各种肿瘤经治疗后,可发生牙齿的并发症,如果采取适当的牙齿医护措施,大多数并发症是可以预防的。一。放射治疗:人们已经知道,放射线可以破坏唾液腺,使唾液减少,菌斑增多,从而引起严重的龋齿,并可迅速发展成为牙周疾病。此外,有报道认为,20%以上的病人可发生放射性骨坏死,其发病率以有牙列者为高,而且直接与放射剂量有关。加拿大多伦多Princes Margaret医院对口腔癌病人施用的放射剂量较一般的为小,但也有11%的发病率。为了减少这些危害,直至数年前所用的方法是于放射治疗前拔除所有照射野内的牙齿,然后余留牙再经适当的处理;在患者的良好配合下使牙齿得到保留。对于要保留牙齿的病人,始终进行定期的牙齿监护是十分 A variety of tumors can occur after treatment of the complications of teeth, with proper dental care measures, most of the complications can be prevented. one. Radiation Therapy: It is already known that radiation can damage salivary glands, reduce saliva, increase plaque, which can cause severe dental caries and rapidly develop into periodontal disease. In addition, it is reported that more than 20% of patients with osteonecrosis may occur, the incidence of dentition is high, and directly related to radiation dose. Princes Margaret Hospital, Toronto, Canada, administered oral radiotherapy to patients with oral cancer more generally but with a 11% incidence. In order to reduce these risks, the method used until several years ago was to remove the teeth in all irradiated fields prior to radiotherapy and the remaining teeth were properly treated; the teeth were retained with the patient's cooperation. For patients who want to keep their teeth, regular dental care is always good