They examine X-ray images of teeth for cracks and defects. Dentists also apply sealants and repair fractured teeth. They may make molds to replace missing or pulled teeth. Sometimes they apply crowns to strengthen teeth. Dentists instruct patients on proper brushing, flossing, and use of fluorides.
Dentists use instruments such as drills, mirrors, and scalpels.
They give anesthetics and write prescriptions. Dentists often hire dental hygienists to handle routine preventive care, such as cleaning teeth. This allows the dentist to focus on more difficult dental procedures. Dentists in private practice have administrative tasks. They may supervise bookkeeping and billing.