查询词典 malocclusion

The perioral force correlated with malocclusion. The position of the teeth decides the value of the perioral force.

口周力的大小与错〓类型是相关的，牙齿的位置决定了口周力值的大小。

After this groundwork, the condyle movement of 29 close deep bite malocclusion were recorded by CADIAX and recorded again after the close bite was eliminated and the upper incisor procline.

在此基础上对29名闭锁性深覆〓的髁突运动特征，以及闭锁解除以后髁突运动的改变予以分析。

During the treatment of skeletal Class ill malocclusion in mixed dentition, the reverse Twinblock could procline the upper incisor, accelerated the development of maxillary and mandibular ramus, and restrained the development of mandibular body. A randomly allocated prospective study was required to fully evaluate the bone efficacy of this appliance.

反向Twinblock矫治器可使上切牙唇倾、位置前移；在治疗期间能促进上颌骨的发育，抑制下颌体的发育，促进下颌升支的增高；反向Twinblock矫治器的对上下颌骨的长期作用有待进一步研究。

Class II division 1 malocclusion is common in clinic, in which patients with descrepency often appear mandible retrusion. It has an adverse effect on growth, beautiful outlook and psychological develepment.

安氏Ⅱ~1类错牙合是临床常见的错牙合畸形，其中很多Ⅱ类错牙合的儿童存在下颌后缩，严重影响了儿童的生长发育、颜面美观和身心健康。

This type of discrepancy brings about modification in the skeletal profile caused by maxillary protrusion,mandibular retrusion, or a combination of this malocclusion.

二级异常咬合占了人口的百分之二十左右，其在颜面外观的特殊表徵包括了：上颚骨前突、下颚骨后缩或是合并以上两种特徵。

Most Angle class two division one subdivision malocclusion with mandibular retrusion have their characteristic condylar movement style, the difference from that of normal occlusion maybe correlate to condylar position, overbite and overjet.

下颌后缩型安氏Ⅱ类1分类错牙合的髁突运动轨迹有较典型的特征，可能与其髁突位置、前牙覆牙合覆盖有关。

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。

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。

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。

For those whose teeth appears transpositions, extruded, anteverted or dropped and periodontal disease involvement, it will be of benefit to take orthopedic treatment, which will eliminate the causes of disease, correct the pathologic malocclusion and relieve the bony periodontal pocket.

矫治结束后19例患者使用活动保持器保持，6例患者使用树脂粘结夹板保持，3例患者使用了常规的固定修复保持。结果矫治疗程平均时间为28个月，在所有患者中，治疗前与治疗后牙周状态均有所改善，治疗后患者牙周袋深度均比治疗前减小，出血指数也比治疗前明显减小。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。