查询词典 tooth root

This patient of sorts at Miami's Metrozoo goes to the dentist for a root canal. The Malayan Sun Bear also had another tooth repaired.

这位迈阿密城市动物园的病人因牙根管问题而去看了趟牙医，这只马来黑熊之前也曾补过一颗牙。

Recently, with the development of imaging technology, three-dimensional reconstruction has been applied in the study of tooth anatomy, especially, root canal morphology.

近年来，随着影像学技术的发展，三维影像重建技术已开始应用于牙齿解剖形态的研究，尤其是根管形态学研究。

There is no doubt that bacteria are the main etiologic agents for periodontal disease. With the progression of periodontal destruction, the following syptoms may occur: moderate to severe gingival inflammation, increased tooth mobility, pathological migration, vertical occlusal dimension loss, improper crown to root ratio, furcation involvement, absence of keratinized gingiva, unaesthetic appearance, as well as difficulties in chewing causing by unstable occlusion.

中文摘要细菌是牙周疾病的主要致病因素已是不争的事实，但随著牙周疾病破坏的进程，临床上表现出来的徵兆除了中度至重度不等的牙龈发炎现象之外，更可发现牙齿摇动度渐增、牙齿位移、咬合高度丧失、不良的牙冠根比、根叉病变、角化牙龈宽度不足、美观不佳、更甚者缺乏稳定的咬合导致咀嚼困难等。

A bonelike substance covering the root of a tooth .

牙骨质一种覆盖住牙根的骨状物质

A bonelike substance covering the root of a tooth.

某些有蹄动物头上一种骨质的突出。

It is difficult to restore the large defect of pulpless tooth body. The dentinal peg and root canal peg filling were used before, which needed specialized instrumnets and materials.

无髓牙牙体大面积缺损的修复是比较困难的，主要有牙本质钉、根管钉桩核等修复方法，均需要专门的工具器械和材料。

Objective:Statistical analysis of mandibular molar mesiodistal crown width and tooth length and development of root.

目的：统计分析下颌第一、第二、第三磨牙牙冠近远中宽度、牙体长度、分根情况以及相关因素。

My wife was schedule for a root canal last year and a few weeks before her tooth started paining and couldn't sleep.

我的妻子是附表一根去年，在数星期前，她的牙齿开始画，不能入睡。

The follow-up periods were various from 6m to 21m. The apical MTA barrier technique was used to manage pulpless permanent teeth with incomplete root formation. The postoperative radiographs showed complete repair of periradicular tissue in 5 of 7 teeth and improvement obviously in other 2 teeth. Only one case (1 tooth) had a 3mm periodontal pocket in four perforation repair cases. The lesion at the perforation sites was improved obviously.

追踪观察时间为6-21月。4例穿孔修补的病例，均为延迟修补，除一例为根尖1／3处的病理性吸收外，其余患牙的穿孔部位位于牙根的冠1／3或根分叉处，一例6m复查时有3mm的牙周袋形成，其余患牙骨吸收暗影均明显缩小。7例根尖发育不全并无髓牙的病例均为成人，5例根尖暗影完全消失，2例明显缩小。

According to the known position of each tooth, the root concavities of 1026 teeth were recorded and analyzed in this study.

本研究乃选取有明确位置记录之牙齿，对其牙根面凹陷出现之情形，加以统计与分析。

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。