摘要
目的 研究近两年北京儿童错牙合的患病情况及特点 ,同时为预防和治疗儿童的错牙合提供参考和依据。方法 对 2 0 0 0年北京地区的 2 2 4 5名 2 .5～ 6 .5岁儿童进行错牙合情况的调查 ,统计其反牙合、开牙合和牙列拥挤的患病率 ,使用SAS统计软件进行统计分析。结果 乳牙列和混合牙列早期错牙合的患病率以反牙合为最高 ,其次是牙列拥挤 ,开牙合患病率最低 ;所调查的儿童错牙合总患病率 ,乳牙列为 9.74 % ,混合牙列为 11.17% ;反牙合的类型以前牙反牙合的患病率最高 ,郊区高于市区。结论 各种错牙合中反牙合的患病率最高 ,前牙区反牙合最常见 ,郊区高于市区 ;所调查的其他各种错牙合患病率 ,乳牙列和混合牙列早期。
Objective To study the prevalence and distribution of malocclusion among the children in Beijing,and to provide reference for the prevention and care of malocclusion.Methods A total of 2245 boys and girls (age range 2.5 ～ 6.5 years)were examined in the kindergarden.A cross-sectional study was used to get the prevalence of the cross-bite,open-bite and crowding.SAS was used for statistical analysis.Results 9.74 % of the examined children with deciduous dentition and 11.17 % of the children with early mixed dentition had cross-bite,open-bite or crowding.The suburb children showed a higher frequency of anterior cross-bite than the urban children.Conclusion The highest prevalence of the malocclusion was cross-bite. There is no statistical difference in the prevalence of the other malocclusion between the urban children and the suburb children.
出处
《现代口腔医学杂志》
CAS
CSCD
2002年第6期543-545,共3页
Journal of Modern Stomatology
