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目的:观察评估青年人群的牙周病状况,以及干预措施对控制牙周病发展的作用。方法:纳入153名医学院学生,随机分为A组(接受干预措施)和B组(未接受干预措施),随访3 a。A组受试者纳入后进行口腔卫生宣教,详细讲解牙刷的选择、刷牙方式,牙线、牙缝刷的使用,同时根据纳入者实际情况给予牙周基础治疗,每隔半年再次进行口腔卫生宣教、牙周维护治疗,加强菌斑控制。比较随访前、后指数牙的菌斑软垢指数(debris index,DI)、牙石指数(calculus index,CI)、探诊深度(probing depth,PD)、临床附着丧失(clinical attachment loss,CAL)、探诊出血(bleeding on probing,BOP)和牙龈指数(gingival index,GI)的变化。采用SAS6.12软件包对数据进行统计学分析。结果:3年后,实验组的CI、DI评分和基线相比显著下降(P<0.01),对照组和基线相比无显著差异(P>0.05)。实验组和对照组之间PD、BOP、GI变化有显著差异(P<0.01),CAL的变化也有显著差异(P<0.05),对照组CAL的增加显著高于实验组。结论:定期牙周健康维护及口腔卫生教育对人群牙周健康水平有积极影响。
OBJECTIVE: To observe and evaluate the status of periodontal disease in young people and the effect of interventions on controlling the development of periodontal disease. Methods: A total of 153 medical college students were enrolled and randomly divided into group A (interventions) and group B (no interventions), followed up for 3 years. A group of subjects included in oral hygiene missionary, to explain in detail the choice of toothbrush, brushing, floss, dental brush use, according to the actual conditions of those involved in periodontal treatment, oral hygiene education again every six months , Periodontal maintenance treatment, strengthen plaque control. The indexes of debris index (DI), calculus index (CI), probing depth (PD), clinical attachment loss (CAL) Bleeding on probing (BOP) and gingival index (GI) changes. SAS6.12 software package for statistical analysis of the data. Results: After 3 years, the CI and DI scores of the experimental group decreased significantly compared with the baseline (P <0.01), but there was no significant difference between the control group and the baseline (P> 0.05). There were significant differences in the changes of PD, BOP and GI between the experimental group and the control group (P <0.01) and the changes of the CAL (P <0.05). The increase of CAL in the control group was significantly higher than that in the experimental group. CONCLUSIONS: Regular periodontal health care and oral hygiene education have a positive effect on the periodontal health status of the population.