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目的比较对于外伤松动牙使用扁钢丝树脂夹板固定法与使用麻花丝树脂夹板固定法的临床疗效。方法对98例6岁8个月至11岁2个月儿童的106颗外伤松动恒前牙,采用随机分组法分为实验组和对照组,实验组用麻花丝树脂夹板法进行固定,对照组采用扁钢丝树脂夹板法进行固定,20天后去除固定装置。治疗前、治疗后1、3、6、12、24个月,分别拍片,观察牙根发育及根尖周情况,同时进行临床检查。结果实验组成功率为94.5%,对照组成功率为92.1%,两组成功率比较差异无统计学意义。结论麻花丝树脂夹板法固定外伤松动恒前牙方法简单,疗效满意。
Objective To compare the clinical efficacy of flat steel wire splint fixation and cannabis resin splint fixation for loosened teeth. Methods Ninety-six looting permanent teeth of 98 children aged 6 months, 8 months to 11 years and 2 months old were randomly divided into experimental group and control group. The experimental group was fixed with hemp silk resin splint method and the control group Using flat steel wire splint method to fix, remove the fixture after 20 days. Before treatment, 1,3,6,12,24 months after treatment, respectively, filming, root development and apical week observation of the situation, at the same time for clinical examination. Results The success rate of the experimental group was 94.5%, while that of the control group was 92.1%. There was no significant difference in the success rates between the two groups. Conclusion Hemp silk splint splint method of loosening permanent anterior teeth is simple and the curative effect is satisfactory.