Violation

The shape of the distobuccal flange of a mandibular denture is determined by the 1. buccinator muscle. 2. tendon of the temporal muscle. 3. masseter muscle. 4. external oblique ridge.

(1) and (3)

(1) (2) (3)

(2) and (4)

(4) only

All of the above.

Please describe the matter of abuse