硝酸钾是无色、结晶体,易溶于水,pH值约6.5。经国外多种动物实验证实无毒,应用于人类安全量大。美国Hodosh医师1974年首先应用于暴露牙根表面脱敏治疗。继后与多类水门汀粘固粉液混合做早期穿孔性牙髓炎的盖髓术,效果显著。我科对龋蚀露髓的早期牙髓炎病例,采用该药作盖髓治疗,经系统定期观察163例,效果满意。材料和方法由龋蚀引起穿髓,或去龋时意外露髓,无 Potassium nitrate is a colorless, crystalline, easily soluble in water, a pH of about 6.5. After a variety of animal experiments confirmed non-toxic, used in human safety large. American physician Hodosh first applied in 1974 to expose the root surface desensitization therapy. Followed by mixing with various types of cement cements do early perforation pulpitis pulp capping, the effect is significant. Our department on carious pulp demyelinating early pulpitis cases, the use of the drug for capping treatment, regular observation of 163 cases by the system, the effect is satisfactory. Materials and Methods Resulting from carious pulp piercing, or caries to accidentally exposed pulp, without