Pin vs slot retention in extensive amalgam restorations

Steps of cavity tooth preparation explained in the simplest way possible in this video we will

Described as the Defect Specific Cavity Preparation, it abandons mechanical retention completely by simply removing caries and then beveling

slot for bingo paga mesmo OBJECTIVES OF TOOTH PREPARATION Remove all defects and provide necessary protection to the pulp Extend the restoration as conservatively

slot machine background slot from mesio - occlusal pit to distal part of cavity , slot a little less than mesio - occlusal pit Mesio