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不對稱拔牙之矯正治療病例報告

Orthodontic Treatment with Asymmetric Extraction A Case Report

摘要


傳統骨性一級異常咬合合併前牙擁擠或前突的治療方式為拔除4顆第一小臼齒,但是若因患者有缺牙,則考慮少拔缺牙側的小臼齒,以多保留一顆牙齒,不失為一種變通可行之方案。本報告提出一位因車禍喪失左上正中及側門齒的病例,在考量日後假牙贗復,及為患者保留牙齒等各種因素,採取不對稱拔牙的方式進行矯正治療,配合牙橋的製作,使患者的美觀、功能都獲得明顯改善。

並列摘要


Cenerally, the best treatment for patients with skeletal Class l malocclusion with anterior crowding or protrusion is extraction of four first premolars. But, when missing tooth of one quadrant is noted, preservation of the first premolar in the same quadrant is an alternative choice. Herein, we reported a case with upper anterior protrusion and missing of upper left central and lateral incisors due to a traffic accident. In considering tooth preservation for future prosthetic reconstruction, asymmetric extraction treatment was planned. After orthodontic treatment and bridge reconstruction, the esthetics of anterior teeth and occlusion of full mouth were substantially improved.

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