Yes, and for many people, once every six months is not often enough. Besides checking for cavities, your dentist and hygienist are evaluating the health of your gums for possible gum disease, which may harbor bacteria or infection that could create other health problems. Your head and neck region are examined for infection and oral cancer, since many diseases of the body show symptoms and signs in the oral cavity. To ensure the best preventive care for you and your body, visiting your dentist at least twice a year is recommended.