Violation

Overlapping contacts on a bitewing radiograph result from 1. malalignment of teeth. 2. incorrect vertical angulation of the xray beam. 3. incorrect horizontal angulation of the x-ray beam. 4. patient movement during the exposure.

(2) and (4)

(1) and (3)

(1) (2) (3)

All of the above

(4) only

Please describe the matter of abuse