Shanghai Kou Qiang Yi Xue
April 2011
Purpose: To establish an animal model of orthodontic rapid tooth movement through distraction osteogenesis of the periodontal ligament and assess the cell proliferation including osteoblasts, osteoclasts and bone cells.
Methods: Forty rats were randomly divided into experimental and orthodontic control group, and received BrdU injection at the beginning of distraction intraperiotoneally. Traditional orthodontic model was established in the control group.