Only six selected teeth are scored for assessment of the periodontal status of the oral cavity, which are 16, 21, 24, 36, 41, 44. Use the link below to share a fulltext version of this article with your friends and colleagues. He reported no difference in the mineral content of the bone in regions of the tooth socket. Periodontal indices have evolved from the simple russell s index to the current usage of measurement of clinical attachment level in the recording of indices. View the article pdf and any associated supplements and figures for a period of 48 hours. The pi is probably the most widely used periodontal index in epidemiological surveys around the world.
If the gingival crevice extends apically to the cementoenamel junction, the tooth is assigned a higher periodontal disease index score and the gingivitis score for the same tooth is then disregarded. The use of dichotomous measurements and the genetic susceptibility index are the new additions to the periodontal indices. All of the above materials, as well as a pdf of the full guidance, are available. The community periodontal index cpi, which was originally developed by the world health organization to measure community oral health, is. School of public health and school of dentistry, university of michigan. Figures 2 and 3 are illustra tions of some of the situations in which examinations have been conducted. Epidemiology and indices of gingival and periodontal disease. The pdi index is primarily concerned with an accurate assessment of the periodontal status of the individual per son. A new classification scheme for periodontal and peri. Periodontal chart department of periodontology school of.
Ramfjord the periodontal disease index is a clinicians modification of russells pi in dex for epidemiological surveys of perio dontal disease. Prevention and treatment of periodontal diseases in. Jaffar raza syed page 11 periodontal disease index by sigurd p ramfjord 1959 cal relative to the cementoenamel junction is recorded. 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. The community periodontal index teeth protocol caused severe overestimation of up to 110. Poor oral hygiene is a risk factor for leukaemic go. Xps files, however, will only be displayed in microsoft internet explorer or any. By using indices which have been carefully defined, comparisons can be made between different population groups. The bpe was developed from the community periodontal index of treatment need. Figure 2 shows the examination in progress in osegere, in western nigeria, and figure 3 the examination room and instruments in.
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