1. (a) A dental assistant shall perform the following duties under general supervision, as defined in Den 101.11 and arranged by degree of supervision in Den 302.02:

   1. (1) Sterilize instruments;
   2. (2) Organize and arrange instruments on bracket tables;
   3. (3) Seat patient, place protective materials or garments including the lubrication of such patient's lips;
   4. (4) Reorganize instruments and equipment after the patient has departed;
   5. (5) Process dental radiographs;
   6. (6) Function as a dental laboratory technician;
   7. (7) Perform tests on saliva;
   8. (8) Train or instruct groups or individual patients in techniques of oral hygiene and mouth care; and
   9. (9) Take the blood pressure of a patient.

2. (b) A dental assistant shall perform the following duties under direct supervision, as defined in Den 101.10 and arranged by degree of supervision in Den 302.02:

   1. (1) Retract a patient's cheek, tongue or other oral tissues during a dental operation;
   2. (2) Assist with the placement or removal of a rubber dam and accessories used for its placement and retention, as directed by an operating dentist during the course of a dental operation;
   3. (3) Remove such debris as is normally created or accumulated during the course of treatment being rendered by a licensed dentist by the use of vacuum devices, compressed air, mouth washes and water; and
   4. (4) Place cotton rolls and topical anesthesia prior to delivery of local anesthesia by a dentist or dental hygienist.
3. (c) Before qualifying to perform the duties delineated in Den 401.01 (d), any dental assistant, other than a certified dental assistant or graduate dental assistant, shall qualify in infection control in the dental office as stated in Den 302.06(b).

4. (d) A dental assistant shall perform the following duties pursuant to the definition of "Public Health Supervision" as set forth in Den 302.02 (d)(2) to assist a CPHDH:

   1. (1) Process and sterilize instruments and perform infection control;
   2. (2) Organize and arrange instruments on bracket tables;
   3. (3) Seat patient, place protective materials or garments including the lubrication of such patient's lips;
   4. (4) Reorganize instruments and equipment after the patient has departed the healthcare facility;
   5. (5) Process dental radiographs;
   6. (6) Train or instruct groups or individual patients in techniques of oral hygiene and mouth care;
   7. (7) Retract a patient's cheek, tongue or other oral tissues during a dental hygiene and remove such debris as is normally created or accumulated during the course of treatment being rendered by a CPHDH by the use of vacuum devices, compressed air, mouthwashes and water; and
   8. (8) Assist with the placement or removal of a rubber dam and accessories used for its placement and retention, as directed by an operating CPHDH during the course of a dental hygiene operation.

5. (e) If qualified pursuant to Den 302.06, a dental assistant shall be eligible to:

   1. (1) Take dental and medical histories;
   2. (2) Apply topical fluoride after prophylaxis by a licensed professional;
   3. (3) Apply non-prescription topical anesthesia;
   4. (4) Apply non-prescription desensitizing agents to the cementum and dentin;
   5. (5) Take and record blood pressure;
   6. (6) Select impression trays, seat, hold, remove, and pour impressions for study models, single arch athletic mouthguards, and custom fluoride trays;
   7. (7) Insert athletic mouthguards;
   8. (8) Perform dental radiography;
   9. (9) Pit and fissure sealants;
   10. (10) Perform coronal polishing; and
   11. (11) Conduct preliminary oral inspection.

Source. #287.2, eff 1-17-74; ss by #2981, eff 2-28-85; amd by #4298, eff 7-28-87; ss by #5110, eff 4-4-91, EXPIRED: 4-4-97 New. #6909, eff 12-9-98; amd by #7970, eff 10-10-03; amd by #8584, eff 3-16-06; ss by #8838, eff 3-9-07; amd by #8963, eff 8-16-07; ss by #10794, eff 3-7-15; ss by #10991, eff 12-9-15; ss by #12428, eff 12-6-17