查询词典 dental

5 Wt% of P2O5 could give high content and prospecting SEM appearance of dental lithium disilicate glass-ceramic.

该玻璃体系中添加4.5 wt%的P2O5可以得到较高体积含量和理想显微结构的牙科二硅酸锂微晶玻璃。

Oweing to the suitable coefficient of thermal expansion and refractive index of lithium disilicate crystals, lithium disilicate glass-ceramics could obtain high mechanical strength and translucent effect simultaneously, which show a brilliant future in dental aesthetic restorations. The purpose of the study was to investigate the effects of glass composition, content of P2O5 and heat treatment procedures on microstructure and properties of final glass-ceramic products.

二硅酸锂晶体具有适宜的热膨胀系数和光折射系数，与玻璃相能够达到良好的热力学和光学匹配，使得二硅酸锂玻璃陶瓷在具备较高机械性能的同时，仍能保持优秀的半透光特性，实现了高强度和美学效果的统一，在全瓷美学修复领域具有广阔的应用前景。

The high mechanical properties of dental lithium disilicate glass-ceramics were attributed to the relatively high crystalline content, residual stress and the interlocking microstructure.

实验玻璃陶瓷ELDC和e.max Press均以二硅酸锂为主晶相，晶相含量60-70%，棒状二硅酸锂晶体均匀分布，大小为2-5μm，形成互锁微结构。

Superior chemical stability was found for both glass-ceramics before or after heat-pressing.7. In this experiment, all-ceramic restoratives were made with experimental lithium disilicate glass-ceramic using dental heat-pressing technique.

结果表明：热压铸对实验二硅酸锂玻璃陶瓷的晶相组成和晶体含量无显著影响，热压前后玻璃陶瓷均是以二硅酸锂为主晶相；热压后二硅酸锂晶体尺寸轻度增大，呈现出一定程度的定向排列趋势；热压前后实验二硅酸锂玻璃陶瓷均表现出良好的化学稳定性。7。

In the event of delivery tooth row, loosting, disnature have direct impact on the delivery of dental work correctly.

收纸牙排一旦松不静、错位，不离会间接感化收纸牙排的侧常工息。

The interdental distance between the mesial groove of the first molars and distal groove of the second molars was measured on the maxillary dental casts. The interdental distances at the end of experimental tooth movement and retention were calculated. The effectuality of retentive appliances was evaluated by comparing the tooth movement distances between the experimental side and control side.

在加力结束后和保持结束后即刻制取上颌石膏模型，测量所有模型的第一磨牙牙合面近中沟与第二磨牙牙合面远中沟的距离，计算加力结束后与保持结束后的距离，比较实验侧与对照侧的牙齿移动距离，评价保持装置的有效性。

Methods Seven patients with fractures of the jaw had procedures performed to recover the occlusal relationship by using an edgewise - appliance as a dental arch epithesis.

方法利用方丝弓矫治器作为牙弓夹板对颌骨外伤患者进行术中颌关系复位、术后颁关系调整，观察其疗效。

Redwood equinus upholstered couch is a single Alice Royal head, three curved legs, inverted horseshoe kicking strong, connected to Juan Cao Wen dental lamina, couch surface mat glued to the plate with Taiwan, there Dongnuanxialiang nature of things that after long years of increasingly rosy, yellow couch cushions express a natural and graceful atmosphere, and this general feeling fine Ming-style couch and stretch.

红木马蹄足软包贵妃榻为单翘头，三弯腿，内翻马蹄蹬踹有力，连接着卷草纹牙板，榻面用台湾草席粘在薄板上，有冬暖夏凉之性，年久后会越发红润，黄色榻垫烘托出雍容华贵之气，这款明式榻总体感觉细腻而舒展。

To base on domestic and oversea productive technology and principle of gypsum, to combine with development of modern resin, and to improve traditional productive technology exploratively, the aim is to analyze influential factors in the course of synthesis of hemihydrated gypsum, enhance purity of hemihydrated gypsum on productive technology, synthesize a kind of dental gypsum and research preliminary on these existing questions about insufficient mechanical strength and worse surface hardness of present gypsum of molding materials to certain extent.

目的：基于周内外主要石膏模型材料生产工艺及原理，结合现代树脂类材料发展趋势，对传统生产工艺进行探索性改良，旨在对半水石膏合成中的一些影响因素进行分析，于制作工艺方面提高石膏纯度，使合成的石膏模型材料在一定程度上能改善现代石膏模型材料存在的机械强度不足和表面硬度较差的问题。

It is designed for helping gnosis of dental patient by taking intraoral and/or extraoral images.

通过口腔内或口腔外拍片，来帮助医生进行病理诊断。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。