To prepare a for tooth 2.8 (upper left third molar), you must balance the need for retention with the risk of root perforation, which is higher in second and third molars due to complex root anatomy.
These clinical demonstrations cover post space preparation techniques, crown prep principles, and strategies for managing difficult cases: Core Post and Crown - with Steven T. Cutbirth, DDS 150K views · 7 years ago YouTube · Dental Minute with Steven T. Cutbirth, DDS (2.8 MB)