Transient apical breakdown after dental trauma: clinical features and therapeutic decisions
10.3760/cma.j.cn112144-20250720-00276
- VernacularTitle:牙外伤后暂时性根尖破坏的临床特征及诊疗决策
- Author:
Guangyun LAI
1
;
Jun WANG
1
Author Information
1. 上海交通大学医学院附属第九人民医院儿童口腔科 上海交通大学口腔医学院 国家口腔医学中心 国家口腔疾病临床医学研究中心 上海市口腔医学重点实验室 上海市口腔医学研究所，上海 200021
- Publication Type:Journal Article
- Keywords:
Tooth;
Dislocations;
Dental pulp necrosis;
Dental pulp calcification;
Periapical periodontitis
- From:
Chinese Journal of Stomatology
2025;60(10):1091-1095
- CountryChina
- Language:Chinese
-
Abstract:
Transient apical breakdown (TAB) may occur after dental trauma, which is manifested by obvious radiolucent shadows at the root apex of the affected tooth on X-ray examination within a certain period after trauma, or persistent widening of the periodontal ligament space for a long time after trauma. However, it can resolve spontaneously without intervention. At present, researches on TAB are rather limited, and clinicians have insufficient understanding of it, which may easily lead to misdiagnosis as apical periodontitis and subsequently unnecessary endodontic treatment. In view of this, this article intends to discuss the occurrence of TAB, related influencing factors, characteristic imaging findings, diagnostic methods and possible mechanisms, aiming to provide references for clinical diagnosis and treatment, as well as to reduce misdiagnosis and mistreatment.
