查询词典 maxillary

Results: When the top shape of osteotomes was concave,displacement and tensile stress were the maximum at the maxillary sinus floor.

目前，在临床中，骨挤压器顶端形状分为凸形、平形和凹形3种，对于哪种形状的骨挤压器在窦底提升术中提升效率高，对窦底的损伤小，目前观点不一致。

Results: The first 3－D finite element model of the maxillary incisors,which including orthodontic appliances and pulp cavity,was successfully constructed.

结果：建立了首个包含髓腔和矫治器系统的左侧上颌切牙段三维有限元模型，形态逼真，精度高。

Methods first, the pulp cavity walls of 25 maxillary premolars were systematically observed and photographed by scanning electron microscopy, then, these photographs were analysed by morphometry.

首先采用扫描电镜对25颗4的髓腔壁进行系统观测，并分区定点摄影，然后对扫描电镜照片进行形态测量。

With increasing resorption of alveolar bone, the center of resistance of the maxillary incisors including pulp cavity, were located within the mid-sagittal plane,6.1mm lingual to archwires labial side, respectively at 38.5 %, 47.3%, 55.2%, 64.1%, 75.2%length of the central incisor measured from the alveolar crest.

1、在不同程度齿槽骨吸收时上颔切牙段在各种载荷作用下，中切才｝侧切才的应力分介基木相同，均为丁恨表而应力最大，齿槽骨人山厂入上，丁人司膜应力最个。

Methods The models of tooth extraction wound were established by extracting the left and right maxillary first molares in 60 Wistar rats, and randomly divided into two groups. Right sides of teeth extraction socket were used as experimental groups,experimental group 1 was filled with 30% aloe mastic , experimental group 2 was filled with 50% aloe mastic.

60只Wistar大鼠拔除左右上颌第一磨牙，建立拔牙创动物模型，随机分为实验1和2组（30%和50%芦荟膏组，每组30只），右侧拔牙创内放入芦荟膏作为实验组，左侧常规处理作为对照组。

When you are disappointed, never look down in the mouth, biting the tight maxillary joint, stick out the chest, because of the flame mountain that did not can not pass

当你失意的时候，千万不要垂头丧气，咬紧牙关，挺起胸膛，因为没有过不去的火焰山

Objective To evaluate the effect of using rapid maxillary expansion accompanied with straight wire appliance on dental arch and basal bone.

目的评价快速上颌扩弓和直丝弓矫治器联合使用对牙弓、基骨宽度的影响。

Results After all the patients were treated with maxillary protraction ,facial angle decreased,H angle increased,Ls move forward,Ss move forward, anterior lower face height increased, and the changes had statistics significance.

结果 本研究24例骨性III类错牙合，经上颌前方牵引器矫治后，患者软组织面角减小，H角增大，上唇突点前移，上唇凹点前移，下面高增加，且有统计学意义。

And it is no longer an absolute contraindication in this area today. However, there are still some potential risks while implantation in upper posterior alveolar ridge. One of them is the displacement of dental implant into maxillary sinus.

但是随著材料与手术方法的进步，目前上颚后牙区已不再是人工植牙的禁忌症；然而此部位的手术方式仍有许多潜在的风险，植体位移到上颚窦中便是其中的一种。

I can not negligent, he should do what?

我不能不在意了，他要做什么呢？

It is very dangerous to swim in the river alone.

一个人到河里游泳是很危险的。