Patients enter our practices every day that are at various stages of edentulism, however, knowing when to make the jump to an All-on-4 can be challenging. In this lecture, we will review treatment options and discuss key principles needed for success. Additionally, conversion techniques will be reviewed and clinical steps to fabricate the defini.ve prosthesis. Following the completion of this lecture, you should have improved confidence in the treatment of the All-on-X patient. (1.25 CE Credits)