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目的探讨安慰剂的使用对儿童第一磨牙龋病患者牙科焦虑症的影响。方法 84例筛选出牙科焦虑症患儿,按就诊顺序随机分为实验组和对照组,各42例。分别给予安慰剂干预治疗和常规龋病治疗,以视觉模拟评分法记录并比较两组治疗前后疼痛值。结果实验组治疗后疼痛值明显降低(t=5.693,P<0.01),而对照组治疗后疼痛值有所加重(t=6.323,P<0.01),两组在治疗后疼痛值差异具有统计学意义(t=2.704,P<0.01)。结论安慰剂可减轻儿童第一磨牙龋病患者牙科焦虑症的疼痛程度。
Objective To investigate the effect of placebo on dental anxiety in children with first molar dental caries. Methods 84 cases of children with dental anxiety were screened and randomly divided into experimental group and control group according to the order of treatment, 42 cases in each group. Placebo treatment and conventional caries treatment were given respectively. The visual analog scale was used to record and compare the pain values before and after treatment. Results The pain value of the experimental group was significantly lower after treatment (t = 5.693, P <0.01), while the pain value of the control group was aggravated (t = 6.323, P <0.01) Significance (t = 2.704, P <0.01). Conclusion Placebo can reduce the pain of dental anxiety in children with first molar dental decay.