变骨

Ling recommended a design that is collarless, polished, and tapered in two planes ( Fig. 7-21 ) to allow a small amount of subsidence and to maintain compressie stresses within the cement mantle.

Ling推荐了一种无颈领、抛光，并在两个平面逐渐变细（图7－21）的假体，它允许少量的下沉并可维持骨水泥套内的压应力。

Most of Blood rheology examination is different significantly （ P ＜0.05）, It explained that the result to control the blood fats level and the blood high congealment condition of treatment group is better than Chinese herb control group.

在血液流变学指标上，大部分子项目有显著性差异（P＜0.05），说明骨愈灵胶囊控制血脂水平及降低血液高凝状态的能力优于桃红四物汤。

Objective:To investigate the characteristics and diagnostic values of ultrasonography in the maxillary cystic disease.

目的：探讨超声显像在颌骨囊性病变中的特征及诊断价值。

Methods An analysis on 50 cases of jaw bone cystoid disease was made.

回顾性50例上颌骨囊性病变病例的CT表现与临床资料。

Results Of the 50 cases of jaw bone cystoid disease,there were 6 of jaw bone cyst,15 of radicular cyst,7 of dentigerous teeth cyst,4 of keratocyst,7 of nasopalatine cyst,3 of ball maxillas cyst,5 of ameloblastoma and 3 of craniofacial fibrous dysplasia.

结果 50例颌骨囊性病变中有孤立性颌骨囊肿6例，根端囊肿15例，含牙囊肿7例，角化囊肿4例，鼻腭囊肿7例，球上颌囊肿3例，造釉细胞瘤5例，骨纤维异常增殖症3例。

Zeng Feng said that the osteoblasts dominance of one party, the failure of osteoclasts, the absorption can not be old, broken bones, the bones become brittle and hard,"once the forces encountered, as demagnetizer by the impact, answered broken Crack."

曾国峰说，成骨细胞一方独大，破骨细胞失灵，无法吸附老旧、坏掉的骨头时，骨头会变得硬而脆，「一旦碰到外力，就像磁器受到撞击，应声碎裂」。

Results In 84 cases of nerve root type,stenosis was found in 438 intervertebral foramen,of which C6～7 and C5～6 intervertebral foramen stenosis accounted for 79.6%.The causes of intervertebral foramen stenosis were uncinate process articulation hyperosteogeny,intervenebral disc protrusion,vertebral body hypertrophy,zygapophysis hyperosteogeny and dislocation etc.40 cases of vertbral artery type manifested that vertbral artery became slim and deviousness as a result of the compression of vertbral artery （20.7%） by osteophyte.22 cases of myeloid type manifested with cervical spinal canal stenosis,hyperosteogeny of posterior vertebral body edge,posterior longitudinal ligament calcification and cervical intervertebral disc protrusion etc.

结果 84例神经根型中，发现椎间孔狭窄438处，其中C5～6和C6～7椎间孔狭窄占79.6%，椎间孔狭窄的成因有钩突关节骨质增生、椎间盘突出、椎体肥大、小关节突骨质增生、错位等；40例椎动脉型表现为骨赘压迫椎动脉（52.5%），导致椎动脉变细、粗细不均和椎动脉迂曲。22例脊髓型表现为颈椎椎管狭窄、椎体后缘骨质增生、后纵韧带钙化、椎间隙狭窄和颈椎间盘突出等。

The histopathological findings of the partial ADD included the loss of chon- drocyte, horizontal splitting of the condylar cartilage and synovitis at early stage, and the hyperplasia of chondrocyte, the disarrangement of collagen fibers at late stage, but the articular surface remained intact.

完全性关节盘前移位和关节盘穿孔的组织病理研究发现，髁状突软骨变薄，部分区域软骨丧失，软骨细胞增生成族，肉芽组织形成，软骨及软骨下骨出现水平及垂直裂隙，软骨下骨纤维形成，甚至出现囊肿。

Result: The model group rats bone epiphysis were thinner, the trabecular cracks were more numerous and the net-structure was destroyed.

结果：模型组大鼠胫骨器板变薄，骨小梁裂纹、断裂者较多，网状结构破坏。

Result: The model group rats bone epiphysis were thinner, the trabecular cracks were more numerous and the net - structure was destroyed.

结果：模型组大鼠胫骨骺板变薄，骨小梁裂纹、断裂者较多，网状结构破坏。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐