All-on-Four? Better-on-six
All-on-Four is a treatment modality for replacing all of the teeth in a single arch (either upper or lower). It is called All-on-Four, because all of the teeth are replaced by a fixed dental prosthesis (like a denture or a bridge) that is supported by four implants. Sounds great, right? There is a saying in the dental world that makes light of the fact that All-on-Four can have a high rate of complications. We say, "All-on-Four, but none on three." This implies that if you tr