牙本质过敏各种药物的疗效均不肯定,反复涂用中草药制剂(如蒜酚合剂和复方细辛合剂)的近期疗效可达67.4～74.6%,仍不十分理想。国外最近报告用氢氧化钙治疗牙颈部牙本质过敏疗效十分显著(Oral Surg Oral Med & Oral Path, 35(5): 74, 1973)。我们从1974年2月起用氢氧化钙治疗牙本质过敏20例。年龄从18～43岁。敏感牙总数44个,其中牙周 Dentin allergy efficacy of various drugs are not sure, repeated application of herbal preparations (such as garlic mixture and compound Asarum) in the short term efficacy of up to 67.4 ~ 74.6%, is still not very good. Recently, calcium hydroxide has been reported to be effective in treating dentin hypersensitivity in the dental neck (Oral Surg Oral Med & Oral Path, 35 (5): 74, 1973). From February 1974 we used calcium hydroxide to treat dentin hypersensitivity in 20 cases. Age from 18 to 43 years old. The total number of sensitive teeth 44, including periodontal