Regular dental examination is an important part of preventive health care.During a dental exam, the dentist or hygienist will clean your teeth and check for cavities and gum disease. The dentist or hygienist will also evaluate your risk of developing other oral health problems, as well as check your face, neck and mouth for abnormalities. A dental exam might also include dental X-rays (radiographs) or other diagnostic procedures.During a dental exam, the dentist or hygienist will likely discuss your diet and oral hygiene habits and might demonstrate proper brushing and flossing techniques. Other topics for discussion might include lifestyle factors that can affect oral health and possible cosmetic improvements to your teeth.