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首页> 外文期刊>BMC Oral Health >Ecological determinants of effect of a free pit and fissure sealant program in Shanxi, China, 2017–2018
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Ecological determinants of effect of a free pit and fissure sealant program in Shanxi, China, 2017–2018

机译：山西省山西省自由坑和裂缝密封胶计划的生态决定因素，2017 - 2018年

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The aim of this study is to explore the spatial heterogeneity of the retention of PFS in children aged 7–9?years in Shanxi Province, North China and investigate the risk factors associated with PFS retention. In this study, 937 children aged 7–9?years from Shanxi Province, China were randomly selected, all of whom had at least one first permanent tooth sealed with PFS in 2016. The children were surveyed after 12?months (in 2017) and 24?months (in 2018). The Geo-detector model was used to explore the spatial heterogeneity of the retention rate of PFS and analyze the influence and interactions of the ecological factors on PFS. 3299 teeth from 937 children were analyzed. The PFS full retention rates after 12?months (in 2017) and 24?months (in 2018) were 81.6% and 75.1%, respectively. The incidence of caries of the first molar was 2.1% after 12?months and 5.4% after 24?months. The spatial heterogeneity of the PFS retention rate after 24?months was significant, which was shown as the retention rate of PFS increased from north to south after 24?months. Remarkably, the natural environmental factors exerted greater influence than the socioeconomic and medical resources factors after 12?months, where the interaction of fluorine in water (FW) had the strongest explanatory power of 52% (P??0.05). The medical resources were important ecological factors after 24?months, and the percentage of medical technicians (PMT) had the strongest explanatory power of 70% (P??0.05). The natural environmental factors and medical resources factors are important ecological factors determining the spatial pattern. The government should strengthen medical and technician construction in North China, comprehensively control fluoride in water, optimize the allocation of medical resources, and promote the balanced development of regional medicine.
机译：本研究的目的是探讨山西省7-9岁儿童保留PFS的空间异质性，并调查与PFS保留相关的风险因素。在本研究中，937名7-9岁的儿童距离山西省多年来，中国被随机选择，所有这些都至少有一个封闭牙齿在2016年与PFS密封。12个月（2017年）和24个月（2018年）。地理检测器模型用于探讨PFS保留率的空间异质性，并分析生态因子对PFS的影响和相互作用。分析了937名儿童的3299颗牙齿。 PFS在12个月后的全额保留率（2017年）和24个月（2018年）分别为81.6％和75.1％。 12次摩尔的龋齿发生率为2.1％，24个月后5.4％。在24个月后PFS保留率的空间异质性显着，其显示为24个月后PFS的保留率从北方增加。值得注意的是，自然环境因素的影响力比12？几个月后的社会经济和医疗资源因素产生了更大的影响，其中氟在水中的相互作用（FW）的相互作用具有52％的最强的解释力（P？＆ 0.05）。 24个月后，医疗资源是重要的生态因素，医学技术人员（PMT）的百分比具有70％的最强的解释力（P？＆？0.05）。自然环境因素和医疗资源因素是确定空间模式的重要生态因素。政府应加强华北地区的医疗技术人员建设，全面控制水中的氟，优化医疗资源的配置，促进区域医学的均衡发展。

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