从无牙颌位到正中关系位下颌突度减小；
The changes of the mandibular protrusionreduce from the edentulous position to the centric relation position.
随着生长，男女上颌相对于颅底的位置无显著变化，而下颌突度增加；
With growth, the maxillary position which related to the cranial base was remained relatively constant while the mandible continually protruded forward.
无牙颌建位与正常人位无显著差异，从无牙颌位至最大张口位下颌突度的变化差异显著。
From the edentulous position to the largest open position, the mandibular protrusion showed marked difference at 5% level of significance.
他们的后裔逐渐提升了肺功能，鱼鳍进化为腿，下颌关节突生，以便提高陆地上的听觉。
Its descendants gradually improved the function of their primitive lungs, morphed their lobe fins into legs, and jury-rigged their jaw joints to hear in the air instead of water.
牙齿是嵌入在上颌骨和下颌骨的牙槽突。
The teeth are embedded in the alveolar process of the maxilla and mandible.
目的作者对骨性下颌前突伴偏斜患者的牙弓和牙齿代偿现象进行研究。
Objective To investigate the compensation of dental arch and teeth in patients with skeletal protrusion and deviation of mandible.
目的：探讨山羊下颌骨髁状突的受力方向特征。
Objective To reveal the direction of the loading on goat mandibular condyle.
下颌能做以髁状突为定点的转动。
方法对21例下颌骨角部和髁状突颈部骨折患者，采用微型侧壁螺丝刀，经口内微型钛板内固定。
Methods In 21 cases, internal fixations were performed at mandibular angle and condyle fractures with a micro-angular screwdriver through intraoral minimally invasions.
方法对102例新鲜颌骨骨折患者采用术前牵引后口内进路暴露颌骨骨折部位(除外下颌升支及髁状突骨折)以钛板坚强内固定的方法使骨折段复位固定。
Methods Intraoral incision was used to fix 102 cases of jaw fracture with titanium mini-plate and accompanied by the intermaxillary elastic traction before operation that made fracture bone fixed.
目的：应用带蒂颞肌筋膜瓣联合冠突移植治疗颞下颌关节真性强直，评价其重建颞下颌关节的效果。
PURPOSE:To determine the efficacy of interpositional temporalis myofascial flap and coronoid process graft in the treatment of temporomandibular joint ankylosis.
结论：下颌骨缺损重建对颞下颌关节结构和功能具有一定的影响，保留髁状突时所受影响要明显小于未保留髁状突组。
Conclusions: mandibular reconstruction affected the function of temporomandibular joint, which is less in patients of the condyle retained than in those of the condyle not retained.
探索三维CT对下颌骨髁状突矢状骨折（SFMC）的临床应用价值，分析SFMC好发位置及临床特点。
To study the diagnostic value of three dimensional (3D) CT in the sagittal fracture of mandibular condyle(SFMC), and analyse its predilection location and clinical characteristics.
结论采用微型侧壁螺丝刀经口腔内固定下颌骨角部和髁状突颈部骨折，完全避免了颌面部皮肤切口，尤其对患者的心理安慰，意义重大。
Conclusions Intraoral internal fixation on mandibular Angle and condyle fracture with a micro-angular screwdriver avoided facial incisions thoroughly it was of great significance to the patients.
目的：观察单侧或部分下颌骨缺损重建术后升支高度和下颌骨髁状突运动的变化。
Objective: the purpose of this study is to observe the changes of ramus height and condylar movement after mandibular reconstruction.
目的探讨髁状突假体在治疗下颌骨缺损中提高患者下颌骨功能，恢复面部外形的临床应用价值。
Objective To study the clinical value of TMJ condyle prosthesis on the reconstruction of mandible defects in order to improve the function and restore the continuity of mandible.
结果：下颌前突患者的术后满意率90 . 9%。
Results: 90.9% patients with mandibular protrusion are satisfied after the operation.
通过对颞下颌关节扫描图像的测量，探讨正常人群颞下颌关节相关的解剖关系，以及颞下颌关节的关节盘和髁状突位置关系，并作定量分析。
To discuss and analyze quantitatively the relative anatomy of the TMJ and the position relation between the articular disc and the condyle by measuring the MRI image of the TMJ.
目的：介绍髁状突游离再植行颞下颌关节重建术治疗髁突颈骨折的方法与疗效。
Objective: To report the method and effects of the TMJ reconstructions with condylar free implant for mandibular condylar neck fracture.
目的：应用粗裂钻和薄刃锐利骨凿施下颌骨升支垂直截骨术和矢状劈开截骨术治疗下颌骨前突畸形。
Objective:To correct mandibular prognathism with the technique of sagittal split ramus osteotomy(SSRO) and extraoral vertical ramus osteotomy(EVRO).
方法测量11例骨性下颌前突伴偏斜患者治疗前模型，将上颌腭中缝作为中线标准，测量牙弓两侧同名牙接触点到腭中缝的距离，观测牙弓的对称性。
Methods Measurement of 11 dental models was performed, midline of palate was defined as central line, the distance of every contact point to the midline was measured in each side.
结论下颌前突组，（1）舌骨向下移位，舌背上抬，舌根向后移动。
Conclusions Of the patients with mandibular prognathism, 1. the hyoid bone shifted downward, the dorsum lingua raised and the base of the tongue moved posteriorly;
我们使用正位透视验证胸骨柄-下颌骨中心连线是否平分颈椎棘突及椎体。
We used anteroposterior fluoroscopy to validate that a line from the middle of the manubrium to the mandible bisected the spinous processes and midline of the vertebral bodies.
方法选择17～25岁青年人400例，灌取上、下颌模型，利用自行设计的多媒体计算机诊断与预测系统对根突形态进行测量。
Methods We selected 400 suitable young people, 17 to 25 years old with diagnoses and forecast systems of computer. We measured the shape of root processus of their upper and lower models.
方法选择17～25岁青年人400例，灌取上、下颌模型，利用自行设计的多媒体计算机诊断与预测系统对根突形态进行测量。
Methods We selected 400 suitable young people, 17 to 25 years old with diagnoses and forecast systems of computer. We measured the shape of root processus of their upper and lower models.
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