Dental During M.O.D. preparation one of the cusps is under mined, indicated treatment is A Reduction of cusp and include in the preparation for onlay B Reduction of all the cusps and crown is indicated C Strengthened by use of Amalgam core D Cusp is beveled and the patient is advised not to exert force on the cusp 💡 Explanation During M.O.D. preparation one of the cusps is under mined, indicated treatment is ✓ Correct Answer: A. Reduction of cusp and include in the preparation for onlay