It is important to have an exam with a dentist every 6 months, as recommended by the American Dental Association. During an exam, the dentist checks the health of your teeth and gums. The dentist looks for things like cavities and problem areas that may become cavities. For young patients the dentist checks to make sure baby teeth are healthy, that adult teeth are growing and coming in to the mouth in the right places, and that there will be room for the new teeth. The dentist will also looks for lumps or bumps that may indicate something is abnormal, and needs further diagnostic treatment.