冠突过长导致开口受限1例报告

doi:10.19438/j.cjoms.2026.01.015

中国口腔颌面外科杂志 ›› 2026, Vol. 24 ›› Issue (1): 96-99.doi: 10.19438/j.cjoms.2026.01.015

冠突过长导致开口受限1例报告

金文钊^1,2, 许凯^1,2

1.山东第一医科大学（山东省医学科学院）研究生部,山东济南 250117;
2.山东第一医科大学附属聊城市人民医院口腔科,山东聊城 252000

收稿日期:2025-07-07 修回日期:2025-09-25 发布日期:2026-02-06
通讯作者: 许凯,E-mail：xuk222@163.com
作者简介:金文钊（1999-）,男,硕士研究生,E-mail: 857711601@qq.com
基金资助:
山东省医药卫生科技发展计划（2019WS115）; 聊城市重点研发计划（2023YD33）

Mandibular coronoid process hyperplasia leading to restricted mouth opening: a case report

Jin Wenzhao^1,2, Xu Kai^1,2

1. Department of Postgraduates, Shandong First Medical University & Shandong Academy of Medical Sciences.Jinan 250117;
2. Department of Stomatology, Liaocheng Affiliated Hospital of Shandong First Medical University. Liaocheng 252000, Shandong Province, China

Received:2025-07-07 Revised:2025-09-25 Published:2026-02-06

摘要/Abstract

摘要： 冠突过长（coronoid process hyperplasia,CPH）是一种罕见的下颌骨发育异常疾病,主要表现为无痛性进行性开口受限,易与颞下颌关节紊乱病混淆。本文报告1例因冠突骨性过长引起严重开口受限的病例,经口腔内入路行冠突切除术后开口度明显改善。对于临床表现为无痛性开口受限的患者,应考虑到CPH的可能,尽早行CBCT检查以避免误诊。

关键词: 冠突过长, 下颌冠突增生, 开口受限, 冠突切除术

Abstract: Coronoid process hyperplasia(CPH) is a rare disorder of mandibular development, mainly characterized by painless progressive limitation of mouth opening, which is easily confused with temporomandibular joint disorder(TMD). This article reported a case of severe mouth opening limitation caused by bony hyperplasia of the coronoid process. After coronoidotomy via an intraoral approach, the mouth opening degree was significantly improved. For patients with clinical manifestations of painless mouth opening limitation, the possibility of CPH should be considered, and CBCT examination should be performed as early as possible to avoid misdiagnosis.

Key words: Coronoid process hyperplasia, Mandibular coronoid process hyperplasia, Limitation of mouth opening, Coronoidotomy

中图分类号:

R782.2

金文钊, 许凯. 冠突过长导致开口受限1例报告[J]. 中国口腔颌面外科杂志, 2026, 24(1): 96-99.

Jin Wenzhao, Xu Kai. Mandibular coronoid process hyperplasia leading to restricted mouth opening: a case report[J]. China J Oral Maxillofac Surg, 2026, 24(1): 96-99.

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冠突过长导致开口受限1例报告

Mandibular coronoid process hyperplasia leading to restricted mouth opening: a case report

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