下颌阻生第三磨牙拔除术中与手术难度相关因素的评估
Assessment of factors associated with surgical difficulty in impacted mandibular third molar extraction.
作者信息
Gbotolorun Olalekan Micah, Arotiba Godwin Toyin, Ladeinde Akinola Ladipo
机构信息
Department of Oral and Maxillofacial Surgery, College of Medicine, University of Lagos, Lagos, Nigeria.
出版信息
J Oral Maxillofac Surg. 2007 Oct;65(10):1977-83. doi: 10.1016/j.joms.2006.11.030.
PURPOSE
The aim of this prospective study was to investigate radiologic and clinical factors associated with increased difficulty in the removal of impacted mandibular third molars. We also aimed to form an index to measure the difficulty of removal of the impacted molars preoperatively.
PATIENTS AND METHODS
A total of 87 patients who required 90 surgical extractions of impacted mandibular third molars from November 2003 to May 2004 were involved in the study. Radiologic and clinical data were taken preoperatively. All extractions were performed under local anesthesia by a single operator. Surgical difficulty was measured by the total intervention time.
RESULTS
Increased surgical difficulty was associated with increasing age and body mass index. It was also associated with the curvature of roots of the impacted tooth and the depth from point of elevation (P < .05).
CONCLUSION
Both clinical and radiologic variables are important in predicting surgical difficulty in impacted mandibular third molar extractions.
目的
本前瞻性研究旨在调查与拔除下颌阻生第三磨牙难度增加相关的放射学和临床因素。我们还旨在建立一个术前测量阻生磨牙拔除难度的指标。
患者与方法
2003年11月至2004年5月期间，共有87例需要外科拔除90颗下颌阻生第三磨牙的患者参与本研究。术前采集放射学和临床数据。所有拔牙均由一名操作者在局部麻醉下进行。手术难度通过总干预时间来衡量。
结果
手术难度增加与年龄增长和体重指数增加有关。它还与阻生牙牙根的弯曲度以及牙冠提升点的深度有关（P < 0.05）。
结论
临床和放射学变量在预测下颌阻生第三磨牙拔除的手术难度方面都很重要。
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