论文部分内容阅读
刷牙是口腔卫生措施中最有效的方法。而牙刷的质量与刷牙的效果有着直接的关键。为了解我市学生用牙刷的质量,我们于1992年3月抽测了我市14个大中型国营商店出售的牙刷,现将抽测结果报告如下: 1 监测对象与方法1.1 对象:我市大中型国营商店主要分布在涧西区、西工区,老城区,按照随机抽样的原则在这三个区随机抽取了14个大中型国营商店,对每个商店出售的所有品种的牙刷进行采样,共采集牙刷品种97个1.2 测量工具:用钢直尺,分规、干分尺等工具。1.3 监测标准及测量内容:按照国家《儿童少年用牙
Brushing is the most effective method of oral hygiene. The quality of the toothbrush and the effect of brushing has a direct key. In order to understand the quality of our city’s students with toothbrushes, we sampled the toothbrushes sold in 14 large and medium-sized state-owned shops in our city in March 1992. The results of the tests are reported as follows: 1 Monitoring objects and methods 1.1 Target: Large and medium- Stores are mainly distributed in Jianxi District, West District, the old city, in accordance with the principle of random sampling in the three districts were randomly selected 14 large and medium-sized state-run stores, each store for all varieties of toothbrush sampling, a total collection of toothbrush varieties 97 1.2 Measuring Tools: Steel ruler, sub-regulation, dry points and other tools. 1.3 Monitoring standards and measurement content: According to the national "children and adolescents teeth