upper dental arch

On the upper arch moderate to severe dental crowding is corrected by changes in anterior lip inclination and arch width when crowding cases were treated with Damon self-ligating system. 3.

Damon自锁托槽技术对上颌中重度牙列拥挤解除后表现为牙弓宽度的改变和前牙出现唇倾。

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Palatal expansion is frequently applied in correction of maxillary transverse deficiency and upper dental arch constriction.

腭扩展是正畸常用的矫治上颌横向发育不足及上颌牙弓狭窄的固定矫治技术.

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Upper and lower teeth could inclinate towards the direction for better interarch coordination, as the same time, coordination between dental arch and the corresponding basal bone arch was reduced.

骨性Ⅲ类错拾上下颌牙齿都向能够使上下颌牙弓协调的方向代偿性倾斜，同时牙弓与其对应基骨弓之间的协调性降低。

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