Violation

The tooth preparation for a porcelain veneer must have a 1. rough surface. 2. space for the veneer material. 3. definite finish line. 4. margin at least 1mm supragingivally.

(1) (2) (3)

(1) and (3)

(2) and (4)

(4) only

All of the above.

Please describe the matter of abuse