They remove decay and fill cavities, examine x-rays, place protective plastic sealants on children s teeth, straighten teeth and repair fractured teeth. They perform corrective surgery of the gums and supporting bones to treat gum diseases. Dentists extract teeth and make molds and measurements for dentures to replace missing teeth. Dentists in private practice oversee a variety of administrative tasks, including bookkeeping and buying equipment and supplies. They may employ and supervise dental hygienists, assistants, laboratory technicians and receptionists.
Most dentists are general practitioners who handle a wide variety of dental needs.
Other dentists practice in one of eight specialty areas. Orthodontists, the largest group of specialists, straighten teeth. To qualify, candidates must graduate from a dental school accredited by the American Dental Association Commission on Dental Ac-creditation and pass written and practical exams. Most dental students have at least a bachelor s degree. Pre-dental education emphasizes science courses.