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目的:了解嘉兴市儿童牙齿发育异常的发生情况。方法:由口腔医生用平面口镜在自然光线下进行乳牙融合牙、乳牙先天缺失检查。结果:乳牙融合牙发生率为1.83%,融合牙并发继承恒牙先天缺失占56.25%;乳牙先天缺失率为2.10%,乳牙先天缺失并继承恒牙先天缺失占71.70%。结论:对乳牙融合牙、乳牙先天缺失儿童应定期复查,密切观察其发生和发展情况,采取措施,保护口腔健康。
Objective: To understand the occurrence of abnormal dental development in children in Jiaxing. Methods: Stomatology was performed by a dentist under natural light to examine the deciduous teeth. Results: The rate of congenital deciduous teeth was 1.83%. The congenital defects of fusion teeth inherited 56.25%. The rate of congenital absence of primary teeth was 2.10%. The congenital absence of primary teeth and the inheritance of congenital absence of permanent teeth accounted for 71.70%. Conclusion: The children with congenital absence of primary teeth and deciduous teeth should be regularly reviewed, the occurrence and development of deciduous teeth should be observed regularly, and measures should be taken to protect oral health.