Violation
For amalgam restorations, a 90?cavosurface angle accommodates the 1. condensing of amalgam. 2. compressive strength of amalgam. 3. tensile strength of amalgam. 4. compressive strength of enamel.
All of the above.
(1) (2) (3)
(1) and (3)
(2) and (4)
(4) only