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两种牵张方向对下颌骨体部牵张成骨影响的实验研究 被引量：1

A study on the influence of two different directions on mandibular distraction osteogenesis
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摘要 目的:研究2种不同牵张方向对下颌骨体部牵张成骨的影响。方法:新西兰大白兔10只,随机分2组,每组5只,在动物颏孔前0.5 cm处截骨安牵张器。A组牵张器沿延伸轴放置;B组牵张器沿矢状轴放置,在牵张后4、8周时分别进行放射学检查及组织学检查,探索出牵张器哪一种牵张方向更有利于牵张器的稳固,加快成骨速度,提高成骨质量。结果:牵张器平行于下颌骨矢状轴放置优于平行于延伸轴放置。结论:牵张器平行于矢状轴放置成骨速度快,成骨质量高。 Objective：To investigate the influence of two different directions on mandibular distraction osteogenesis. Methods： Animal experiments,radiology and hisbology were used to evaluate the distraetors in two directions： parallel to the Y axis or the extension axis. lntramembranous ossification and bone formation were evaluated. Results：Distractors setted parallel to Y axis is better than the others did. Conclusion： Results of the study provides theory proof for how to set distractors in the clinical practice.
作者 刘志辉 刘春丽 杨春英 王博蔚 秦绪喜
机构地区 长春吉林大学口腔医院 吉林大学第二医院 吉林大学机械工程学院
出处 《实用口腔医学杂志》 CAS CSCD 北大核心 2009年第1期18-21,共4页 Journal of Practical Stomatology
基金 吉林省科委资助基金项目(编号:20040508)
关键词 下颌骨 牵张成骨 Mandibular distruction osteogenesis Two different distract directions
分类号 R782.23 [医药卫生—口腔医学]
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共引文献16

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实用口腔医学杂志
2009年 第1期

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