结论老年人群中口腔卫生知识水平不够理想。
Results There was no difference between mental professionals and physical laborers about the basic knowledge of oral health-care.
方法：对80岁以上老年人口腔卫生知识问卷调查。
Method: Questionnaires were performed about oral health care in the elderly patients and the results were analyzed statistically.
结论应采取口腔健康教育措施，提高小学生口腔卫生知识水平，并培养他们养成良好的口腔卫生习惯。
Dental health education should be implemented to promote their health knowledge and help them form correct health habits.
结果：5年后实验区农民口腔卫生知识知晓率和刷牙率显著提高，与对照区比较有非常显著性差异（P<0.001）。
Results: After 5 years, we found that the rate of knowing oral hygiene and brushing teeth has raised significantly in testing area, and was higher than that in control group( P< 0.001) .
结果：5年后实验区农民口腔卫生知识知晓率和刷牙率显著提高，与对照区比较有非常显著性差异（P<0.001）。
Results: After 5 years, we found that the rate of knowing oral hygiene and brushing teeth has raised significantly in testing area, and was higher than that in control group( P< 0.001) .
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