查询词典 pulp cavity

Inlay-crown can be applied to the residual molar crown with deep and large pulp cavity .

嵌体冠可应用于髓腔深大的磨牙残冠修复。

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。

Materials and methods: Vitro model of discolored teeth: Sample of fresh erythrocytes was placed in the pulp cavity of 20 extracted teeth and centrifuged twice daily for 25 minutes over a period of 3 consecutive days.

材料与方法：在20颗因正畸拔除的健康离体牙髓腔内封入新鲜红细胞，以2500rpm／min离心25分钟，每天两次，连续离心3天制备变色牙模型。

Compared with the diameter and the density of tubular opening, the mean percentage tubular opening area reflects the feature of the pulp cavity wall more comprehensively.

牙本质小管口的相对面积较单纯的牙本质小管口的直径和密度更能全面地反映不同部位髓腔壁的特征。

Objectively reflected the real tooth figure and the pulp cavity figure of the tooth.

能真实反映牙齿外形及髓腔三维结构。

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。

Objective The purpose of this study is to reveal the micromorphological featare and law of the pulp cavity walls of human premolars and to provide a micromorphological basis for root canal therapy and dentine sensitivity.

目的：揭示在髓腔壁的微细形态学规律，为根管治疗术以及理解牙本质过敏现象提供应用形态学基础。

Objective The purpose of this study is to reveal the micromorphological featare and law of the pulp cavity walls of human premolars and to provide a micromorphological basis for root canal therapy and dentine sensitivity.

提 要 目的：揭示在髓腔壁的微细形态学规律，为根管治疗术以及理解牙本质过敏现象提供应用形态学基础。

At last, in Ansys 9.0 software, by Boolean operation, different parts of the crown （ enamel, dentin and pulp cavity） were separated, and the 3D meshes were created respectively.

再将模型导入Geomagic7软件中进行精修和细化，形成有限元分析软件可识别的实体三维模型，最后，将牙体组织的三维实体模型在Ansys9.0软件中进行布尔运算，区分出釉质、牙本质及髓腔系统，并分别进行了网格划分。

Results: 1. The three-dimension (3D) model reconstructed by Micro-CT scan data objectively reflected the real contour and the pulp cavity figure of the tooth.

实验结果： 1。本研究采用Micro-CT扫描，准确、安全、无创伤、分辨率高，所得到的断层信息可以较清晰的显示牙体组织及根管系统等结构，又不破坏标本的完整性。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。