Oregon Administrative Rules
Chapter 818 - OREGON BOARD OF DENTISTRY
Division 42 - DENTAL ASSISTING
Section 818-042-0070 - Expanded Function Dental Assistants (EFDA)

(1) Polish the coronal surfaces of teeth with a brush or rubber cup as part of oral prophylaxis to remove stains providing the patient is checked by a dentist or dental hygienist after the procedure is performed, prior to discharge;

(2) Remove temporary crowns for final cementation and clean teeth for final cementation;

(3) Preliminarily fit crowns to check contacts or to adjust occlusion outside the mouth;

(4) Place temporary restorative material (i.e., zinc oxide eugenol based material) in teeth providing that the patient is checked by a dentist before and after the procedure is performed;

(5) Place and remove matrix retainers for alloy and composite restorations;

(6) Polish amalgam or composite surfaces with a slow speed hand piece;

(7) Remove excess supragingival cement from crowns, bridges, bands or brackets with hand instruments providing that the patient is checked by a dentist after the procedure is performed;

(8) Fabricate temporary crowns, and temporarily cement the temporary crown. The cemented crown must be examined and approved by the dentist prior to the patient being released;

(9) Under general supervision, when the dentist is not available and the patient is in discomfort, an EFDA may recement a temporary crown or recement a permanent crown with temporary cement for a patient of record providing that the patient is rescheduled for follow-up care by a licensed dentist as soon as is reasonably appropriate; and

(10) Perform all aspects of teeth whitening procedures.