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| 1 | 钛板种植体支抗前方牵引治疗骨性Ⅲ类上颌后缩畸形的疗效观察显示文摘目的:对钛板种植体支抗前方牵引治疗骨性Ⅲ类上颌后缩畸形的疗效进行观察。方法:选取我院2014年1月至2015年1月收治的30例骨性Ⅲ类上颌后缩畸形患者,随机分为观察组和对照组,观察组患者接受钛板种植体支抗前方牵引治疗,对照组患者接受常规方法治疗,对比治疗效果。结果:观察组患者牙源性改变不明显,但骨性改变更显著,侧貌得到有效改善;对照组患者牙源性改变较大,骨性变化不明显,侧貌显著改善。结论:钛板种植体支抗前方牵引可有效改善骨性Ⅲ类上颌后缩畸形患者的侧貌,疗效稳定可靠。 | 赵蕴 | 2016 | 中外女性健康研究2016，，6： | 0 |
| 2 | 微钛板辅助上颌前方牵引支抗稳定性的三维有限元分析显示文摘目的为临床不同方向下进行前方牵引时,不同形态微钛板的选用提供参考。方法构建6种改良型微钛板及上颌骨的三维有限元模型。对该模型牵引位点施加大小为4.9 N/侧,方向为与上颌牙合平面夹角为0°~50°向前下的力,分析各工况下微钛板所受应力及其固位螺钉所受拉力和应力。结果 (1)不同微钛板均可固定于上颌骨颧牙槽嵴处且无受力过大或应力中断现象。(2)固位螺钉受力具有差异性。角度为0°时,Y3型微钛板固位螺钉受力离散程度较小为3.899 N,10°~40°时,L3型微钛板固位螺钉受力离散程度较小分别为4.544、4.170、3.820、3.547 N,50°时,L2型微钛板固位螺钉受力离散程度较小为2.687 N。结论微钛板辅助上颌骨发育不足患者在不同方向下进行前方牵引时,应考虑选用不同形态:牵引方向与牙合平面夹角为0°时,选用Y3型微钛板;夹角为10°~40°时,选用L3型微钛板;夹角为50°时,选用L2型微钛板。 | 刘一儒 黎涵懿 颜冬 李宁宁 李祥 张晗 朱宪春 | 2018 | 口腔医学2018，38，12： | 0 |
| 3 | Three-dimensional Finite Element Analysis of a Newly Designed Onplant Miniplate Anchorage System显示文摘The purpose of this research was to evaluate the structural stress and deformation of a newly designed onplant miniplate anchorage system compared to a standard anchorage system. A bone block integrated with a novel miniplate and fixation screw system was simulated in a three-dimensional model and subjected to force at different directions. The stress distribution and deformation of the miniplate system and cortical bone were evaluated using the three-dimensional finite element method. The results showed that the stress on the plate system and bone was linearly proportional to the force magnitude and was higher when the force was in a vertical direction(Y-axis). Stress and deformation values of the two screws(screw 1 and 2) were asymmetric when the force was added along Y-axis and was greater in screw 1. The highest deformation value of the screws was 7.5148 μm, much smaller than the limit value. The load was decreased for each single miniscrew, and the ability of the new anchorage system to bear the load was also enhanced to some degree. It was suggested that the newly designed onplant miniplate anchorage system is effective, easily implanted and minimally invasive. | 刘琳 屈银英 蒋立君 周倩 唐天琪 | 2016 | Journal of Huazhong University of Science and Technology(Medical Sciences)2016，36，3： | 0 |
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