切牙

Group C was composed of the resin crown, the cast metal post and core, the tooth structure after preparation and the periodontal structure.

在同等条件下以上中切牙的平均糟力分别给予加载，并对计算结果进行综合分析。

A comparison of three finite element model of edentulous mandible provided with implants.

生理载荷作用下上颌中切牙牙周膜应力分布的三维有限元研究。

Embryologic fusion of facial maxillary processes results in formation of paired epithelial strands that traverse the incisive canals caudally and ventrally connecting nasal and oral cavities.

面部上颌突胚胎期融合导致具有上皮组织的鼻腭导管形成，其横行穿过切牙管的后侧及腹侧，联通鼻及口腔。

The value of 〓 decreased from incisal to cervical part, and the hue turned from greenish yellow to redish yellow

上颌中切牙从切端到颈部其颜色的亮度值〓逐渐降低，色调由偏绿渐变为偏红

Rodent incisors are known to be continuously growing teeth that are maintained by both the cell-proliferation at the apical end and the attrition of the incisal edge.

啮齿动物的切牙终生不断生长，其高度通过切端磨损及根尖末端的细胞增殖来维持。

With strict control of indications , the partial coverage porcelain veneer could function satisfactorily as an alternative restoration for small incisal defect of an terior upper teeth .

结论在严格选择适应证的前提下，部分覆盖瓷贴面可以作为上切牙小面积切角缺损的有效治疗方法。

Among the 14 freshly extracted mandibular and maxillary incisors, 6 were treated with conventional root canal filling technique, 8 were treated by half-softened gutta percha points technique.

在14个新拔除的下颌与上颌切牙上，6个用一般方法处理根管，8个用半软牙胶尖根管充填术进行处理。

Results There were significant differences between one-phase and two-phase treatment, we found the more mandible growth in two-phase treatment, and more dental compensation in one phase-treatment, such as retractive upper incisiors and procline of lower teeth.

结果：两组患者治疗后的颌面形态以及牙齿的角度和位置均有明显不同，即双期治疗组患者下颌骨有明显生长，单一使用固定正畸治疗患者，上前牙较直立，下切牙较唇倾。

Experimental pulpitis of rat upper incisors was induced by mechanical and chemical stimuli.

用机械性刺激和化学性刺激稳定地诱导了大鼠上颌切牙牙髓炎。

The main changes were the downward and backward rotation of the mandible, the retrusion of the lower incisors, the protrusion of the upper incisors.FR-Ⅲ also promotes the growth of maxilla and reaches the normal relationship of the anterior overjet and overbite.

结果：FR-Ⅲ能矫正上下颌基骨异常的矢状关系，主要变化是下颌骨向下、向后旋转，改变下颌骨生长的方向，同时使下颌切牙舌倾、上前牙唇倾，上颌骨向前生长。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。