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快速上颌扩大术近年来在世界各国相当盛行,但在我国尚未见到应用国产螺旋扩大器的报道。作者经过临床实践,总结成功矫正器的戴入;快速扩大和矫正;保持等三个临床应用节段,使矫正获得良好的效果。此方法的特点是:在两周之内能将上颌腭中缝分裂开,使牙弓扩大5mm以上,所以,对牙列拥挤5mm以下,以及轻度上前颌突,后牙反(牙合)的患者效果最佳。而且,将快速上颌扩大与T—N矫正器结合应用,明显提高疗效和缩短疗程。因此,此方法值得进一步研究和推广应用。
Rapid maxillary expansion in recent years in all countries in the world is quite popular, but in our country has not yet seen the application of domestic spiral amplifier reported. After the clinical practice, the author summarizes the successful wearing of orthosis; rapid expansion and correction; to maintain the clinical application of three segments, so that correction of good results. This method is characterized by: in two weeks can split the maxillary palate, the dental arch to expand more than 5mm, so crowded 5 mm below the dentition, and mild upper maxillary protrusion, posterior teeth anti (occlusal) The best patient effect. Moreover, the rapid expansion of the maxillary and T-N appliance in combination, significantly improve the efficacy and shorten the course of treatment. Therefore, this method deserves further study and popularization and application.