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目的:了解极固宁脱敏对减轻龋洞充填术后牙本质过敏的效果。方法:将152例患者的280个患牙随机分为试验组和对照组,对照组备洞后常规充填,试验组备洞后先用极固宁脱敏,然后常规充填,比较两组的即刻和3个月后的牙本质过敏发生率。结果:试验组的即刻和3个月后牙本质过敏发生率均低于对照组。结论:龋洞充填前先用极固宁脱敏能有效降低术后的牙齿过敏,值得临床推广。
Objective: To understand the effect of PZT on alleviating dentin hypersensitivity after caries filling. Methods: 280 teeth of 152 patients were randomly divided into experimental group and control group, the control group were filled with normal filling, the experimental group after the first holes with dengtangning desensitization, and then filled, the two groups immediately And the incidence of dentin hypersensitivity after 3 months. Results: The incidence of dentin hypersensitivity in the experimental group was lower than that in the control group immediately and 3 months later. Conclusion: It is deserved to be clinically popularized before using dental decoction to detoxify teeth effectively after dental filling.