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- mandibula retrusion 下颌后缩
- But the retrusion of alveolar mandible led to chin protrusion. 前颅底和下颌骨发育正常,而下牙槽突代偿性后缩可导致成年腭裂患者的假性颏前突。
- Objective:To improve the understanding of X-ray features of the odontogenic keratocyst of mandibula. 目的:提高对牙源性角化囊肿X线征象的认识。
- The tracings of condylar movement in right and left parasagittal planes during protrusion and retrusion were recorded by computer-aided axiography. 结果:单侧后牙反牙合者前伸后退运动轨迹多不重合,反牙合侧前伸髁道斜度明显大于对侧。
- Ramus height and condylar width reduced in the mandibular retrusion group, which was a result of condylar growth inhibition during adolescence. 结果：下颌后缩组的髁突宽度、长度以及升支高度明显较小，说明髁突和升支发育受到抑制。
- It suggests that the antedisplacement of the mandibula have no significant affect on the posterior airway space and the profile of the corpora linguae. 前一种手术表现为舌骨后退幅度小于颌骨后退幅度，后一种手术舌骨的前徙幅度小于颌骨的前徙幅度，说明软组织的可容让性比骨组织大。
- Methods: The X-ray findings of 60 pathologically proven cases with odontogenic keratocyst of mandibula were retrospectively analyzed. 方法:回顾性分析经病理证实的60例下颌骨牙源性角化囊肿的X线资料。
- The relationship between the distance of the setback of the mandibula and the change of the measured figures were also analyzed. 舌骨垂直向变化与下颌颏部垂直向变化显著相关。
- Methods Using the data set of visible Chinese male, then undertake three-dimension reconstruction and volumetric display of masc mandibula bone. 方法应用山东男性数字化可视人数据集,在微机上对下颌骨进行计算机三维重建及立体显示。结果重建出下颌骨的三维模型。
- Results: Pilot model of mandibula, built with paper was modelled, the dimensions of the model were in agreement with the mandibula specimen. 结果： 得到了下颌骨纸质实物模型,其几何外形与下颌骨标本基本一致。
- Results Gallium chloride could increase the bone density of mandibula, widen the average width of the bone trabecular, and decrease the ration of the bone trabecular ... 结果镓盐治疗可引起大鼠颌骨骨密度增加,颌骨的平均骨小梁宽度、骨小梁百分比增加,骨小梁间距变小。
- Objective: To evaluate the feasibility of reconstruction of large mandibula defect with the association of titanium plate combined with implants and bone transplantation. 摘要目的：探讨钛板携带种植体与植骨联合修复大型下颌骨缺损的可行性。
- All the quantized figures were analyzed using paired t-test.The relationship between the distance of the setback of the mandibula and the change of the measured figures were also analyzed. 本研究认为男女虽然代偿机制不同，但下颌骨后退总体上均能使后气道前后径减小，随访结果证实这种减小是永久性的。
- Methods The height and the width of the mandibula r ramus,the locations of the mandibular foramen and the canal and so on were mea sured in 40 sides of mandibular ramus in 20 cadavers. 方法对20例40侧新鲜湿性下颌骨标本测量下颌升支的高度和宽度,下颌孔和下颌管的位置等。
- The author identified and measured 5 landmarks of mandibula two times according to ten digital cephalometric radiographs selected randomly, then the mean error of measurements were determined. 随机选择10张数字化头颅侧位定位片,由作者对下颌骨上的5个测量指标进行先后两次定点和测量,然后对两次测量结果进行比较,检验重复测量误差的大小,是否对测量结果有影响。
- Keywords Distraction osteogenesis;Midface retrusion; 牵引成骨术;面中部后缩;
- Keywords Molar;Retrusion;Intraoral fixed anchorage;Molar retrusion appliance; 关键词磨牙远中移位;口内支抗;磨牙远中移位装置;
- Keywords 3-D finite element method;Implant;Mandibula;Stress; 三维有限元法;种植体;下颌骨;应力;
- Keywords removable inclined bite plate;adult orthodontics;Class II malocclusion;mandibular retrusion;deep overbite; 活动斜面导板;成人正畸;安氏II类;下颌后缩;深覆牙合;
- Observation on the Curative Effect of Two-Stage Rectification Treatment on the Deformation of Mandibular Retrusion in Dental Transitional Period 替牙期下颌后缩畸形的两期矫正疗效观察
