Violation
Composite resin is CONTRAINDICATED as a posterior restorative material in cases of 1. cusp replacement. 2. bruxism. 3. lack of enamel at the gingival cavosurface margin. 4. inability to maintain a dry operating field.
(1) and (3)
All of the above.
(1) (2) (3)
(4) only
(2) and (4)