Lembariti B S, Frencken J E, Pilot T
Division of Dentistry, University of Dar es Salaam, Tanzania.
Community Dent Oral Epidemiol. 1988 Aug;16(4):240-3. doi: 10.1111/j.1600-0528.1988.tb01763.x.
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.
1982年在坦桑尼亚的莫罗戈罗区对809名成年人进行了一项评估牙周疾病患病率和严重程度的研究。他们中牙菌斑（99.6%）、牙结石（95.7%）和牙龈炎（93.8%）的患病率很高。城市人口中牙周袋深度在3.5至5.5毫米之间的人均牙齿数为3.5颗，农村人口为4.2颗。平均每人有超过5.5毫米牙周袋的牙齿，城市为0.1颗，农村为0.2颗。在45岁及以上年龄组中，城市地区人均缺失牙齿数为3.0颗，农村地区为6.9颗。除45岁及以上年龄组外，城市和农村成年人的牙周状况在统计学上没有显著差异。在这个年龄组中，农村人口中出现牙龈退缩、牙结石、牙周袋、牙龈炎和牙齿缺失的人均牙齿平均数高于城市人口。该研究表明，年轻时牙菌斑、牙结石和牙龈炎的高患病率若不治疗，并非所有人都会在老年时导致严重的牙周破坏并最终牙齿脱落。文中还介绍了该研究在规划初级卫生保健教学项目方面的影响。
