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- To analyse stress state of mandible pulled by masticatory muscles. 目的:应用有限元方法分析咀嚼肌牵动的下颌骨应力状态。
- The relaxation splint and mandibular stabilization splint can relax the masticatory muscles. 松弛性(牙合)垫和稳定性(牙合)垫均对咀嚼肌有松弛作用。
- Results The accurate solid model of masticatory muscles and mandible was reconstructed and t... 结论在可视化人体超薄切片基础上,所确定的咀嚼肌三维肌力向量更符合生理状况。
- Objective To explore the influence of the type of occlusal splint on the masticatory muscles (TA, MM). 摘要目的探讨松弛性(牙合)垫与稳定性(牙合)垫对咀嚼肌(咬肌、颞肌前束)肌电的影响。
- Objective: To investigate the influence of hemimastication on morphology of condyle and ultrastructure of masticatory muscles. 目的:观察偏侧咀嚼对大鼠髁突形态及嚼肌超微结构的影响。
- Methods A three-dimensional solid model of masticatory muscles and mandibule was built up on basis of images of Chinese Visible Human. 方法利用可视化人体图像先对咀嚼肌进行三维重建,再确定各咀嚼肌的最大生理性横截面积,计算出最大肌力后,再进行向量分解。
- Results Masticator space involvement is visualized on CT and MRI as effacement of the fat plane, swelling of the masticatory muscles, and erosion of the mandibular ramus. 结果咀嚼肌间隙病变的CT、MRI表现为间隙内脂肪密度影消失,界限欠清,咬肌肿胀,有时可见下颌骨破坏。
- Methods : The electromyography of masticatory muscles was studied in 40 patients with unilateral posterior teeth loss and 40 volunteers with complete dentition as control. 方法: 对40例单侧上颌后牙缺失患者组成的缺牙组和40例牙列完整的自愿者组成的对照组,进行肌电图检查。
- Conclusion : Unilateral posterior teeth loss has effect on the electromyography of masticatory muscles and may play a role in temporomandibular diseases. 结论: 单侧后牙缺失可以对咀嚼肌肌电图造成影响,可能是颞下颌关节疾病的发病原因之一。
- Bruxism is a disorder characterized by grinding and clenching of the teeth, companied with fasciculation of masticatory muscles in nonfunctional status. 磨牙症是在非功能状态下咀嚼肌发生自发性收缩,使上下牙彼此磨动或紧咬的现象。
- In chronic MMM there is atrophy of the jaw muscles, and scarring of the masticatory muscles due to fibrosis may result in inability to open the mouth (trismus). 慢性咀嚼肌肌炎中,下颌肌肉萎缩、咀嚼肌纤维化,这将导致犬只无法张口。
- Objective The similarities of masticatory muscles and teeth orientations between miniature pigs and human beings were studied in order to evaluate the use of miniature pigs in oral biomechanics research. 目的探讨小型猪咀嚼肌及牙长轴方向与人类的相似性,以利其在口腔生物力学研究中的应用。
- The purpose of this retrospective, controlled study was to evaluate the electromyographic (EMG) activity of masticatory muscles in subjects with different orofacial pain conditions. 本实验是回顾性对照研究,旨在评价不同口颌面疼痛状况下患者咀嚼肌的肌电活动。
- Objective: To investigate the short-term and long-term effects of occlusal rehabilitation on the co-contractration patterns of masticatory muscles of patients with extensive tooth wear. 摘要目的:探讨咬合重建修复对牙齿重度磨耗患者咀嚼肌肌电图之间协同模式的近、远期影响。
- Mandibular movement is a kind of complex spacial three dimensional movement which is the result of contractions of active masticatory muscles and guided by the occlusion and temporomandibular joints. 下颌运动是在牙合、咀嚼肌及颞下颌关节共同参与下进行的一种复杂的三维运动,对下颌运动的研究是通过下颌运动轨迹描记仪进行的。
- Methods By means of anatomy,the shapes, start-stop points and orientations of muscle of major masticatory muscles of miniature pigs were measured. 方法通过解剖学方法对五指山系小型猪主要咀嚼肌的形态、起止点、肌力方向进行测量,并通过头颅侧位片的测量,对小型猪上下颌后牙长轴倾斜性进行研究。
- Masticatory muscle myositis (MMM) is an inflammatory disease in dogs affecting the muscles of the jaw. 咀嚼肌肌炎是一种炎症性疾病,它影响到犬只的下颌肌。
- Objective To determine the three-dimensional muscle force vectors of masticatory muscles. 目的通过可视化人体图像确定咀嚼肌的三维肌力向量。
- AIM: To study the effect of different head position on the electromyography of masticatory muscle. 目的:研究不同的头位变化对咀嚼肌肌电活动的影响。
- Masticatory muscle dysfunction was present in every stage of CMD and developed with the worse of TMJ lesion. 咀嚼肌功能紊乱贯穿于CMD的各个阶段 ,随着TMJ病症的加重 ,咀嚼肌功能紊乱亦会加重 ;