| As used in this subchapter, unless the context otherwise |
| indicates, "expanded function dental assistant" means an |
| individual who holds a current valid certification under this |
| subchapter to perform reversible intraoral procedures authorized |
| by this subchapter under the direct supervision of a licensed |
| dentist and under an assignment of duties by a dentist.__Such |
| procedures include, but are not limited to, placing and removing |
| rubber dams and matrices; placing and contouring amalgam, |
| composite and other restorative materials; applying sealants; |
| supra gingival polishing; and other reversible procedures not |
| designated by this chapter to be performed only by licensed |
| dentists or dental hygienists. |