Violation
Which of the following instruments can be used for placing gingival bevels on cast gold inlay preparations? 1. Margin trimmers. 2. Enamel hatchets. 3. Carbide finishing burs. 4. Small diamond discs.
(1) and (3)
(2) and (4)
(4) only
All of the above.
(1) (2) (3)