Prevalence and severity of periodontal conditions among adults in urban and rural Morogoro, Tanzania

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Abstract
A study to assess the prevalence and severity of periodontal conditions among 809 adults in Tanzania was carried out in 1982 in Morogoro District. The prevalence of plaque (99.6%), calculus (95.7%) and gingivitis (93.8%) among them was high. The mean number of teeth per person with pockets between 3.5 and 5.5 mm was 3.5 for the urban and 4.2 for the rural population. Pockets of more than 5.5 mm were found on average in 0.1 (urban) and 0.2 (rural) teeth per person. In the 45+ age group on average 3.0 teeth per person were missing in urban areas and 6.9 teeth in rural areas. There were no statistically significant differences found in periodontal conditions between urban and rural adults, except for the 45+ age group. In this age group a higher mean number of teeth per person with recession, calculus, pockets, gingivitis and missing were found among the rural than the urban population. The study suggests that high prevalence of plaque, calculus and gingivitis at a young age, if untreated, does not lead for all persons to severe periodontal breakdown with ultimately tooth loss in old age in this population. Effects of the study in terms of planning primary health care teaching programs have been presented.

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