25 年跨度的两次瑞士（伯尔尼）随机队列中牙周状况的趋势。
Trends of periodontal conditions in two different randomly selected Swiss (Bernese) cohorts 25 years apart.
机构信息
School of Dental Medicine, University of Bern, Bern, Switzerland.
出版信息
J Clin Periodontol. 2015 Oct;42(10):893-9. doi: 10.1111/jcpe.12458. Epub 2015 Oct 16.
AIM
To assess the periodontal conditions of two randomly selected Swiss cohorts 25 years apart.
MATERIAL AND METHODS
Standardized examinations were performed to assess the periodontal conditions of two randomly selected populations of the Canton of Bern; oral cleanliness was evaluated using the plaque index (PlI) and the retention index (RI). Gingival health was scored according to the gingival index (GI). Periodontal conditions were evaluated by pocket probing depth (PPD) and loss of attachment (LA).
RESULTS
At the first examination in 1985, 206 out of 350 subjects were evaluated, while in the second examination in 2010, 134 out of 490 subjects attended the examinations. In 1985, subjects showed a mean PlI of 1.16, and 0.77 in 2010. RI was 0.81 and 0.36 in 1985 and 2010 respectively. Mean GI was 1.34 and 0.6. The mean proportion of PPD ≤3 mm was 72% in 1985 and 97.3% in 2010. PPD ≥ 6 mm affected 2.0% in 1985 and 0.3% in 2010. In 1985, subjects had an average of 20.7 teeth, while in 2010, the average was 24.6. In 1985, 7.3% of the subjects were edentulous, while in 2010, 4.5% had no teeth.
CONCLUSIONS
Trends to improvements resulting in more teeth in function and better periodontal conditions were recognized.
目的
评估相隔 25 年的两个随机选择的瑞士队列的牙周状况。
材料与方法
对伯尔尼州两个随机选择的人群进行了标准化检查，以评估牙周状况；使用菌斑指数（PlI）和保留指数（RI）评估口腔清洁度。根据牙龈指数（GI）对牙龈健康状况进行评分。通过牙周袋探诊深度（PPD）和附着丧失（LA）评估牙周状况。
结果
在 1985 年的第一次检查中，评估了 350 名受试者中的 206 名，而在 2010 年的第二次检查中，490 名受试者中有 134 名参加了检查。1985 年，受试者的平均 PlI 为 1.16，而 2010 年为 0.77。RI 分别为 0.81 和 0.36。平均 GI 为 1.34 和 0.6。1985 年 PPD≤3mm 的比例为 72%，2010 年为 97.3%。1985 年 PPD≥6mm 的比例为 2.0%，2010 年为 0.3%。1985 年，受试者平均有 20.7 颗牙齿，而 2010 年平均为 24.6 颗。1985 年，7.3%的受试者无牙，而 2010 年，4.5%的受试者无牙。
结论
发现改善趋势，更多的牙齿在功能上和更好的牙周状况。
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