头颈部恶性肿瘤患者放射治疗后牙本质过敏最常见,病人十分痛苦,目前国内外尚无理想治疗方法。自1985年以来,我们使用大剂量纯维生素E滴剂治疗10例,疗效满意,报告如下: 临床资料 男8例,女2例,年龄最小29岁,最大54岁。病例选择,全部为鼻咽癌初程治疗后患者,牙齿遇冷、热、酸、甜四种饮食时均发生强烈的刺激痛症状(饮食指:过冷自来水,冰糕、热汤、水果、醋、白糖、糖块等)。病程最短7天,最长8年2个月半年以内者4例,1～2年者2例,4～5年者2例,5年以上者2例。 治疗方法:用温开水或生理盐水将口腔漱洗干净,将纯维生素E滴剂点在过敏牙齿上及其周围,每次3滴,每日5次(相当750～800mg左右)用药后半小时之内禁止饮水以便使药物在牙齿及其 The most common dentinal hypersensitivity after radiotherapy for patients with head and neck cancer is very painful. There is no ideal treatment at home and abroad. Since 1985, we have used high-dose pure vitamin E drops to treat 10 cases with satisfactory results. The report is as follows: Clinical data 8 males and 2 females, youngest 29 years old, maximum 54 years old. Case selection, all patients with nasopharyngeal cancer after the initial treatment, the teeth were cold, hot, sour, sweet four kinds of diet when there is a strong stimulation of pain symptoms (diet refers to: cold tap water, sorbet, hot soup, fruit, vinegar , sugar, sugar, etc.). The shortest course of illness was 7 days, the longest 8 years and 2 months were 4 cases within half year, 1 to 2 years were 2 cases, 4 to 5 years were 2 cases, and 5 years were 2 cases. Treatment method: Wash the oral cavity with warm water or saline, and place the pure vitamin E drops on and around the allergic teeth, 3 drops each time, 5 times a day (approximately 750-800mg or so) half an hour after the medication Drinking water is prohibited within the