种牙

Objective: To evaluate the influence of three dentin desensitizers on shear bond strengths of a total-etch adhesive to dentin surfaces.

目的：研究三种牙本质脱敏剂处理牙本质表面后对全酸蚀粘接剂剪切强度的影响。

Conclusion: It is a new method to establish a computerized 3-D model of dentition defect.

结论：提供了一种牙列缺损计算机三维建模的新方法，为三维义齿专家系统的开发和计算机辅助教学的发展创建了基础。

Two registration of periodontal bone destruction methods were used with slight modifications. Maxillary specimen radiographs were taken with X-ray machine to measure periodontal bone support ( PBS).

应用两种牙周骨破坏记录方法，摄取上颌骨标本X光片以测量牙周骨支持率（PBS）；

OBJECTIVE: To compare the fatigue resistance of vertical fractured teeth after bonding restoration in two different periodontal healing modes.

目的：比较再植后两种牙周愈合方式下，纵折牙粘结修复后的抗疲劳强度。

METHODS: 4 dental restorative materials were soaked in culture medium ( DMEM) for leachate solution. The effect of each material on viability of pulp cell was measured by the MTT assay.

方法：制备4种牙体修复材料的细胞培养基（DMEM）浸出液，采用四唑盐MTT比色分析法测定材料对人牙髓细胞生长的影响；

Conclusion Topical application of Contax is an effective way to reduce or eliminate cervical dentin sensitivity.

结论Contax可以作为一种牙本质脱敏剂有效地降低牙颈部牙本质敏感症状。

What kind of toothbrushes would you like?

你要哪种牙刷?

Cytotoxicity of 4 kinds of dental restorative materials on human pulp cell in vitro

4种牙体修复材料对人牙髓细胞毒性的实验研究

Methods: Microtensile strength of five wet bonding systems was measured on different dry or moist dentin bonding surfaces.

方法：测试和比较5种牙本质湿粘结系统在干燥或润湿的牙本质表面粘结时的微拉伸强度。

CONCLUSION: The cytotoxic effect of 4 kinds of dental restorative materials on pulp cell was relatively low in vitro, which indicated that all the materials has good biocompatibility.

结论：4种牙体修复材料均对牙髓细胞的生长无不良影响，具有良好的生物相容性。

To do either of the two crowns, need more grinding out of ivory teeth tooth mass will lose more, column heart and coronary heart needs to be done at this time.

要做这两种牙冠，需要修磨掉的齿质较多，牙齿齿质会丧失较多，此时就需要做柱心与冠心了。

The museum at the Faculty of Medicine in Paris owns one of these tusks with a length of 2.25 meters and a width at its base of forty-eight centimeters!

巴黎医学院陈列馆就藏有一枚这种牙齿，长两米二十五厘米，底宽四十八厘米！

Clinical Evaluation of Two Tooth Preparation Methods of Metal-porcelain Restoration

金属烤瓷修复体两种牙体预备形式的临床性能比较

Poor oral hygiene is the major cause of periodontal disease, a chronic infection of the tissues surrounding the teeth.

研究人员说，牙周疾病是一种牙周组织的慢性感染性疾病，口腔卫生差是其发生的一个主要原因。

Inhibition of extracts from 17 Chinese herbs on periodontal pathogenic microbes

17种中药提取物对6种牙周可疑致病菌的体外抑菌实验

Conclusion The three types of PLV preparation all can obtain the ideal appearance and color, if the cases selected reasonably, the tooth prepared enough and high strength composite systems are used.

【结论】合理选择适应证、足够的牙体制备及高强度树脂粘结系统，可保证3种牙体预备类型均能使PLV获得良好的外形、满意的颜色及可靠的临床近期粘接强度；

A new laser scanning and measurement method was introduced for dental model three-dimensional form.

介绍了一种牙颌模型激光三维形态扫描测量分析方法。

This kind of tooth brush is eight cents cheaper than that kind.

这种牙刷比那种便宜八分钱.

Is this toothpaste on sale today?

这种牙膏今天减价出售 吗 ?

Jamaican fern having round buttonlike bulbils.

具有圆形纽扣状珠芽的一种牙买加蕨类.

What kind of tooth-paste do you want?

你要哪种牙膏?

Activity of Yunnan Propolis Against 3 Periodontal Bacteria in Vitro

云南蜂胶对3种牙周致病菌的抑制作用

Everyday use of desensitizing toothpastes should be considered and recommended as a noninvasive, inexpensive and efficacious first line of treatment.

抗敏感牙膏是首选推荐的、适合患者自己使用的一种牙本质敏感控制方法。

The adhesion of plaque on dental restorative between gallium alloy and amalgarn alloy were compared.

摘要本文比较了镓合金与银汞合金两种牙体修复材料的耐磨性、腐蚀性及菌斑附著情况.

Abstract Objective: To study and compare the wear property of four kinds of non-noble dental alloys to tooth enamel, and approach their relationship between wear property and rigidity.

目的：对比测试四种牙用非贵金属材料与天然牙釉质之间的磨耗性能，研究它们的磨耗情况与其硬度值间的关系。

Objective To compare the antibacterial activities of metronidazole, tinidazole and ornidazole against 4 common periodontal pathogen respectively, in vitro.

目的比较甲硝唑、替硝唑和奥硝唑对4种牙周优势病原菌的抗菌活性。

AIM: To study pulpal response to direct pulp cappings with two dentin bonding agents in comparing with calcium hydroxide cement.

目的：观察两种牙本质黏结剂对活体牙髓组织的影响，并与氢氧化钙直接盖髓结果进行对比。

The utility model relates to a reciprocating electric toothbrush which relates to a toothbrush.

往复式电动牙刷,涉及一种牙刷.

Objective To study the sealing ability of Gallium Alloy as a retrograde root-filling material.

目的：比较镓合金与GK高铜银汞合金两种牙体修复材料的倒封闭性能，探讨镓合金用作根尖倒封闭材料的可行性。

The toothbrush gently removes plaque without damaging the gums.

这种牙刷可以温和去除牙菌斑而不损伤牙龈。