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用1%四氯四碘荧光素B作菌斑显示剂,对1645名城乡男女中小学生进行牙菌斑指数的调查;并采用询问评分法,了解和评价口腔卫生状况和卫生行为。结果表明,城乡、男女及不同年龄组的牙斑指数呈显著性差异(P<0.01);口腔卫生状况和口腔卫生行为亦显示城市好于乡村、女好于男、大年龄组好于小年龄组。指出牙斑指数能客观。灵敏、定量地反映群体口腔卫生状况,而询问评分的可靠性则较差。强调必须切实加强中小学生口腔卫生教育。
1% tetrachloro tetraiodo-fluorescein B was used as plaque marker to investigate the plaque index of 1645 primary and secondary school students in urban and rural areas. The questionnaire was used to understand and evaluate the oral hygiene and hygiene behaviors. The results showed that there was a significant difference in dental plaque index between urban and rural areas, men and women and different age groups (P <0.01). Oral health status and oral hygiene behavior also showed that urban areas were better than rural areas and women were better than men and older age groups than younger age groups group. Point out that the index of plaque can be objective. Sensitive and quantitative reflect the oral health status of the population, and asked the reliability of the score is poor. Emphasizes the necessity of earnestly strengthening primary and middle school students oral hygiene education.