Clinical parameters associated with periodontitis in untreated persons
East African Medical Journal, Volume 74, No. 7, Year 1997
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The purpose of this study was to investigate the relationship between clinical parameters and periodontitis in a population receiving no regular prophylactic dental care. From a sample of 164 adult rural and urban Tanzanian subjects aged between 30 and 44 years, 16% were identified with periodontitis according to the criteria that at least three teeth had a probing depth ≥ 6 mm. Subjects with periodontitis in this sample exhibited a much higher bleeding tendency (at sites where periodontal pockets did not exist) than subjects without periodontitis, but dental plaque scores were comparable. Sensitivity and specificity values and odds ratios indicated a strong association between bleeding on probing and the presence of periodontitis. This may indicate that people from a population deprived of regular dental care with a high tendency of bleeding on probing are more prone to develop periodontitis. Whether bleeding on probing could serve as a marker in this population to identify subjects who develop futu re periodontal destruction has to be explored through further longitudinal studies.