There are about 825 dentists practicing in DC. These dentists practice in various specialties including general dentistry, cosmetic dentistry, periodontics, and orthodontics. Many DC dentists are part of the DC Dental Association and are knowledgeable and skilled in their field of dentistry. The national average for dentists per person is one out of every 1,650 residents. In DC, the ratio is one dentist for every 1,478 people within the state.