下颌第三磨牙截冠留根法的临床研究进展<a style="z-index: 2147483647; border-bottom: 0px; position: absolute; border-left: 0px; padding-bottom: 0px; margin: 0px; padding-left: 0px; width: 60px; padding-right: 0px; height: 25px; visibility: hidden; border-top: 0px; top: 0px; cursor: pointer; border-right: 0px; padding-top: 0px; left: 0px" id="bing-msbbp-search-anchor" target="_blank"></a>

doi:10.3969/j.issn.1005-4979.2014.03.001

摘要/Abstract

摘要： 低位埋伏阻生的下颌第三磨牙经传统方法拔除后，下牙槽神经损伤的风险较高。对此有学者提出移除牙冠并保留牙根于牙槽骨内（截冠留根法），以降低术后神经损伤风险。该方法有其临床可行性，但存在感染、萌出等可能，需远期观察。本文对截冠留根法的理论基础、操作要点、术中和术后并发症等研究进展作一述评。

关键词: 截冠, 截冠留根, 阻生牙, 下牙槽神经损伤, 下颌第三磨牙, 并发症

Abstract: The inferior alveolar nerve injury (IANI) is at risk during extraction of lower impacted mandibular third molars. Coronectomy was presented as the crown removed while the roots retained in the alveolar bone in order to decrease the risk. Studies have demonstrated that coronectomy is feasible, however, long-term observation is necessary due to the existence of the roots infection and eruption. This article presents a review of the research progresses on its rationales, operating points and complications.

Key words: coronectomy, deliberate vital root retention, impacted tooth, inferior alveolar nerve injury, mandibular third molar, complication

中图分类号:

R782.11

康非吾，薛中秀. 下颌第三磨牙截冠留根法的临床研究进展[J]. 《口腔颌面外科杂志》, 2014, 24(3): 165-.

KANG Fei-wu，XUE Zhong-xiu. Update on Coronectomy of the Mandibular Third Molar[J]. 《Journal of Oral and Maxillofacial Surgery》, 2014, 24(3): 165-.

https://journal06.magtech.org.cn/Jweb_joms/CN/Y2014/V24/I3/165

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