牙周膜的

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。

Objective To determine the effect of tea polyphenol on the proliferation of human periodontal ligament fibroblasts.

目的 观察茶多酚对人牙周膜成纤维细胞增殖的影响。

There is growing evidence that human periodontal ligament fibroblasts are involved in this process.

越来越多的证据表明人牙周膜成纤维细胞(Human periodontal ligament fibroblasts， HPLF)在此过程中发挥了重要作用。

Methods: The three-dimensional finite element model, consisting of tooth, peridental membrane, compact and cancellous bone, was developed.

以电子计算机技术建立了包括牙齿、牙周膜、硬骨板、松质骨和皮质骨的下颌前磨牙三维有限元模型。

The extract of cemental matrix can enhance the initial attachment of HGF and HPC on the root surface.

牙骨质基质提取物能够促进牙周膜细胞在牙根表面上的附着。

Results: Immunohistochemical staining revealed that expression of RANKL protein was detected in periodontal ligament cells and osteoclasts which mostly located in resorption lacunae.

结果：正畸牙移动压力侧组化结果显示，RANKL阳性表达位于牙周膜细胞和位于骨陷窝内的破骨细胞中，在正畸牙移动第3、5和7天时呈强阳性表达。

Methods 40 cases were selected,and comparing the peri odontal ligament injection through using the computerized local anesthetic delivery with traditional manul local anesthesia.

方法选择40例病人，采用无痛局麻注射仪进行牙周膜浸润麻醉，并与传统的手推式麻醉方法对比。

The expression of sTNFRⅠin transfected pericementum cell culture supernatant was higher than the contrast groups.

质粒PcDNA3.1-sTNFRⅠ可以在牙周膜细胞中高效表达，并且可以抑制肿瘤坏死因子的活性。

In this paper, we used three di- mensional finite element method to calculate the stresses in the periodontium of abutments.

本研究采用三维有限单元法对固定桥基牙牙周膜内应力的分布规律进行了计算分析。

For the abutment with severe bone lost, pontic width reduction can significantly reduce the stress in PDL of it, and protect the health of remaining periodontium of abutment.

对于基牙牙槽骨高度降低的固定桥，桥体减径可以更加明显地降低基牙牙周膜应力，对桥基牙起到保护作用。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。