If you wonder what All-on-4® dental implants are made of, wonder no more. All-on-4®dental implants are a tooth replacement... moreIf you wonder what All-on-4® dental implants are made of, wonder no more. All-on-4®dental implants are a tooth replacement option that involves replacing all the teeth in your mouth. Your dentist will recommend All-on-4® implants if you have lost all your teeth.