【摘要】 目的 :研究成人牙齿移动过程中根尖和根周硬组织的变化。方法 :采用Digora分析定位牙片 ,分析尖牙移动前后的牙根长度 ,牙槽骨密度以及牙槽骨高度。结果 :移动前后的牙根长度 ,牙槽骨密度以及牙槽骨高度无显著性差异。结论 :成人正畸对根尖及根周硬组织均无影响更多还原

【Abstract】 Objective:To study the impact of orthodontic treatment on root length, height and alveolar bone dense.Methods:The subjects were twenty patients with an edgewise appliance. postreatment root length, height and density of alveolar bone were compare with the pretreatment.Results:There are no sufficient differences between the pretreatment and the postreatment.Conclusions:Adult orthodontics could not change root length, height and density of alveolar bone.更多还原