目的建立正畸牙移动的实验动物模型。
Objective to establish an animal model for research of orthodontic tooth movement.
目的探讨正畸治疗中骨龄与牙移动速率的关系。
Objective To investigate the relation between the skeletal age and the rate of tooth movement.
目的研究牙槽骨高度对垂直移动的影响。
Objective To study the effects of alveolar bone height on vertical movement.
上下移动送布牙调节高度，然后拧紧紧固螺丝。
Move the feed DOG up or down to perform adjustment, then securely tighten the screw.
目的研究牙槽骨高度对旋转移动的影响。
Objective to study the effect of alveolar bone height to tooth rotation.
目的研究牙槽骨高度对旋转移动的影响。
Objective to study the effect of alveolar bone height to tooth rotation.
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