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 cavo-surface margin. 4. inability to maintain a dry operating field.

All of the above.

(1) (2) (3)

(1) and (3)

(2) and (4)

(4) only

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