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放射治疗是当前治疗头颈部恶性肿瘤的重要手段之一。随着放疗后肿瘤患者生存率和生存时间的提高,越来越多的人注意到了患者的生存质量问题,头颈部肿瘤放射治疗后对口腔颌面部和头颈部各组织器官的远期影响有哪些?怎样尽可能预防和减轻这些并发症?本文就这些问题做一简要介绍。一、放疗对口腔颌面部组织器官的影响(一)牙齿 1.对发育中牙齿的影响许多报道证实,发育中的牙齿对放射非常敏感,接受低至400拉德剂量即可出现某些发育异常,而发育异常的严重程度与受照射牙齿
Radiation therapy is currently one of the important means of treating head and neck cancer. With the survival rate of cancer patients after radiotherapy and survival time increased, more and more people noticed the patient's quality of life problems, head and neck cancer after radiotherapy of oral and maxillofacial and head and neck organs of the long-term What are the effects? How to prevent and reduce these complications as much as possible? This article gives a brief introduction of these issues. Effects of Radiotherapy on Oral and Maxillofacial Tissues and Organs (a) Teeth 1. Effects on Developing Teeth Many reports confirm that developing teeth are very sensitive to radiation and that some development occurs with doses as low as 400 rad Abnormalities, while the severity of dysplasia and irradiated teeth