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目的比较自酸蚀粘接+麻花丝树脂夹板与全酸蚀粘接+麻花丝树脂夹板分别固定外伤致松动的年轻恒前牙的疗效。方法选择年轻恒前牙外伤松动的患者110例共计126颗患牙,随机分组,实验组64颗患牙采用自酸蚀粘接+麻花丝树脂夹板,对照组62颗患牙采用全酸蚀粘接+麻花丝树脂夹板,分别进行固定,固定两周时复查夹板的稳固性,固定三周后去除固定装置。拆除夹板六个月后复查患牙的疗效进行评价。结果固定两周时实验组稳固率87.5%,对照组稳固率88.7%,两组无显著性差异;拆除固定装置六个月后实验组有效率89.1%,对照组有效率90.3%,两组无显著性差异。结论自酸蚀粘接+麻花丝树脂夹板固定年轻恒前牙外伤松动的疗效和稳固性可达到与全酸蚀粘接+麻花丝树脂夹板的水平,由于前者操作简单,更适宜临床推广。
Objective To compare the curative effect of self-etching adhesive + twist silk resin splint and all-acid etching adhesive + twist silk resin splint to fix the loose young permanent anterior teeth. Methods Totally 126 patients with 110 cases of young permanent anterior teeth trauma were randomly divided into groups. The experimental group of 64 teeth were treated with self-etching adhesive and twist silk resin splint, while the control group of 62 teeth were all-acid eroded Then + twist silk resin splint, respectively, fixed, fixed two weeks review the stability of the splint, fixed after three weeks to remove the fixture. Remove the splint six months after the review of the efficacy of teeth evaluation. Results The fixation rate was 87.5% in the experimental group and 88.7% in the control group, with no significant difference between the two groups after fixation for two weeks. The effective rate was 89.1% in the experimental group and 90.3% in the control group after six months’ Significant difference. Conclusion The effect and stability of self-etching adhesion and cannabis resin splint fixation for young permanent anterior teeth injury can reach the level of all-acid erosion bonding and hemp resin splint, which is more suitable for clinical promotion due to the simple operation of the former.