Objective To evaluate the interactions between environmental and genetic effects on the development of mandibular permanent molars 'axis.
目的评价遗传、环境因素在下颌磨牙长轴方向变化中的作用。
Objective To evaluate the interactions between environmental and genetic effects on the development of mandibular permanent molars 'axis.
目的评价遗传、环境因素在下颌磨牙长轴方向变化中的作用。
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