Dentistry is the art and science of diagnosing, treating, and preventing diseases of the teeth, jaws, and surrounding tissues of the mouth. Dental treatment includes a wide range of dental services. Some of these services focus on correcting problems of the teeth caused chiefly by dental decay. Such treatment, called restoration, often involves the use of some kind of dental filling. Other dental services deal with the prevention and treatment of diseases of the teeth …showed first 75 words of 663 total…

…showed last 75 words of 663 total…must first attend a school of dentistry. There are about 60 dental schools in the United States and about 10 in Canada. All U.S. states and Canadian provinces require that dentists be licensed to practice. To obtain a license, a person must have a D.D.S. or D.M.D. degree from an approved school and must also pass a special examination. State and local dental societies work with state governments in administering licensing examinations.