牙体显微分层修补术治疗上颌中切牙牙颈部外吸收1例

doi:10.7518/hxkq.2025.2025033

华西口腔医学杂志 ›› 2025, Vol. 43 ›› Issue (5): 736-741.doi: 10.7518/hxkq.2025.2025033

• 临床病例 • 上一篇

牙体显微分层修补术治疗上颌中切牙牙颈部外吸收1例

戢晓(), 张岚, 黄定明()

口腔疾病防治全国重点实验室国家口腔医学中心国家口腔疾病临床医学研究中心四川大学华西口腔医院牙体牙髓病科，成都 610041

收稿日期:2025-01-20 修回日期:2025-02-17 出版日期:2025-10-01 发布日期:2025-10-21
通讯作者: 黄定明 E-mail:jixiao08@126.com;dingminghuang@163.com
作者简介:戢晓，硕士，E-mail：jixiao08@126.com
基金资助:
四川省科技计划项目(2024NSFSC0593);四川省干部保健科研课题项目(60022)

Layered external repair with microsurgery of maxillary central incisor with external cervical resorption

Ji Xiao(), Zhang Lan, Huang Dingming()

State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Dept. of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China

Received:2025-01-20 Revised:2025-02-17 Online:2025-10-01 Published:2025-10-21
Contact: Huang Dingming E-mail:jixiao08@126.com;dingminghuang@163.com
Supported by:
Sichuan Science and Technology Program(2024NSFSC0593);Sichuan Province Cadre Health Care Research Project(60022)

摘要/Abstract

摘要：

牙吸收是在破牙细胞持续作用下发生的牙齿硬组织破坏。牙颈部外吸收是由于牙周膜或上皮下牙骨质破坏和（或）缺陷导致的牙齿颈部吸收。本文报道1例上颌中切牙外伤及正畸后牙颈部外吸收，术前通过锥形束CT充分了解患牙吸收部位和形态，术中利用显微技术及生物陶瓷和复合树脂材料分层修补对吸收部位进行严密充填修复，实现了保存患牙和尽可能长时间保存患牙健康牙髓的目标，术后6年随访效果良好。

关键词: 牙外伤, 正畸治疗, 牙颈部外吸收, 活髓保存, 显微手术

Abstract:

Tooth resorption is the degradation of dental hard tissue due to the continuous action of odontoclasts. External cervical resorption refers to the cervical resorption of a tooth due to destruction and/or defects of the periodontal ligament or subepithelial cementum. In this paper, we report a case of maxillary central incisor with external cervical resorption after dental trauma and orthodontic treatment. The resorption site and morphology of the affected tooth were thoroughly analyzed by cone beam computed tomography prior to the operation. Dental operating microscope and layered external repair with composite resin and bioceramics ensured a perfect restoration of the resorption, and the vital pulp was preserved. The 6-year follow-up indicated a favorable treatment effect.

Key words: dental trauma, orthodontic treatment, external cervical resorption, vital pulp therapy, microsurgery

中图分类号:

R781.3

戢晓, 张岚, 黄定明. 牙体显微分层修补术治疗上颌中切牙牙颈部外吸收1例[J]. 华西口腔医学杂志, 2025, 43(5): 736-741.

Ji Xiao, Zhang Lan, Huang Dingming. Layered external repair with microsurgery of maxillary central incisor with external cervical resorption[J]. West China Journal of Stomatology, 2025, 43(5): 736-741.

图/表 3

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牙体显微分层修补术治疗上颌中切牙牙颈部外吸收1例

Layered external repair with microsurgery of maxillary central incisor with external cervical resorption

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