The same idea, a different number of implants
Both replace a full arch of teeth with a fixed bridge held in place by dental implants: four implants for All-on-4 and six for All-on-6. Unlike a removable denture, the bridge is fixed and is only taken out by a dentist.
How the dentist chooses
The choice depends on how much healthy jawbone you have, where it is, and your bite. The dentist decides after examining your X-rays and your mouth; some people need a bone graft first.
Neither option is better for everyone, and the dentist may recommend a different solution altogether.
Why it takes two trips
Implants need time to fuse with the jawbone, usually around four months, before the final bridge is fitted. Full-arch treatment therefore usually means one visit to place the implants (often with a temporary bridge), healing at home, and a second visit for the final bridge.
Looking after a full-arch bridge
There's no lifetime guarantee. Cleaning around the implants and regular check-ups with a dentist help prevent gum problems that can lead to implants loosening.
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Sources
General information, not medical advice. MedicaTurn is a medical tourism facilitator, not a healthcare provider. Last reviewed 8 November 2026 against the sources above.