Abstract: With the development of digital technology in dentistry，the diagnosis and treatment of endodontic diseases have gradually stepped into the digital era. In recent years，digital intraoral scanning technology has been progressing，and its application in the diagnosis and treatment of endodontic diseases is expanding day by day，especially in the diagnosis and long-term monitoring of some dental diseases，which shows promising application prospects. In this paper，we summarize the studies on digital intraoral scanning technology in the diagnosis and monitoring of dental diseases，and outline the research progress and application status，with the aim of providing clues for future investigations.

Key words: digital technology；intraoral scanning, IOS；dental diseases；diagnosis；monitoring

摘要： 随着口腔医学数字化技术的发展，牙体牙髓疾病的诊疗逐渐步入数字化时代。近年来数字化口内扫描技术不断进步，在牙体牙髓疾病诊疗中的应用日趋扩大，尤其是在一些牙体疾病的诊断和长期监测中展现出良好的应用前景。文章归纳并总结了数字化口内扫描技术在牙体疾病诊断及监测中的相关研究，概述了其研究进展和应用现状，以期为进一步的研究提供线索。

关键词: 数字化技术, 口内扫描, 牙体疾病, 诊断, 监测