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Polymethyl methacrylate is the most used filling materials at present; There is not significant difference between unipedicular and bipedicular vertebroplasty; Using vertebral body venography and appropriate dense bone cement can reduce leakage of bone cement; Bolster for self-replacement can rebound vertebral body height, and balloon kyphoplasty and sky bone expander kyphoplasty can be avoided; In order to reduce refracture of vertebral body, anti-osteoporosis drugs should be used in the treatment of percutaneous vertebroplasty.

聚甲基丙烯酸甲酯是目前最常用的填充物；单侧注射和双侧注射疗效没有明显差别；应用对比剂及掌握合适的骨水泥黏稠度可以减少骨水泥的渗漏率；成形前腰部垫枕自身复位可以恢复椎体的高度，避免采用操作复杂及价格昂贵的球囊后凸成形及骨膨胀椎体后凸成形；进行经皮椎体成形时应该配合应用抗骨质疏松药物，以减少椎体再骨折的发生。

Comclusion: transpetrous presigmoid retrolabrinth approach was rational approach for surgery on petroclivus and -4- CPA; it抯 important for accomplish the surgery to study and master the anatomy and variance of this approach; there was relative anatomical relationship among those structure on posterior of petrous bone; AAMP was the extracranial mark of inflexion of TS and SS; LAM and PSC were obvious bone marks for operation; we can confirm the abraded range of petrous bone lean upon LAM and/or GSS beside abrading step by step as literature, and it抯 unnecessary and unrational to emphasize to show PSC if the surgical space was enough; preceding sigmoid sinus and high jugular bulb often appeared at right and would bring disadvantage effect; interspace ,between CN V and CNVII or CNVII and CNJXI, were available to reach clivus and manage the mass on the range.

经SS前迷路后入路是处理岩斜坡区、桥小脑角区病变理想的手术入路；研究和熟悉手术入路中的解剖结构及部分变异对指导手术十分必要；岩骨内测面的骨性结构之间有着相对稳定的空间关系；顶乳缝前角是SS和TS转接处在颅外的标志；IAM和PSC等结构可以作为手术中的重要骨性标志；以PSC确定岩骨的磨除范围是较安全和可靠的，但亦可以结合影像检查，以内耳道和乙状窦前缘为基点判定切除范围，如果操作空间足够，过分强调磨出半规管是不适当的；右侧GSS的宽度和深度较对侧大，SS前置和颈静脉球高位较对侧多见，这些都对右侧入路有不利的影响，但仍可以进行手术操作；三叉神经和面神经间隙及面l 神经和舌咽神经间隙方便到达斜坡并处理病变。l

Histological examination demonstrated bone formed in accordance with intramembranous ossification in distraction zone and bony connection between the transport disc and mesial mandible on right side; On the left side, there was a big defect at the area of both distraction and defect zone because of dislocated bone transport disc, and no obvious new bone regeneration was found.

组织学检查：见9周后右侧牵张区形成新生骨质，符合膜内成骨，传送盘与近中牵张区形成骨性连接；左侧由于骨传松盘离开缺损区，牵张区与缺损区形成一较大的凹陷，未见明显新骨形成。

Pterion is superior to the zygomatic arch and is a H-sharped suture on the lateral aspect of the skull between: 1.frontal bone; 2.parietal bone; 3.temporal bone; 4.sphenoid.

Hamerus 桡神经紧贴沟中经过，此段骨折，易损伤桡神经。是重要的体表标志。Hip bone Iliac crest两侧髂嵴最高点的连线，平对第四腰椎脊突，临床上腰穿多用此法定位。此处用英文解释。

Some essential trace elements were reported to be involved in the normal bone metabolism. Nowadays rare earth elements are widely used in many fields and more and more rare earth elements enter the environment and food chains They are enriched in bone and difficult to be excreted. Because the similarity between rare earth ions (Ln3+) and Ca2+, they will intervene and regulate bone formation and remodeling.

骨骼的正常代谢涉及多种金属离子，随着稀土的应用，通过环境和经由食物链等渠道进入人体内的稀土量也有所增加，并且在骨组织中相对富集且难排出；由于稀土与钙离子的相似性，它们将干预和调控骨的形成与再造。

Some essential trace elements were reported to be involved in the normal bone metabolism. Nowadays rare earth elements are widely used in many fields and more and more rare earth elements enter the environment and food chains. They are enriched in bone and difficult to be excreted. Because the similarity between rare earth ions Ln(superscript 3+ and Ca(superscript 2+), they will intervene and regulate bone formation and remodeling.

骨骼的正常代谢涉及多种金属离子，随着稀土的应用，通过环境和经由食物链等渠道进入人体内的稀土量也有所增加，并且在骨组织中相对富集且难排出；由于稀土与钙离子的相似性，它们将干预和调控骨的形成与再造。

According to the results of this study, the ultimate strength of pin-bone interface increased as the moment arm decreased and torque increased. When the pin-bone angle approached 90°, the ultimate strength was the largest and as the angle decreased, the ultimate strength decreased. There was no significant difference between rigidity and torque, but rigidity decreased as the skull-bone angle decreased.

结果发现钉骨界面的极限强度在头圈距离颅骨的力臂短时较高，且随著所用扭力的增加而增加，当头钉与头骨表面的夹角成垂直时最强，随著夹角越趋锐角而渐减，钉骨界面的刚性与扭力并无明显关系但与夹角有关，夹角垂直时刚性最高，而后随著夹角渐趋锐角而递减。

RESULTS: Bone histological examination showed predominant hyperparathyroid bone disease in 6 patients, mixed uremic osteodystrophy in 3 patients, low-turnover osteomalacia in 1 patient, and adynamic bone disease in 4 patients.

结果： 骨组织学检查的诊断出 6个患者有严重的骨组织形态学疾病，3个患者的混合尿毒症的骨发育不良，1个患者的低转动骨软化，和 4个患者的无力骨疾病。

This research observed the effects of acupuncture and moxibustion on bone biodynamics and bone morphometry in order to clear out the prevention to bone fracture.

本课题通过动物实验，研究了针灸对大鼠OP模型骨生物力学性能和骨组织形态计量学指标的影响，以观察针灸对绝经后OP症致骨折的预防作用。

Bone ash is the most important raw material for bone china, and its quality is directly related to the performance of bone china.

骨灰是烧制骨质瓷的最重要的原料，提高骨灰的质量也是提高骨质瓷性能的关键。

Given the language of section 102(2), the Supreme Court's rejection of substantive review under NEPA seems unjustifiable in principle

按照第102条的规定，最高法院否决《国家环境政策法》所规定的实质性复审在原则上似乎是不正当的。

ObjectiveTo explore the effect of variable hip abduction orthosis on children spastic cerebral palsy.

目的探讨髋关节矫形器在儿童痉挛型脑性瘫痪康复中的作用。