Restorative & Materials · single question
For a Class IV composite restoration, the cavosurface bevel is placed on the:
Show answer and explanation
Correct answer: A. Enamel margin
- A. Correct. An enamel bevel exposes the ends of enamel rods for stronger etch/bond and a gradual, esthetic blend of the composite.
- B. Incorrect. The pulpal floor is an internal cavity surface, not where a finishing bevel is placed.
- C. Incorrect. Beveling dentin does not improve bonding the way an enamel bevel does and offers no esthetic benefit.
- D. Incorrect. Cementum is not the margin of an anterior Class IV restoration.
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