减阻牵张快速牙齿移动的组织学变化.pdf

中国组织工程研究与临床康复 第 14 卷 第 50 期 2010–12–10 出版
Journal of Clinical Rehabilitative Tissue Engineering Research December 10, 2010 ,

减阻牵张快速牙齿移动的组织学变化**★
祁 涛1，卢嘉静2，葛振林1，苏少晨3，杨彩霞1
Histological changes of periodontal ligament during rapid tooth movement through reducing
resistance and distraction
Qi Tao1, Lu Jia-jing2, Ge Zhen-lin1, Su Shao-chen3, Yang Cai-xia1
Abstract
1
School of BACKGROUND: Rapid movement of orthodontic tooth can be achieved with the method of reducing resistance and distraction.
Stomatology, However, the histological changes of the periodontal ligament during orthodontic tooth movement are not yet very clear.
Lanzhou University,
Lanzhou 730000, OBJECTIVE: To observe the histological changes of periodontal ligament during rapid tooth movement through reducing
Gansu Province, resistance and distraction.
2
China; Department METHODS: A self-control design was employed. The second premolars on both sides were extracted and one side was
of Stomatology, randomly selected as experimental side and the other as control side. The first premoalrs were distalized respectively using the
Taizhou Polytechnic
College, Taizhou method of reducing resistance and distraction o