上顎犬齒阻生

Maxillary Canine Impaction

蔡文卿(Wen-Ching Tsai)

《中華民國齒顎矯正學雜誌》 15卷2期 (2003/06) Pp. 25-30

摘要

上顎犬齒阻生是臨床上常見的問題，在恆牙齒列中，犬齒是除了智齒之外，最容易發生阻生的牙齒，特别是上顎犬齒阻生的發生率尤甚，因此了解其特性，並知道如何正確治療，有其重要性。本文針對上顎犬齒阻生的發生率，好發部位，發生原因，可能併發症，診斷方法及臨床治療方式分别加以探討及說明。另提出兩實際臨床病例，呈現其治療過程及治療前後之變化。上顎犬齒阻生之治療，已發展出成熟且完整的診斷方法及治療程序，只要早期發現，並在最佳時機介入治療，往往能達到良好的治療效果。

關鍵字

上顎犬齒阻生 ； 矯正治療

並列摘要

Impaction of maxillary permanent canine is a common problem in daily orthodontic practice. Apart from the third molar, maxillary canine is the most predisposing tooth to impaction. It is essential for clinicians to realize the characteristics of impacted tooth and its eruptive pattern, so that the proper diagnosis and treatment can be achieved. This article is presented with features of the incidence, the predisposing position, the etiology, and the possible adverse effect of the impacted canine. The aspects of diagnosis and treatment are discussed as well. The regime of managing impacted maxillary canine has been well established. Two clinical cases are demonstrated in terms of management procedures and treatment outcome. The key to successfully manage the impacted maxillary canine is to diagnose and treat the problem as early as possible.

並列關鍵字

maxillary canine impaction ； orthodontic treatment