成都市2019年8～9岁学生龋病流行情况分析

目的 了解2019年成都市8～9岁学生口腔健康状况，为制定学生口腔疾病防治工作提供参考依据。 方法 采用普查对成都151 212名8～9岁学生开展口腔健康检查。结果 2019年成都市8～9岁学生患龋率为69.82%（乳牙63.37%，恒牙29.76%），龋均（3.47±3.51）［乳牙（2.78±2.97），恒牙（0.69±1.27）］，显著性龋均指数（SiC）（8.00±2.33）［乳牙（6.64±1.91），恒牙（2.31±1.27）］。以乳牙患龋为主，同时伴恒牙患龋。郊区（73.51%）患龋率高于城区（68.32%）。完全充填率4.95%，部分充填率14.23%，未充填率80.81%，第一恒磨牙窝沟封闭率10.78%，城区（13.80%）高于郊区（3.39%）。结论 成都市8～9岁学生口腔健康状况不容乐观，口腔防治应关口前移，开展综合防治措施降低患龋率。

Analysis of caries prevalence among students aged 8 to 9 years in Chengdu, 2019

Objective To understand the oral health status of students aged 8 to 9 years in Chengdu in 2019, and to provide a reference basis for formulating the prevention and treatment of oral diseases among students. Methods A census was performed among 151 212 students aged 8 to 9 years in Chengdu for oral health examination. Results The caries rate of students aged 8 to 9 years in Chengdu in 2019 was 69.82% (63.37% for primary teeth and 29.76% for permanent teeth), the mean was 3.47±3.51 (2.78±2.97 for primary teeth and 0.69±1.27 for permanent teeth), and the significant caries mean index (SiC) was 8.00±2.33 (6.64±1.91 for primary teeth and 2.31±1.27 for permanent teeth). The caries in the primary teeth was predominant, accompanied by caries in the permanent teeth. The caries rate was higher in the suburban area (73.51%) than in the urban area (68.32%). The complete filling rate was 4.95%, partial filling rate was 14.23%, unfilled rate was 80.81%, and the rate of fissure sealing of first permanent molar was 10.78%, which was higher in urban area (13.80%) than in suburban area (3.39%). Conclusion The oral health condition of students aged 8 to 9 years in Chengdu is not optimistic. The critical pass for oral prevention and treatment should be moved forward at earlier age, and comprehensive prevention and treatment measures should be carried out to reduce the caries rate.