1. The document outlines the steps for preparing a tooth for an onlay restoration, including reducing the cusps, creating an occlusal step, and forming proximal boxes. 2. Key preparation steps include using a bur to reduce tooth cusps, create a 0.5mm occlusal step, and form 0.8mm wide proximal boxes removing 2/3 dentin and 1/3 enamel. 3. Additional steps include placing bevels, flares, and potentially retention grooves to complete the tooth preparation for an onlay restoration.

1. Dr shabeel’s presentations

14. COMPLETED MESIO OCCLUSO DISTAL ONLAY PREPARATION