查询词典 furcations

MTA was used to manage clinical problems. These included pulpless permanent teeth with incomplete root formation and perforation in roots or furcations.

本研究收集了2000—2001年期间在临床上治疗的牙根或根分叉穿孔的病例和根尖未发育完成并牙髓坏死的病例，用MTA修补穿孔和行根尖屏障术，共治疗10例，12颗患牙。

The immunohistochemical location of noncollagenous protein, bone sialoprotein , osteopontin and osteocalcin at different stages following periradicular surgery was undertaken. The crystals formation on surfaces of MTA was evaluated when treated in different conditions without cells in vitro and in vivo. MTA was used to manage clinical problems, including perforations in roots or furcations, and pulpless permanent teeth with incomplete root formation. The study included the following three parts

本研究试图通过体内外研究探讨MTA表面牙骨质形成的机理，动物体内动态观察根尖周组织在用MTA倒充填后的组织反应和细胞外基质非胶原蛋白的表达，体外观察MTA在不同的环境下表面的形态及成分变化，和在体内环境下材料表面磷灰石层的形成，同时结合临床病例观察其临床治疗效果。

MTA was used to manage clinical problems. These included pulpless permanent teeth with incomplete root formation and perforation in roots or furcations. Total 10 cases (12 teeth), former 7 cases (7 teeth) and latter 4 cases (5 teeth), were present. The follow-up periods were various from 6m to 21m.

应用免疫组织化学手段，观察细胞外非胶原蛋白骨唾蛋白（bonesialoprotein，BSP）、骨桥素（osteopontin，OPN）和骨钙素（osteocalcin，OC）在根尖周组织愈合期间的表达，尤其是在与倒充填材料直接相邻区域的表达。

The contour smoothing processing focused on the common zigzag and blurred effect occurred in conventional segmented images. The problems of fragments and furcations were also solved by the characteristic analysis of the local gray level.

该算法把消除颗粒噪声、采样离散化误差作为边缘平滑的重点；通过对图像局部灰度特性的分析解决了轮廓跟踪过程中出现的断边、分支问题。

At the buccal and lingual furcations of the mandibular first and second molars, they were recorded as 1.90 ± 0.08mm and 2.90 ± 0.07mm, and 2.82 ± 1.34mm and 3.46 ± 1.03mm, respectively.

CEJ 至牙根分叉入口处的距离平均值：上颚第一大臼齿的颊面，近心面及远心面的平均值分别是3.42±l.05mm；3.55±0.97mm及3.69±0.98mm。

The mean distance of CEJ-FEs at the buccal, mesial and distal furcations of maxillary molars were 3.42 ± 1.5mm, 3.55 ± 0.97mm, and 3.69 ± 0.98mm for the first molars, and 3.01 ± 1.04mm, 4.04 ± 1.58mm and 3.00 ± 1.14mm for the second molars.

上颚第二大臼齿的颊面、近心面与远心面之平均根叉角度分别是91.56±11.72 ； 101.65±11.45 ； 97.11±10.71。下颚第二大臼齿的颊面与舌面平均根叉角度分别是93.32±11.51 ； 91.72±10.77。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐