Prepares and arranges instrument trays (some sterile trays) for clinic use; explains procedures and provides support to patients; passes instruments to the dentist during dental procedures; mixes impression and filling material; operates oral evacuation equipment, retractors, and water and air sprays; monitors the patient''s behavior and vital signs upon request from the doctor; completes patient''s records for operative procedures, charges, and reappointments; clears and cleans the operatory and instruments; takes routine x-rays and photographs such as bite wings; processes and mounts film; instructs patient, family, and/or health care staff in basic oral hygiene; may maintain records and recall system, answer phone, type some records or correspondence. It is responsible for ensuring the health, safety, and well-being of all North Carolinians, providing human service needs for special populations including individuals who are deaf, blind, developmentally disabled, and mentally ill, and helping poor North Carolinians achieve economic independence.