Dental Which of the following is an indication of onlay cast restoration? A Width of the lesion exceeds ½ the intercuspal distance B Strong, self-resistant cusps are there C Occlusal surfaces are not to be changed D The tooth is not to be used as an abutment 💡 Explanation Which of the following is an indication of onlay cast restoration? ✓ Correct Answer: A. Width of the lesion exceeds ½ the intercuspal distance