中国口腔医学继续教育杂志 ›› 2024, Vol. 27 ›› Issue (5): 431-438.DOI: 10.12337/zgkqjxjyzz.2024.05.007

• 病例分析 • 上一篇    下一篇

上前失髓变色牙漂白1例

邓惠丹1,2,3, 梁勉瑚1,2,3, 莫莉基1,2,3,*   

  1. 1广西医科大学;
    2广西医科大学口腔医学院;
    3广西医科大学附属口腔医院牙体牙髓科
  • 出版日期:2024-09-30 发布日期:2025-05-09
  • 通讯作者: *莫莉基,联系方式:0771-5358348,电子邮箱:lijimo@163.com,通讯地址:广西壮族自治区南宁市双拥路10号,530021
  • 基金资助:
    广西卫健委科研课题-渗透树脂在白垩斑龋损治疗中的疗效观察(项目编号:20180122); 广西自治区级大学生创新创业训练计划项目-Ultradent牙齿美白胶稳定性的临床观察(项目编号:201910598206)

Bleaching Technique for Devital Maxillary Anterior Teeth with Intrinsic Discoloration: A Case Report

Huidan Deng1,2,3, Mianhu Liang1,2,3, Liji Mo1,2,3,*   

  1. 1Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, P.R. China;
    2Guangxi Medical University College of Stomatology, Nanning, Guangxi Zhuang Autonomous Region, P.R. China;
    3Department of Endodontics, Guangxi Medical University College of Stomatology, Nanning, Guangxi Zhuang Autonomous Region, P.R. China
  • Online:2024-09-30 Published:2025-05-09
  • Contact: Liji Mo. Tel: 0771-5358348. Email: lijimo@163.com. Address: No. 10 Shuangyong Road, Nanning 530021, Guangxi Zhuang Autonomous Region, P.R. China.

摘要: 目的:本文报道1例内外联合漂白技术用于上前失髓变色牙以改善色泽和美学的病例。诊治经过:在确定诊断及取得患者知情同意后,使用36%过氧化氢漂白凝胶等对患牙进行3个疗程的内外联合漂白后,更换原有充填体行前牙美学树脂粘接修复,术后4个月、10个月进行回访。结果:3个漂白疗程后患牙与对侧同名牙颜色一致,术后4个月、10个月回访疗效稳定,患牙未见返色,牙体颜色与树脂粘接修复材料色泽匹配。结论:内外联合漂白对于根管治疗后出现的变色牙可达到满意的美学效果,可作为根管治疗后的单颗失髓变色牙的治疗方案之一。

关键词: 失髓牙, 前牙, 内源性着色, 过氧化氢, 漂白

Abstract: Objective: This case reports an application of combined internal and external bleaching technique on devitalized maxillary anterior teeth with intrinsic discoloration to materialize the aesthetic need of the patient. Diagnosis and treatment: 3 treatment courses of internal/external bleaching were performed on the nonvital maxillary anterior tooth using 36% hydrogen peroxide gel after obtaining specific diagnosis and written informed consent of the patient, following with resin restoration. The patient was followed up 4 and 10 months after the treatment. Results: After 3 treatment courses of internal/external bleaching, the discolor has been corrected. The following-up 4, 10 months after the treatment showed stable color maintenance, and the color of the resin was compatible with the bleached tooth. Conclusions: Combined internal and external bleaching technique can be a minimally invasive option for discolored nonvital teeth to reach satisfying aesthetic effect.

Key words: nonvital tooth, anterior tooth, intrinsic discoloration, hydrogen peroxide, bleaching technique