牙齿过敏症是口腔门诊中常见的一种病症。笔者从1991年起用氟化钠法、碘化银法、酚醛树脂法作牙本质过敏症的聪敏治疗，均取得一定的疗效，现将3种方法做一比较。1材料与方法选择40例患者，年龄在30～63岁之间，共75颗牙本质过敏症的上下颌磨牙，均为合面严重磨耗，用探针在牙 Dental allergy is a common condition in oral clinics. The author from 1991 with sodium fluoride, silver iodide, phenolic resin method for the treatment of dentin hypersensitivity of the smart, have achieved a certain effect, now the three methods to make a comparison. 1 Materials and Methods 40 patients were selected, aged 30 to 63 years old, a total of 75 dentin hypersensitivity of the maxillary and mandibular molars, are all serious wear on the face, with the probe in the teeth