Violation
Which of the following is/are essential when using spherical rather than admix alloy for a routine amalgam restoration 1. a larger diameter condenser. 2. an anatomical wedge. 3. decreased condensing pressure. 4. a dead soft matrix band.
(1) (2) (3)
(1) and (3)
(2) and (4)
(4) only
All of the above.