Violation

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

(2) and (4)

(1) (2) (3)

(1) and (3)

(4) only

All of the above.

Please describe the matter of abuse