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摘要


評估臉部外型與和諧是矯正醫師繼續學習之過程,矯正治療效果在外觀上著重在牙齒與嘴唇之關係,然而牙齒移動受限於軟組識與齒槽骨範圍,故有些情形可以擴張牙床或修牙齒鄰接面來排列牙齒,有些則需拔除小臼齒來後退前牙,以改變嘴唇位置,有些超過牙齒移動範圍,即使矯正治療也無法滿足病人對美觀要求時,需須借助正顎手術。故訂定治療計畫時需了解牙齒移動的範圍與極限,與預估嘴唇對牙齒移動的反應。並了解病人對外表有如何的期望,讓病人了解有時候因本身條件因素無法達到理想咬合或外觀時,矯正的結果就須妥協於這些因素之下。

關鍵字

牙齒移動 極限 骨塑形 骨重塑形

並列摘要


Evaluating facial profiles and facial balance is a continuous learning process for orthodontics. The effects of orthodontic treatment have focused on predictive aspects of the relationship between incisors and lips. However, the orthodontic tooth movement s constrained by the envelope of structure and the soft tissue. To remain within acceptable boundaries, extractions may be necessary n some cases. If the malocclusion can not be corrected within the envelope, even with extraction for compensation, orthognathic surgery may be needed. The patient should understand that sometimes it is not possible to achieve deal occlusion and optimal facial balance. To this extent, orthodontic treatment will have to reflect a compromise. Therefore, a delineation of the limits of orthodontic tooth movement prior to the start of treatment would be extremely beneficial.

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