As used in this subpart:

1. (1) “Certified dental assistant” means a dental assistant who is currently certified by the Dental Assisting National Board;
2. (2) “Dental assistant” means a staff member of a duly licensed dentist who is involved in direct patient care to include a certified dental assistant or a registered dental assistant; and

3. (3) “Registered dental assistant” means a dental assistant who has obtained a permit or permits from the Arkansas State Board of Dental Examiners to perform any or all of the following expanded duties:

   1. (A) Administration of nitrous oxide/oxygen analgesia;
   2. (B) Operation of dental radiographic equipment;
   3. (C) Coronal polishing; and
   4. (D) Monitoring of patients undergoing deep sedation or general anesthesia.