May auxiliaries use slow or high-speed handpieces?
The use of an slow-speed or high-speed handpieces by auxiliaries is not specifically prohibited by law or regulation, except that (1) those certified to perform coronal polishing are limited to using “an appropriation rotary instrument with rubber cap or brush and a polishing agent” (Regulation Section 1067(h); and (2) the procedure is not intended to cut hard or soft tissue.
