Dental In facial porcelain margin, the risk of fracture can be reduced by A Increased axial depth upto 3 mm B Cavosurface margin at 90 degree C Margins of the tooth reduction at incisal edge D Providing contact during centric relationship π‘ Explanation In facial porcelain margin, the risk of fracture can be reduced by β Correct Answer: B. Cavosurface margin at 90 degree