- 期刊
前齒錯咬合并上顎后縮之三級異常咬合的齒顎矯正治療—病例報告
Orthodontic and Orthopedic Treatment of A Class Ⅲ Malocclusion with Anterior Crossbite and Maxillary Deficiency - A Case Report
摘要
三級異常咬合的治療策略往往取決於骨骼生長型態、顏面輪廓、患者的年齡及其生長潛力。面罩裝置被建議可以用來治療三級異常咬合，特别是對於上顎骨後縮的類型。它對於正在發育的顱顏顎骨具有以下的作用：上顎骨往前移動，上顎骨的生長增加，上顎門齒唇側傾斜，下顎骨向後下旋轉，下顎門齒舌側傾斜，上述變化皆有助於三級異常咬合患者的顏面輪廓及門齒水平覆咬獲得改善。本報告提出一位在混合齒列晚期前來求診的病例，患者具有中臉部凹陷的側面輪廓，顱顏型態屬於上顎骨發育不足的三級骨骼關係。齒列咬合關係亦為三級異常咬合，並且有前牙錯咬和牙弓空間不足的問題，但患者的下顎可被引導至前牙對咬於切緣咬合的位置。我們的治療策略是先用面罩裝置將上顎骨前拉以期達到骨性矯治的效果，隨後再以全口固定式矯正器進行治療，治療结果在美觀和功能方面都令人滿意，長期追蹤也呈現穩定的结果。
並列摘要
The treatment modalities of Class Ⅲ malocclusion depend on the underlying skeletal pattern, facial profile, age and growth potential of patient. Orthopedic maxillary protraction has been increasely advocated for the treatment of Class Ⅲ malocclusion, especially those with maxillary deficiency. The treatment responses of growing craniofacial complex to facemask therapy include forward maxillary movement, increased maxillary growth, backward and downward rotation of the mandible, labial movement of maxillary incisors and lingual tipping of mandibular incisors. Clinically, the improvement of facial profile and the significant correction of over jet could beobtained. We describe a 9 year-old girl with skeletal class Ⅲ malocclusion and maxillary deficiency. The occlusal pattern is class Ⅲ malocclusion with anterior cross bite and space deficiency of upper arch. We used facemask to protract her deficient maxilla and correct her anterior cross bite, followed by full-mouth fixed appliance therapy. The long-term treatment results are stable and satisfactory in esthetic and functional aspects.
延伸閱讀
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