極難的開咬與歪斜矯正治療
矯正醫師對於歪斜與開咬，一直視為非常困難的案例之ㄧ。通常在台灣，這些案例也伴隨上下唇的外突。
尤其本文案例，更已經缺少了左上第一大臼齒，筆者決定在矯正治療過程中利用其空間來後移，而避免後續的植牙問題。
拔除其他的第一小臼齒以用來改善外突，讓臉型更對稱與平衡，共18個月的矯正治療，並使用迷你骨釘來做錨定作用。
Asymmetrical smile is one of the mist difficult cases in the daily orthodontic clinic. In Taiwan, lots of this kind of patients also have the protrusive upper and lower lips.
In the following case, missing of the left upper first molar was noted in the beginning. I decided to close this space orthodontically, which mean no need of dental implant for this missing space.
Due to the facial profile problem, I need to extract the premolars to make the face more balance and symmetrical. The total treatment time is 18 months with miniscrews as the anchorage.
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