone look like? A 3D cone-beam scan tells us whether implants are simple, complex, or need grafting first. Some patients who were told elsewhere they were "not a candidate" for implants are good candidates for All-on-4 specifically because of the angled placement.
- What is your priority? If it is feeling closest to natural teeth, All-on-4 wins. If it is significant stability at a reasonable cost, an overdenture is the underrated middle ground. If budget is the constraint, a well-made conventional denture is still a respectable option.
- What is your medical history? Some health conditions make implant surgery more complicated or rule it out. We review your history honestly at consultation and will tell you when conventional dentures are the safer call.
At Dental Salon, both our Lincoln Park and Schaumburg offices handle all three options in-house. Our board-certified periodontist places the implants, our oral-surgery-focused dentist handles extractions and any grafting, and our restorative team designs and delivers the final prosthetic. One coordinated team, one set of records, no outside referrals.
Frequently asked questions
Is All-on-4 always better than dentures?
No. All-on-4 is closer to natural teeth, but it is also more expensive, more invasive, and requires more maintenance than most patients realize. For patients who are good candidates and who value the feel of fixed teeth, it is often worth it. For patients on a tight budget or with health conditions that complicate surgery, conventional or overdenture options are often the smarter call.
Can I upgrade from a denture to All-on-4 later?
Yes. Many patients start with a conventional denture and move to overdentures or All-on-4 years later when finances allow. Bone loss does occur during the denture years, which can make the later implant work more complex, but it is still a legitimate path and we see it regularly.
Does insurance cover All-on-4?
Some plans cover portions: the extractions, the implant surgery, the prosthetic, or some combination, depending on the plan. Coverage for All-on-4 specifically is less common than coverage for conventional dentures. We verify benefits before treatment and provide a clear written estimate. See our insurance page.
How long does All-on-4 actually take?
Surgery day typically takes 4 to 6 hours under sedation, and most patients leave with a fixed temporary prosthetic ("teeth in a day"). Healing takes 3 to 6 months while the implants integrate. The final, permanent prosthetic is delivered after integration. So: same-day function, but the permanent teeth come several months later.
What if I have been told my bone is too thin for implants?
Modern grafting techniques solve this in many cases, and the angled implant placement used in All-on-4 specifically uses denser bone in the front of the jaw that other implant protocols cannot reach. Bring any prior scans to the consult and our periodontist will review them alongside our own 3D imaging.
Disclaimer
This article is educational. Tooth-replacement choices depend on bone, bite, medical history, and personal priorities. A consultation with imaging is required before any plan is made.
