随着综合治疗在头颈部肿瘤放疗中的应用和病人长期生存率的提高,需要对相关并发症的治疗及病人的生存质量给予越来越多的关注。放射性龋齿是头颈部肿瘤放疗后最常见的远期损伤。对放射性龋齿形成原因、影响因素、治疗方法及预防措施进行综述,并探寻降低放射性龋齿发生率的有效方法。 With the comprehensive treatment of head and neck cancer radiotherapy and long-term survival of patients with the improvement of the need for the treatment of complications and patient quality of life to give more and more attention. Radioactive dental caries are the most common long-term lesions after head and neck cancer radiotherapy. The causes, influencing factors, treatment methods and preventive measures of radioactive dental caries were summarized, and an effective method to reduce the incidence of radioactive dental caries was explored.