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上颌窦肿瘤在临床上较为多见,约占全部恶性肿瘤的1％,占头颈部恶性肿瘤的23％~1,其5年生存率是30-50％~2。目前的治疗方法是手术后追加放射治疗或术前放疗等。由于手术以后引起的组织缺损,导致患者生理上缺陷,生活上不便等。何时来弥补医源性组织缺损,减轻患者心理创伤,提高患者生存质量,是值得我们探讨的问题。什么时候给放疗后患者装戴赝复体,各家有不同的看法。Krajicek(1969)认为:放疗以后12-14个月粘膜已愈合,此时可以装戴托牙,如粘膜萎缩或缺血就不应戴托牙。Beumer(1968)认为:
Maxillary sinus tumors are more common in clinical practice, accounting for about 1% of all malignant tumors, accounting for 23% of head and neck cancer, the 5-year survival rate is 30-50%. The current treatment is additional radiotherapy after surgery or preoperative radiotherapy. Due to tissue defects caused after surgery, resulting in physical defects in patients, life inconvenience. When to make up iatrogenic tissue defects, reduce the patient's psychological trauma and improve the quality of life of patients, is worth our discussion. When to wear patients after radiotherapy prosthesis, each has a different view. Krajicek (1969) argues that 12-14 months after radiotherapy, the mucosa has healed and dentures can be worn at this time, and denture should not be worn if mucosal atrophy or ischemia is present. Beumer (1968) thinks: