What is All on 4 Dental Implants? The All on 4 implants procedure uses just four dental implants to support a full arch of new permanent replacement teeth, usually in the form of a fixed dental bridge, making it ideal for people with all or most missing teeth. These special implants are designed to be placed at specific angles, which usually helps avoid the need for a bone graft, ... https://www.smileconcepts.com.au/dental-implants/all-on-4-dental-implants-sydney.html