deciduous tooth 乳牙 ; 幼儿乳牙 ; 暂牙
retained deciduous tooth [口腔] 乳牙滞留
remnants of deciduous tooth [口腔] 乳牙残余
deciduous tooth retention 乳牙滞留
submerged deciduous tooth 易形成低位乳牙
deciduous tooth exfoliation 乳牙替换
premature shedding of deciduous tooth [口腔] 乳牙早失
The permanent tooth germ plays an important role in physiological root resorption of deciduous tooth, but not the alone factor.
恒牙胚是引起乳牙生理性根吸收的重要因素，但却非唯一的因素。
Root resorption of deciduous tooth without permanent tooth germ was significantly delayed than the deciduous tooth with permanent tooth germ.
恒牙胚缺失的乳牙牙根吸收明显晚于恒牙胚存在的乳牙。
Some had different degree defect of dentition, deciduous tooth retention, caries or periodontitis.
有些病例伴有牙列缺损，有些病例还有乳牙滞留、龋病、牙周病等。
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