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Bimaxillary protrusion & 3 lower incisor case
This protrusion case had one lower incisor missing.
In this case, one side premolar extraction is better for occlusal interdigitation, compared to one lower incisor extraction (which might increase the Bolton discrepancy).
After space closure combined with miniscrew mechanics, the patient had a pleasing profile and smile in the final result.
本案例主訴為嘴凸和暴牙, 合併下顎先天缺失門牙情形。
在拔除上顎兩側小臼齒和右下單側小臼齒,
患者得到較佳外觀, 笑容和咬合。
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