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在五省体格发育一年纵向观察中,对城乡2938名3岁以下儿童的前囟闭合、乳牙萌出及1949名5岁以上儿童的恒齿萌出进行观察。得出了前囟闭合,乳牙萌出,恒齿萌出的数据资料。本文讨论了出牙规律,影响因素以及与体格发育的关系。
In one year longitudinal development in five provinces, we observed the anterior crescent closure, the eruption of deciduous teeth and the eruption of permanent teeth in 1949 children aged 5 years and above in 2938 children under 3 years old in urban and rural areas. Obtained anterior fontanelle closed, eruption of deciduous teeth, eruption of permanent teeth data. This article discusses the teething law, influencing factors and the relationship with physical development.