1)Unilateral posterior crossbite单侧后牙反
1.Study of mandibular asymmetry and condylar position in children with unilateral posterior crossbite;儿童单侧后牙反患者下颌及颞颌关节的对称性研究
2.Prevalence of unilateral posterior crossbite among children with deciduous dentition in Xi an;西安市儿童乳牙列单侧后牙反患病情况
3.Prevalence of unilateral posterior crossbite among adolescents with permanent dentition in Xi'an西安市青少年恒牙列单侧后牙反患病情况调查
英文短句/例句
1.Prevalence of unilateral posterior crossbite among adolescents with permanent dentition in Xi'an西安市青少年恒牙列单侧后牙反患病情况调查
2.Condylar asymmetry in children with functional unilateral posterior crossbite and changes in condylar position after treatment儿童功能性单侧后牙反患者的髁突对称性及矫治后髁突位置变化的研究
3.Mandibular asymmetry and condylar position in patients with unilateral posterior crossbite;单侧后牙反(牙合)患者下颌及颞颌关节的对称性研究
4.Study of the Prevalence of Unilateral Posterior Crossbite and Effects on the Masticatory Function;单侧后牙反合患病情况的调查及其对咀嚼功能影响的研究
5.Study on the Level of PGE_2 in Masseter Muscle of the Rats by Unilateral Posterior Teeth Loss;大鼠单侧后牙缺失咬肌PGE_2水平的研究
6.Clinical Study on the Orthodontic Treatment of Unilateral Posterior Scissors Bite单侧后牙正锁正畸矫治的临床研究
7.Study of the Condylar Movement Traces of the Unilateral Posterior Buccal Crossbite;单侧后牙正锁牙合患者髁突运动轨迹研究
8.Application of four angles coil cable root cap attachment in single side distal extension removable partial dentures四角圈簧根帽附着体在单侧后牙游离缺失修复中的应用
9.The Analysis of the Finite Element-aid Design of Fixed Bridge Supported by Implants in Restoring the Single Side Distal Free-end Edentulism;有限元分析辅助单侧后牙游离端缺失种植固定桥修复的设计
10.Establishment of 3-D finite element model of fixed bridge supported by implants in restoring mandibular single side distal free-end edentulism下颌单侧后牙游离端缺失种植固定桥三维有限元模型的建立
11.Conclusion It is necessary to treat lateral incisor cross-bite early.结论 侧切牙反牙合宜早期进行矫治
12.Cephalometrics analysis of lateral incisor cross-bite in early permanent恒牙初期侧切牙反?的头影测量分析
13.When absorption of alveolar bones around a single root abutment reached 20%,its stress was concentrated.当一侧单根基牙牙槽骨吸收达20%时,此基牙出现应力集中;
14.Clinical Evaluation of the Periodontal Status in Children with Unilateral Complete Cleft Lip and Palate单侧完全性唇腭裂儿童牙周状态的临床评价
15.Soft tissue profile changes of anterior cross bite case after FRⅢ functional appliance treatmentFRⅢ型功能矫治器矫治前牙反的软组织侧貌变化
16.Exercise stress test were performed in these patiens, 3 of one ITA group and 1 of two ITAgroups were positive respectively.术后运动试验单侧组3例阳性,双侧组1例阳性。
17.The Clinical Observation of Recovery after Orthodontics of the Cross-bite and Loss of the Anterior Teeth;上前牙缺失伴前牙反矫治后修复疗效观察
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相关短句/例句
Unilateral posterior crossbite单侧后牙反(牙合)
3)unilateral posterior crossbite单侧后牙反牙合
1.Objective:To study character mandibular movement tracings during mandibular protrusion in patients with unilateral posterior crossbite and compare the difference with normal occlusion.目的:探讨单侧后牙反牙合髁突前伸运动轨迹的特征并比较与正常牙合之间的差异。
2.The characteristic tracings of mandibular movements at the condyle of unilateral posterior crossbite patients were investigated using a computerized axiography.目的通过记录单侧后牙反牙合者与正常牙合者下颌开闭口运动时髁突在三维方向上的运动轨迹,探讨单侧后牙反牙合者髁突开闭口运动轨迹的特征,揭示其与正常牙合之间的差异。
4)posterior crossbites后牙反
1.Objective To treat the 11 patients with posterior crossbites,which were caused by the improper orthodontic therapies,through the two mandibular second premolar extraction and to examine its effects on the tooth arch.目的通过拔除下颌第二前磨牙矫治11例因矫治不当导致后牙反的患者,观察该方法的临床效果及不足。
5)posterior crossbite后牙反
1.Condylar asymmetry in adults with unilateral posterior crossbite and the changes in condylar position after treatment.;成人单侧后牙反患者髁突的对称性及矫治后髁突位置的变化
2.Condylar asymmetry in children with functional unilateral posterior crossbite and changes in condylar position after treatment儿童功能性单侧后牙反患者的髁突对称性及矫治后髁突位置变化的研究
3.Objective:To evaluate the maxillary expansion effects of posterior crossbite patients treated with elastic wrapping bite guard and screw expansion mechanic in the mixed dentition.目的:探讨弹性包绕式垫加螺旋扩弓器矫治替牙期后牙反的适用性及治疗前后的牙颌结构变化。
6)posterior single tooth单个后牙
延伸阅读
单侧曲面与双侧曲面单侧曲面与双侧曲面one - sided and two - sided surfaces 单侧曲面与双侧曲面(帐.幼山月.砚加。一浦山吐,叮肠。污;o月.oc”POHHNe.刀”yc功PollH“e no.epxltocT.) 以不同的方式放置于外围空间中的两类曲面(单侧放置(one一sid留泌ition)和双侧放置(t场U.si山刘p沈i石on)).例如,柱面是双侧曲面,而M施如带(M冬biuss州P)是单侧曲面.这两类曲面之间的特征区别是,柱面的边界由两条曲线组成,而M6bi留带的边界是单独的一条曲线.在封闭曲面中,球面(sPhere)和环面(torus)是双侧的,而X】曲1曲面(Kleins班鱼沈)是单侧的.作为双侧放置和单侧放置的例子,可以引用圆周在M6blus带中的嵌人.这样,圆周“(见图)是单侧曲线,而圆周刀是双侧曲线(一般说来,任何无定向道路(d留丽enii飞path)单侧地落在曲面中). 霍重)薰黔 更确切地说,单侧曲面和双侧曲面是以不同的方式嵌人在(维数高过1的)外围空间中的两类流形.双侧性和单侧性与可定向性和不可定向性(见定向(。山nta石on))有关,但是它们不是曲面的内在性质,而依赖于外围空间.例如,存在可定向的双侧曲面:梦C=夕,护C=R,;不可定向的双侧曲面:’R尸ZxOCR PZ xs,;可定向的单侧曲面:尹二S,xs,c= RPZx夕;不可定向的单侧曲面:R尸,CR尸(这里,梦是球面,产是环面,R尸“是射影平面,RP3是射影空间,夕是R尸上迷失方向的路径). 在可定向空间(例如,R”)中一个超曲面是可定向的,当且仅当它是双侧的. 假定一个法向量沿着浸人在某个空间中的光滑曲面上一条闭曲线移动,并保持它是曲面的法向量.如果不管如何选择闭曲线,当回到出发点时法向量的指向与它原来的指向总是一致的,则称该曲面是双侧的(t认。一sid记);反之,则称它为单侧的(o优一51山沮).更一般地,曲面n是双侧放置的当且仅当它的法丛(nonl以1 bundk)是平凡的(在这个丛里存在一个非零截面).反之,单侧曲面的法丛是非平凡的:在n上存在一条曲线使得法丛在它上面的限制是一条M6bius常. 空间N”中每一个(超)曲面M”一’在局部上都把尸分成两部分,即任意一点x任M月一’C=N“有一个邻域U cN,使得U由两个分支U’和U“组成,而U门M“一’属于它们的公共边界.在另一方面,M”一’在N”中的充分小邻域(如果M在N中是封闭的)或者是一个分支,或者有两个分支,其边界包含M在内.在第一种情形,(超)曲面M”一’也称为单侧的(one-51山沮),在第二种情形,称为双侧的(腼、51山过).因而,虽然曲面在局部上是双侧的,但是在大范围上它可能是单侧的.反过来,双侧曲面未必分隔它在空间中的邻域. 对于落在N“+’中的双侧曲面M”,任意一条封闭曲线:与M”在N”十’中的相交指数(同调论中的)(运如加叨。n in(七x(in holnofogy))满足方程(:,M”)二Olllod 2.但是,如果M”是单侧的,则对某条曲线:日丫+’(:,M·)笋0.这个事实(与法向量的移动及邻域的分隔一起)也能取作单侧性和双侧性的定义.