First, briefly review the concept of the Comprehensive Abutment Procedure, which was also explained in the anterior section. After that, the actual treatment is explained in a flow chart. The video explains the entire process, from the removal of the rubber dam, removal of the crown core, and caries treatment of the treated tooth and adjacent teeth, to the creation of the bulkhead and preparation of the environment for root canal treatment, all using a microscope. The reasons for removing the crowns and cores after rubber dam damming and the data on bonding are also explained in detail.