锥形束CT诊断双侧下颌前磨牙对称性三根管1例

doi:10.13701/j.cnki.kqyxyj.2026.04.014

口腔医学研究 ›› 2026, Vol. 42 ›› Issue (4): 344-346.DOI: 10.13701/j.cnki.kqyxyj.2026.04.014

锥形束CT诊断双侧下颌前磨牙对称性三根管1例

崔晓明¹, 张世宽², 霍海洋¹, 张志勇^1*

1.河北医科大学第二医院口腔内科河北石家庄 050051;
2.石家庄市第二医院口腔科河北石家庄 050051

收稿日期:2025-07-21 发布日期:2026-04-23
通讯作者: *张志勇,E-mail:zhiyongzhang619@163.com
作者简介:崔晓明(1998~ ),女,河北邢台人,硕士在读,住院医师,研究方向:口腔内科。
基金资助:
河北省医学科学研究课题计划(编号:20240105,20230455)

Symmetric Three Root Canals in Bilateral Mandibular Premolars Diagnosed by Cone Beam CT: A Case Report

CUI Xiaoming¹, ZHANG Shikuan², HUO Haiyang¹, ZHANG Zhiyong^1*

1. Department of Stomatology, The Second Hospital of Hebei Medical University, Shijiazhuang 050051, China;
2. Department of Stomatology, Shijiazhuang Second Hospital, Shijiazhuang 050051, China

Received:2025-07-21 Published:2026-04-23

摘要/Abstract

摘要： 本病例报告描述了1例男性患者,通过锥形束计算机断层扫描(cone-beam computed tomography,CBCT)检查发现双侧下颌第一、第二前磨牙均为对称性三根管的罕见解剖变异。此类变异发生率极低,若未能术前识别,可能导致根管遗漏及治疗失败。文中强调CBCT在诊断复杂根管解剖中的重要性,能够帮助医生准确识别根管特征,减少治疗中的风险。

关键词: 锥形束计算机断层扫描, 下颌前磨牙, 三根管, 对称性, 病例报告

Abstract: This case report describes a rare anatomical variation of symmetrical three root canals in both mandibular first and second premolars, detected via cone-beam computed tomography (CBCT) in a male patient. The incidence of such variations is extremely low, and failure to identify them preoperatively may lead to missed canals and treatment failure. The report highlights the importance of CBCT in diagnosing complex root canal anatomies, as it enables accurate identification of canal features and reduces treatment risks.

Key words: cone-beam computed tomography, mandibular premolars, three root canals, symmetry, case report

崔晓明, 张世宽, 霍海洋, 张志勇. 锥形束CT诊断双侧下颌前磨牙对称性三根管1例[J]. 口腔医学研究, 2026, 42(4): 344-346.

CUI Xiaoming, ZHANG Shikuan, HUO Haiyang, ZHANG Zhiyong. Symmetric Three Root Canals in Bilateral Mandibular Premolars Diagnosed by Cone Beam CT: A Case Report[J]. Journal of Oral Science Research, 2026, 42(4): 344-346.

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锥形束CT诊断双侧下颌前磨牙对称性三根管1例

Symmetric Three Root Canals in Bilateral Mandibular Premolars Diagnosed by Cone Beam CT: A Case Report

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