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retrusion相关的网络例句

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与 retrusion 相关的网络例句 [注:此内容来源于网络,仅供参考]

Its mechanism is downward and backward rotation of the mandible, the retrusion of the lower incisors, the protrusion of the upper incisors and the forward growth of maxilla.

FR-Ⅲ是矫治替牙期前牙反的理想方法之一,其机理是下颌骨向下、向后旋转,舌倾下切牙,唇倾上前牙,促进上颌骨向前生长。

Methods:Thirteen class Ⅱ patients (aged 10~13 years,male 6,femal 7) with mandible retrusion and slight maxillary protrusion were included.Radiographs of the left hand and wrist showed the patients were at the pubertal or pre-pubertal stage.All the patients were treated with the mandibular protraction appliance.

选择13例AngleⅡ类错牙合病人,男6例,女7例,最大13岁,最小10岁,均为替牙晚期或恒牙早期。X线头影测量显示主要为下颌后缩及轻微上颌前突,左手腕片显示为生长发育高峰期或高峰前期,所有病人用下颌前伸矫治器进行治疗。

Objective To guide the orthodontic diagnosis, treatment planning and prognosis by analyzing the craniofacial morphology and reimbursement mechanism of young patients with mandibular retrusion in Chongqing territory by Delaire cephalometric analysis.

目的 采用Delaire头影测量法分析重庆地区青少年下颌后缩患者颅颌面硬组织特征及其补偿机制,为进一步诊断、治疗设计及预后分析提供参考。

After functional appliance treatment of Angle class two division one subdivision malocclusion with mandibular retrusion , the trace of condylar movement is changed obviously, following the change of overbite, overjet and the suitable condylar rebuilding after functional appliance treatment.

下颌后缩型安氏Ⅱ类1分类错牙合在功能矫治结束后,髁状突发生了适应性改建,其覆牙合、覆盖较功能矫治前减小,髁突运动轨迹也发生了相应的改变。

Functional appliance is considered the most effective device to treat mandible retrusion in nonage. By appling orthopedic force, it stimulates mandible growth and improves bimaxillary relationship.

应用功能矫治器施以矫形力促进下颌生长发育,改善上下颌骨间关系及侧貌,被认为是早期矫治下颌后缩最直接有效的途径。

The trancings of condylar movement of Angle class two division one subdivision malocclusion with mandibular retrusion during mandibular movement are smooth and continual curve. There are no differences with condylar movement distances, condylar inclination and the hinge axis rotation between right and left condyle. There are no variance to movement form of the hinge axis comparing with normal occlusion. But the overlapping gender of condylar movement trace decrease than normal occlusion.

在不同的下颌运动中,双侧髁突在矢状面和水平面的运动轨迹均为光滑连续的弧形曲线,髁突位移、矢状面髁突倾斜度、水平面髁突倾斜度及铰链轴旋转度左右两侧无明显差异,铰链轴运动形态与正常牙合无明显差异,但轨迹的重复性低于正常牙合。2。

The main changes were the downward and backward rotation of the mandible, the retrusion of the lower incisors, the protrusion of the upper incisors.FR-Ⅲ also promotes the growth of maxilla and reaches the normal relationship of the anterior overjet and overbite.

结果:FR-Ⅲ能矫正上下颌基骨异常的矢状关系,主要变化是下颌骨向下、向后旋转,改变下颌骨生长的方向,同时使下颌切牙舌倾、上前牙唇倾,上颌骨向前生长。

objectivethe aim of this study was to evaluate the curative effects of the modified fixed reverse twin-block appliance combine edgewise on treatment of adult angle ⅲ anterior crossbite.methodsthe appliance was used on 15 adult subjects with angle ⅲ malocclusion and then compared clinical character and x-ray cephalometry before and after treatment.resultsafter 4 months treatment the appearance and profile were improve evidently, mandible retrusion was to lead molar and canine were angle i,overjet and overbite were normal.

目的:应用改良固定反式双阻板矫治器(twin-block appliance,tba)联合方丝弓技术矫治成人angleⅲ前牙反牙合,为成人前牙反牙合提供新的治疗方法。方法:矫治成人患者15例,进行临床表现及相关硬组织测量。结果:固定反式tba戴用4个月后下颌明显后退。所有患者在未拔牙的情况下前牙反牙合均得到有效治疗,磨牙及尖牙均达到i类关系。但上颌仅为牙及牙槽的代偿性变化。

During open/close movement, the distance of condylar movement is smaller than normal occlusion(P.05). During protrusion/retrusion movement, protrusion extent increase,the distance of condylar movement is bigger than normal occlusion(P.05). During lateral excursion, the trace in sagittal plane of the non-working side condyle is more incline than protrusion movement trace and the distance of the left non-working side condylar movement is larger than the right. During mediotrusion/right movement, the left biggest space distance is larger than normal occlusion and the transversal condylar inclination is smallar than normal occlusion when the distance of condylar movement is 5mm, the difference is statistically significant.

在开闭口运动时,双侧髁突运动幅度减小、位移量小于正常牙合者(P.05);前伸后退运动时,前伸幅度增加,位移量大于正常牙合者(P.05);侧方运动时,非工作侧髁突在矢状面上的轨迹较前伸轨迹向前下方倾斜度增加,非工作侧髁突空间位移左侧大于右侧,向右侧方运动中,左侧髁突空间位移大于正常牙合者,髁突位移5mm时水平面髁突倾斜度小于正常牙合者,差异有统计学意义。

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