Objective The aim of this cross-sectional study was to know about the current situation of dental caries and to determine its related risk factors in pupils of Shandong Province, thus providing basis for oral health interventions in primary schools. Methods Based on the aim of the investigation, pupils’ oral health examination form as well as pupils’ and parents’ oral health questionnaire were designed. Stratified sampling method was used to select samples for the investigation. Data were analyzed with software such as Fox-pro6. 0 and SPSS13. 0. Results A total of 1126 pupils, including 581 males and 545 females, were surveyed. The percentage of pri-mary caries was 46. 80% and the DMFT was 1. 46±2. 111(mean ± SD), the percentage of primary permanent teeth caries was 12. 61% and the DMFT was 0. 21±0. 630(mean±SD). The parents’ educational level(P=0. 047) and their estimate of their children’ oral health (P<0. 001) were strongly associated with the prevalence of caries. Conclusion Risk factors found out in the investigation should be taken into account in strengthening the oral health education of pupils and their parents.%目的：了解山东省小学生口腔健康状况及龋病危险因素,为采取小学校口腔健康干预措施提供依据。方法根据调查目的设计小学生口腔健康检查表、小学生口腔健康问卷以及家长口腔健康问卷,采用分层随机抽样的方法选择调查班级进行调查。并对调查结果进行多因素分析。结果调查总人数为1126人,男生581人,女生545人,乳牙患龋率为46.84%,龋均为1.46±2.111,恒牙患龋率为12.61%,龋均为0.21±0.630。多因素分析发现小学生患龋和家长受教育程度(P=0.047)、家长对小学生口腔状况的评估(P<0.001)等因素有关。结论应结合调查分析发现的危险因素,有针对性的加强对小学生及家长的口腔健康教育。
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