Dental In facial porcelain inlay what should be kept in mind? A Facial surface should be perpendicular to cavity margins B Facial surface should converge to cavity margins C Facial surface should be parallel to cavity margins D Axial wall is 2.5 mm deeper than normal 💡 Explanation In facial porcelain inlay what should be kept in mind? ✓ Correct Answer: A. Facial surface should be perpendicular to cavity margins