口腔医学研究 ›› 2026, Vol. 42 ›› Issue (5): 446-449.DOI: 10.13701/j.cnki.kqyxyj.2026.05.015

• 病例报告 • 上一篇    下一篇

改良牙冠延长术治疗复杂冠根折1例

刘燕清, 许强*   

  1. 广州中医药大学第一附属医院重庆医院(重庆市北碚区中医院)口腔科 重庆 400700
  • 收稿日期:2025-06-25 发布日期:2026-05-25
  • 通讯作者: *许强,E-mail:xq18623547512@163.com
  • 作者简介:刘燕清(1989~ ),女,四川眉山人,硕士,主治医师,研究方向:口腔颌面外科。

Complex Crown-root Fracture Treated with Modified Crown Lengthening: A Case Report

LIU Yanqing, XU Qiang*   

  1. Department of Stomatology, Chongqing Hospital of The First Affiliated Hospital of Guangzhou University of Chinese Medicine (Chongqing Beibei Traditional Chinese Medical Hospital), Chongqing 400700, China.
  • Received:2025-06-25 Published:2026-05-25

摘要: 冠根折往往伴随着牙体、牙髓、牙周组织损伤,临床表现复杂多变,治疗与修复困难,多数情况下需拔除患牙。本文报道了1例侧切牙复杂冠根折病例,改良牙冠延长术治疗结束后,功能和美观得到良好的恢复,为复杂冠根折患者的诊疗提供了临床经验。

关键词: 冠根折, 改良牙冠延长术

Abstract: Crown root fracture is often accompanied by damage to the tooth body, pulp, and periodontal tissue, presenting complex clinical symptoms and posing significant challenges for treatment and restoration. In most cases, the affected tooth needs to be extracted. This article reports a case of complex crown-root fracture of lateral incisor. The function and aesthetics were well restored, following modified crown lengthening surgery and providing clinical experience for the diagnosis and treatment of patients with complex crown root fracture.

Key words: crown-root fracture, modified crown lengthening surgery