查询词典 cuspid teeth

Preventing teeth decay: People normally believe that the fluorine in the tea can increase the resistance of the teeth enamel to the erosion of the acid, so that the tea can prevent teeth decay. Actually, it is also because that the acacatechin can strongly refrain the Streptococus mutans.

预防龋齿：茶叶防龋作用，一般认为是茶中的氟，而使牙釉质对酸的侵蚀具抵抗力，但是儿茶素类能强烈抑制生龋菌也功不可没。

The using of cephalogram is limited because of the structure overlapping of the skull, jaw and teeth, for example the overlapping of the right side teeth and the left side make it difficult to distinguish the landmarks of posterior teeth.

颅颌骨牙齿之间影像的重叠使头颅定位x线片的应用受到了限制，比如牙列的重叠使后牙区的标志点难以辨认，所以对牙列的研究要借助牙〓模型。

Methods Nineteen bone impacted and unerupted teeth in 18 cases selected by orthopantomograph were scanned by 3DX-CT with 1.0 mm slice thickness. Images obtained by 3DX-CT (horizontally, sagittally, coronally) were analyzed after multi-plane reconstruction and 3D reconstruction including the angle of the bone axis impacted and unerupted teeth; maximum radius of the coronal teeth; distances between the tooth and the cortical bone around; distances to the neighboring tooth roots and nerve forum canal; the thickness of the bone tissue, etc.

对经曲面断层片筛选出的18例19枚埋伏牙进行牙科三维CT检查，扫描层厚1.0mm，重建后进行图像三维断面显示（包括水平位，矢状位，冠状位），对牙位图像进行分析及测量（包括埋伏牙牙长轴的角度，牙根弯曲度，牙冠的最大径，与骨皮质的距离，与邻牙根、神经孔／管的距离；骨质的厚度、高度等）。

Methods Orthodontic therapy was undertaken using straight-wire appliance, and then ceramic veneers were made in the treatment of 52 anterior teeth (21 patients),including malaligned teeth, rotated teeth, microdontia and diastema, partly with segmental defects and abnormal colors.

采用正畸直丝弓矫治技术和烤瓷贴面联合治疗52颗前牙（21例患者），包括错位、扭转、过小、牙间隙，或伴牙齿部分缺损、色泽异常。

Not only can make each kind of yellow teeth, black teeth, fumatory teeth pure white and bright, regarding the center mild tetracyclin tooth, the fluorine spot tooth also may achieve the ideal decolorization effect.

欧诺洁深层增美牙贴不仅能使各种黄牙、黑牙、烟茶渍牙达到洁白亮丽的要求，对于中轻度四环素牙、氟斑牙也可达到理想的脱色效果。

Not only can make each kind of yellow teeth, black teeth, fumatory teeth pure white and bright, regarding the center mild tetracyclin tooth, the fluorine spot tooth also may achieve the ideal decolorization effect.

欧诺洁深层美白牙贴，应用革命性的目标色素同步加速激活技术，生成的丽齿新生态活性氧，能自由渗透进入牙釉质和牙本质中，提高牙齿活力，促进牙齿自身代谢，使牙齿在自身代谢过程中恢复洁白

During en mass retraction of upper anterior teeth with straight wire technique, the length of anterior hook mainly influenced anteroposterior moving pattern of anterior teeth. As anterior hook increased from 0 to 6mm, labiolingual displacements of lateral incisor varied form lingual tipping to lingual translation and lingual controlling root movement, while 3-D displacements of other teeth only increased in account.

3直丝弓矫治技术整体内收上前牙时，牵引钩的长度主要影响前牙的矢状向位移方式：牵引钩长度增加至6mm的过程中，除侧切牙在唇舌向上由舌向倾斜运动变为舌向整体平移和舌向控根运动外，前牙的三维位移只有数量的增大，趋势基本保持不变。

After being loaded with horizontal retraction force at various height, displacement and stress distribution of anterior teeth was not well-distributed. Labiolingual displacement of incisors varied from crown lingual tipping to lingual translation and lingual controlling root movement, while canine mainly showed crown lingual tipping. The displacements of teeth increased with the length of hook but their moving tendency remained unchanged. Stress distribution in PDL was in accordance with teeth displacement.

2水平向后牵引力的作用点升高时，上前牙的位移和应力分布趋势各不相同：切牙的唇舌向位移由冠舌向倾斜逐渐变为舌向整体移动和舌向控根移动，尖牙则以冠舌向倾斜位移为主；前牙位移量随牵引力高度增加而增大，但位移趋势较为稳定；牙周膜应力分布与其位移趋势相一致。

Methods After 3 dimensional measurement,data process and making model of a edentulous model, artificial teeth and the maxillomandibular bite plate, on the position of centric relation, the artificial teeth were arranged according to the principle and demand of the complete denture's teeth arrangement.

近年来，随着三维(3D)测量技术和计算机辅助设计(computer aided design，CAD)软件的发展，测量并记录口腔软、硬组织和颌位关系的3D方法迅速提高，计算机辅助设计与辅助制作系统已广泛应用于口腔医学的临床和教学。

Now many manufacturers in order to increase its power in its teeth, dental and dental pad that is similar to the surface of the plinthitic "", such as the radiograph ruled in Heidelberg and teeth of clishion, prodenia, Roland sandbiasting teeth pads, gaobao sulbur, clishion, and so on rubber dental materials are quite good, but in use for some time also fails as a result of wear and tear.

此刻许众制造商为了补充叼牙的叼力，都在牙片和牙垫上安插了近似&网纹&的暗地，如海德堡的牙片屈纹与牙垫平纹、曼罗兰的喷砂牙垫、矮不废的含橡胶牙垫等等，其质料都是很是不错的，但在搁置一段工夫后同样也会因磨损而爆发障碍。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。