OAR 818-042-0040
Prohibited Acts

No licensee may authorize any dental assistant to perform the following acts:
(1) Diagnose or plan treatment.
(2) Cut hard or soft tissue.
(3) Any Expanded Function duty (OAR 818-042-0070 (Expanded Function Dental Assistants (EFDA)) and OAR 818-042-0090 (Additional Functions of EFDAs)) or Expanded Orthodontic Function duty (OAR 818-042-0100 (Expanded Functions — Orthodontic Assistant (EFODA))) or Restorative Functions (OAR 818-042-0095 (Restorative Functions of Dental Assistants) or Expanded Preventive Duty OAR 818-042-0113 (Certification — Expanded Function Preventive Dental Assistants (EFPDA)) and OAR 818-042-0114 (Additional Functions of Expanded Function Preventive Dental Assistants (EFPDA)) or Expanded Function Anesthesia (OAR 818-042-0115 (Expanded Functions — Certified Anesthesia Dental Assistant)) without holding the appropriate certification.
(4) Correct or attempt to correct the malposition or malocclusion of teeth except as provided by OAR 818-042-0100 (Expanded Functions — Orthodontic Assistant (EFODA)).
(5) Adjust or attempt to adjust any orthodontic wire, fixed or removable appliance or other structure while it is in the patient’s mouth.
(6) Administer any drug except fluoride, topical anesthetic, desensitizing agents, over the counter medications per package instructions or drugs administered pursuant to OAR 818-026-0050 (Minimal Sedation Permit)(5)(a), OAR 818-026-0060 (Moderate Sedation Permit)(11), OAR 818-026-0065 (Deep Sedation Permit)(11), OAR 818-026-0070 (General Anesthesia Permit)(11) and as provided in OAR 818-042-0070 (Expanded Function Dental Assistants (EFDA)), OAR 818-042-0090 (Additional Functions of EFDAs) and OAR 818-042-0115 (Expanded Functions — Certified Anesthesia Dental Assistant).
(7) Prescribe any drug.
(8) Place periodontal packs.
(9) Start nitrous oxide.
(10) Remove stains or deposits except as provided in OAR 818-042-0070 (Expanded Function Dental Assistants (EFDA)).
(11) Use ultrasonic equipment intra-orally except as provided in OAR 818-042-0100 (Expanded Functions — Orthodontic Assistant (EFODA)).
(12) Use a high-speed handpiece or any device that is operated by a high-speed handpiece intra-orally except as provided in OAR 818-042-0095 (Restorative Functions of Dental Assistants), and only for the purpose of adjusting occlusion, contouring, and polishing restorations on the tooth or teeth that are being restored.
(13) Use lasers, except laser-curing lights.
(14) Use air abrasion or air polishing.
(15) Remove teeth or parts of tooth structure.
(16) Cement or bond any fixed prosthesis or orthodontic appliance including bands, brackets, retainers, tooth moving devices, or orthopedic appliances except as provided in OAR 818-042-0100 (Expanded Functions — Orthodontic Assistant (EFODA)).
(17) Condense and carve permanent restorative material except as provided in OAR 818-042-0095 (Restorative Functions of Dental Assistants).
(18) Place any type of retraction material subgingivally except as provided in OAR 818-042-0090 (Additional Functions of EFDAs).
(19) Apply denture relines except as provided in OAR 818-042-0090 (Additional Functions of EFDAs)(2).
(20) Expose radiographs without holding a current Certificate of Radiologic Proficiency issued by the Board (OAR 818-042-0050 (Taking of X-Rays — Exposing of Radiographic Images) and OAR 818-042-0060 (Certification — Radiologic Proficiency)) except while taking a course of instruction approved by the Oregon Health Authority, Oregon Public Health Division, Office of Environmental Public Health, Radiation Protection Services, or the Oregon Board of Dentistry.
(21) Use the behavior management techniques known as Hand Over Mouth (HOM) or Hand Over Mouth Airway Restriction (HOMAR) on any patient.
(22) Perform periodontal probing.
(23) Place or remove healing caps or healing abutments, except under direct supervision.
(24) Place implant impression copings, except under direct supervision.
(25) Any act in violation of Board statute or rules.

Source: Rule 818-042-0040 — Prohibited Acts, https://secure.­sos.­state.­or.­us/oard/view.­action?ruleNumber=818-042-0040.

Last Updated

Jun. 8, 2021

Rule 818-042-0040’s source at or​.us