Violation

Which of the following is/are essential when using a spherical rather than an admix alloy for a routine amalgam restoration? 1. A larger diameter condenser tip. 2. An anatomical wedge. 3. A thinner matrix band. 4. A serrated condenser tip.

(1) (2) (3)

(1) and (3)

(2) and (4)

(4) only

All of the above.

Please describe the matter of abuse