Dentist in Sterling VA Dental Exam & Cleaning Preventative care is a foundation of dentistry. The American Dental Association recommends visiting your dentist in 20164 regularly – usually about twice yearly – for full cleaning, examinations, and consultations for potential treatment. Professional dental cleaning help remove built-up plaque that is not removable using conventional brushing and flossing. Often, dentists are also capable of identifying potential problems that patients are not yet able to see or feel. When you maintain regular preventative dental appointments, you can stave off decay and gum disease, as well as identify the beginnings of oral health problems before they become severe.