Figures 2 and 3 are illustra tions of some of the situations in which examinations have been conducted. A new classification scheme for periodontal and peri. Prevention and treatment of periodontal diseases in. All of the above materials, as well as a pdf of the full guidance, are available.
The pi is probably the most widely used periodontal index in epidemiological surveys around the world. The community periodontal index teeth protocol caused severe overestimation of up to 110. Periodontal chart department of periodontology school of. He reported no difference in the mineral content of the bone in regions of the tooth socket. Jaffar raza syed page 11 periodontal disease index by sigurd p ramfjord 1959 cal relative to the cementoenamel junction is recorded. Poor oral hygiene is a risk factor for leukaemic go. The community periodontal index cpi, which was originally developed by the world health organization to measure community oral health, is. The pdi index is primarily concerned with an accurate assessment of the periodontal status of the individual per son. Xps files, however, will only be displayed in microsoft internet explorer or any. Ramfjord the periodontal disease index is a clinicians modification of russells pi in dex for epidemiological surveys of perio dontal disease. The use of dichotomous measurements and the genetic susceptibility index are the new additions to the periodontal indices. According to russell, 9 an index is a numerical value describing the relative status of the population on a scale with a definitive upper and lower level.