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我们于1993年春调查了济南市天桥区6所幼儿园1238名3～6岁儿童反(牙合)畸形的患病情况,报告如下。1 对象和方法选择3～6岁乳牙(牙合)为调查对象,调查时采用自然光线,常规检查器械,依据黄金芳主编《口腔正畸学》诊断标准,按毛燮均错(牙合)分类法作出诊断,再填写调查表(发53份,收48份).2.结果与分析2.1 调查1238人(男702人,女536人),患反(牙合)畸形者53人(男27人、女26人)。患病率4.3％,男女患病率分别为3.8％、4.9％,x~2=0.76,P>0.05,
In the spring of 1993, we investigated the prevalence of anti-occlusion deformities in 1238 children aged 3-6 years in 6 kindergartens in Tianqiao District, Jinan City. The report is as follows. 1 Subjects and Methods Aged 3-6-year-old deciduous teeth (occlusal) as the survey subjects, the survey using natural light, routine examination equipment, according to Huang Jin Fang editor of “Orthodontics” diagnostic criteria, according to Mao Xie are wrong (occlusion) classification Make a diagnosis, and then fill out the questionnaire (sent 53, received 48 copies) .2 Results and Analysis 2.1 Survey of 1238 (male 702, female 536), 53 people with anti-malocclusion (male 27 , 26 females). The prevalence was 4.3%. The prevalence rates of males and females were 3.8%, 4.9%, x ~ 2 = 0.76, P> 0.05,