West China Journal of Stomatology
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XIAO Li-wei1,CHEN Yang-xi2,BAIDing2,ZHANG Jing-ju2,DUANPei-jia2
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Abstract:
Objective To explore the combined effects of orthodontic force and inflammation on the remodelling of periodontal tissues.Methods The upper firstmolars underwentmesial orthodontic force on 48 rats suffering experimental periodontitis and 48 rats injected lipopolysaccharide, respectively.Results TheTNF-αprotein expression in the compressed periodontal tissues fluctu- ated during 0,2,12 hours and 2,7,14 days stages, the OD value got to the peak in the compressed periodontal tissues in 2 days. Conclusion The mechanical remodelling effectswere hindered due tothe circumstance of acute or chronic inflammation. The re- search suggests that the orthodontic treatment to adult patients with periodontal inflammation should be taken carefully.
Key words: periodontal inflammation, orthodontic force, remodelling, tumor necrosis factorα
XIAO Li-wei1,CHEN Yang-xi2,BAIDing2,ZHANG Jing-ju2,DUANPei-jia2. Effects of Orthodontic Force on Tumor Necrosis FactorαProtein Expression in the Inflammatory Periodontal Tissues [J]. West China Journal of Stomatology.
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