【摘要】 目的调查上海市长宁区202名6个月婴儿3年乳牙患龋率及龋均。方法采用整群抽样方法抽取长宁区北新泾街道、仙霞街道、新泾镇2004年1—6月份出生的沪籍婴儿共202名,追踪观察3年,每年对乳牙患龋率、龋均等指标作调查统计。结果202名婴儿0.5岁、1.5岁、2.5岁、3.5岁乳牙患龋率分别为0%,1.98%,17.82%,37.13%,龋均分别为0,0.03,0.71,1.63。1.5岁、2.5岁、3.5岁组间乳牙患龋率和龋均均有显著性差异(P<0.01),各组男女间乳牙患龋率和龋均无显著性差异(P>0.05)。结论婴幼儿乳牙患龋率和龋均随着年龄增长上升明显,口腔预防保健工作应注重乳牙龋的早期预防,重视婴幼儿期口腔保健。更多还原

【Abstract】 Objective To investigate the prevalence and average of deciduous teeth caries of 202 infants for three years in Changning distract.Methods A total of 202 infants born from January to June,2004 were recruited through cluster sampling,observed for three years.Results The prevalences of 0.5 year old,1.5 year old,2.5 year old and 3.5 year old was 0%,1.98%,17.82% and 37.13%,respectively.The averages of 0.5 year old,1.5 year old,2.5 year old and 3.5 year old was 0%,0.03,0.71 and 1.63,respectively.There were obvious significant differences between the ages,but no significant differences was found between sexes.Conclusion The prevalence and average prevalence of deciduous teeth caries increased as kids grow up.Early prevention of deciduous teeth caries was important for oral protection.更多还原