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Dental assistants may perform a variety of patient care, office, and laboratory duties. They sterilize and disinfect instruments and equipment, prepare and lay out the instruments and materials required to treat each patient, and obtain and update patients’ dental records. Assistants make patients comfortable in the dental chair and prepare them for treatment. During dental procedures, assistants work alongside the dentist to provide assistance. They hand instruments and materials to dentists and keep patients’ mouths dry and clear by using suction hoses or other devices. They may also instruct patients on postoperative and general oral healthcare.
Dental assistants may prepare materials for impressions and restorations, and process dental x rays as directed by a dentist. They also may remove sutures, apply topical anesthetics to gums or cavity-preventive agents to teeth, remove excess cement used in the filling process, and place dental dams to isolate teeth for treatment. Many States are expanding dental assistants’ duties to include tasks such as coronal polishing and restorative dentistry functions for those assistants who meet specific training and experience requirements.
Dental assistants with laboratory duties make casts of the teeth and mouth from impressions, clean and polish removable appliances, and make temporary crowns. Those with office duties schedule and confirm appointments, receive patients, keep treatment records, send bills, receive payments, and order dental supplies and materials.
Dental assistants usually work closely with, and under the supervision of, dentists. (See the statement on dentists elsewhere in the Handbook.) Additionally, dental assistants should not be confused with dental hygienists, who are licensed to perform a different set of clinical tasks. (See the statement on dental hygienists elsewhere in the Handbook.)
Work environment. Dental assistants may work in a well-lighted, clean environment. Their work area is usually near the dental chair so that they may arrange instruments, materials, and medication and hand them to the dentist when needed. Dental assistants must wear gloves, masks, eyewear, and protective clothing to protect themselves and their patients from infectious diseases. Assistants also follow safety procedures to minimize the risks associated with the use of x-ray machines.