Periodontal maintenance procedures involve the removal of plaque and calculus, and an evaluation geared toward identifying factors that may interfere with oral health. These visits may be scheduled every few weeks or as far apart as every six months. The dentist determines the frequency of the visits, which depends on the severity of the disease, the overall oral health, and the risk factors involved. Most people with a history of periodontal disease start with a three-month supportive periodontal treatment schedule. Each of these visits will include a review of the factors that interfere...