甘肃省12岁儿童牙周健康和相关知识行为分析

Periodontal health status and its corralation with oral health knowledge among 12-year-old children in Gansu Province

目的:分析甘肃省12岁儿童牙周健康状况及相关知识行为。方法:按照第三次全国口腔健康流行病学调查标准和方法,采用多阶段分层等容量随机抽样方法,对甘肃省791名12岁儿童进行了牙周健康状况检查并对其中431人进行了相关知识行为问卷调查。结果:牙龈出血、牙石检出率为82.8%、69.7%,平均检出牙数8.1和4.4个;牙龈出血最高的牙位是第一磨牙,牙石为下颌中切牙和侧切牙,左右同名牙检出率差异无统计学意义(P>0.05);每天刷牙率为73.1%,牙线使用率1.9%,54.5%的儿童不知道细菌是引起牙龈炎的原因,49.4%的儿童认为清洁牙齿对预防牙龈出血有作用,52.4%的儿童牙龈出血后采取清水漱口措施。结论:牙龈出血率高且口腔卫生状况不佳;牙周健康相关知识认知不足、保健行为差。建议加强学龄儿童口腔健康教育力度,使其能够掌握较全面的口腔保健知识,从小养成良好的口腔卫生行为,有效改善甘肃儿童牙周健康状况。

AIM： To investigate the periodontal health status and its corralation with oral health knowledge among 12-year-old children in Gansu Province.METHODS：An equal-sized,stratified multi stage random sampling design was applied according to the standards and methods of the Third National Oral Health Epidemiological Investigation.A total of 791 children aged 12-year-old received periodontal health examination.Among them,431 answered a questionnaire relating to their oral health knowledge and behavior.RESULTS：The gingival bleeding and dental calculus rates were 82.8% and 69.7% respectively.First molars showed the highest bleeding rates.Mandibular central and lateral incisors showed the highest calculus rates.No statistical significance was found between the left and right side of the teeth（P0.05）.Among the children who answered the questionnaire,73.1% of the children brushed their teech daily,but only 1.9% used dental floss.54.5% of the children did not know bacteria was the cause of gingivitis.49.4% believed that toothcleaning can prevent gingival bleeding.52.4% gargled with clear water to alleviate gingival bleeding.CONCLUSION：Gingival bleeding rate is high and oral hygiene status is poor.The children investigated showed lack of periodontal health knowledge.Oral health education should be strengthened among school children in the area.