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目的探讨口腔正畸中2×4矫治技术的临床应用体会。方法回顾性分析近年来收治的45例替牙期前牙反患者的临床资料。结果 45例替牙期前牙反患者,经2×4矫治技术治疗,均收到良好的矫治效果,疗程1.5～6.5个月,平均4.2个月。治疗前后的ANB、OB、OJ、U1/SN比较,差异有统计学意义,P<0.01;治疗前后的FMA、L1/MP比较,差异有统计学意义,P<0.05。结论 2×4矫治技术在口腔正畸过程中,是一种装配简单,操作方便,作用力持久,高效快捷的理想的矫治技术,值得在临床上广泛开展应用。
Objective To investigate the clinical application of 2 × 4 orthodontics in orthodontics. Methods The clinical data of 45 cases of anterior teeth patients with anterior teeth recovered in recent years were analyzed retrospectively. Results 45 cases of anterior teeth patients with anterior teeth, the treatment by 2 × 4 correction techniques, have received good correction effect, 1.5 to 6.5 months of treatment, an average of 4.2 months. There were significant differences in ANB, OB, OJ and U1 / SN between before and after treatment (P <0.01). There was significant difference in FMA and L1 / MP between before and after treatment, P <0.05. Conclusion 2 × 4 orthodontic technique is an ideal orthodontic technique with simple assembly, convenient operation, long lasting force, high efficiency and quickness. It is worth widely applying in clinical practice.