摘要
目的:探讨固定矫治器和功能矫治器矫治替牙期前牙反牙合的作用机理、矫治效果和适用范围。方法:41例替牙期前牙反牙合病例,其中21例使用2×4固定矫治技术治疗,20例使用功能矫治器治疗。对两组病例治疗前后X线头影测量指标进行分析。结果:固定矫治组可以通过牙槽骨改变解除前牙反牙合;功能矫治器组除牙性改变外还有骨骼改变。结论:早期固定矫治器配合Ⅲ类颌间牵引可以有效矫治替牙期牙性、功能性前牙反牙合,功能矫治器适用骨性或混合性反牙合病例。
Objective：To compare difference of the effect, mechanism and applicability of treating anterior crossbite of mixed dentition by fixed appliance and functional appliance. Method： 21 cases with anterior crossbite of mixed dentition treated by fixed appliance and 20 cases by functional appliance were selected. Cephalometric indices were studied to compare the dental and bony tissue changes. Result：There were only dental changes in fixed appliance group. While in functional group, there were both dental changes and bony tissues changes. Conclusion： Dental and functional crossbite should be treated by fixed appliance, while functional, mixed and bony crossbite should be treated by functional appliance.
出处
《临床口腔医学杂志》
2006年第8期471-472,共2页
Journal of Clinical Stomatology
