Expanded Function Dental Assistant-1 Keystone HealthExpanded Function Dental Assistant-1Keystone, COEFDA duties are as follows: assisting the dentist and hygienist chair side, reception, inventory, maintenance of patient records, preparation and sterilization of instruments/equipment, capturing radiographs, providing knowledge of oral hygiene instruction/education to patients, tidiness of treatment areas, and assisting the rest of the dental team in expediting patient care whenever possible. LICENSES and CERTIFICATION: Certification in Dental Radiology in the state of Pennsylvania and maintains a current Pennsylvania Expanded Functions License.