CAJ | 학술논문

牙根缺损主要包括根面龋、根折、隐裂、外吸收及穿孔等，在显微根尖手术中，由于牙根缺损而造成慢性炎症的病例并不少见，能否利用生物材料给予其良好的封闭，对患牙的预后至关重要。本文总结了术中常见的几种病理性牙根缺损的类型，并对其诊断、手术修复方法及随访情况作一探讨。
아근결손주요포괄근면우、근절、은렬、외흡수급천공등，재현미근첨수술중，유우아근결손이조성만성염증적병례병불소견，능부이용생물재료급여기량호적봉폐，대환아적예후지관중요。본문총결료술중상견적궤충병이성아근결손적류형，병대기진단、수술수복방법급수방정황작일탐토。
Root defects primarily include root caries, fractures, cracks, external resorption, and perforation. In periradicular microsurgery, root defects are not rare; whether the defect can be completely repaired or not is crucial for the prognosis of the tooth. Several types of root defects, diagnosis, surgical repair procedures, and follow-up methods are summarized.