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bone implant     
相关语句
  骨移植
     The paper is to find a new kind of bone substitute-acellular bone extracellular matrix(ABECM) available for bone implant and find the best methods of preparation of acellular bovince cancellous bone.
     为寻找适合骨移植的骨组织替代物-脱细胞骨细胞外基质(Acellular bone extracellular matrix,ABECM)制备最佳方法。
短句来源
     The Expression and Cellular Localization of Interleukin-8 mRNA and Protein in the Area of Xenogeneic Bone Implant
     异种骨移植局部白细胞介素-8基因及蛋白表达与细胞定位
短句来源
     A composite of PDLLA/HA (20wt%) is a new valuable bone implant material.
     PDLLA/HA( 2 0wt % )复合材料是一种有临床应用前景的骨移植材料。
短句来源
     Conclusion\ Many different kinds of cells express TNF α mRNA in the area of xenogenic bone implant. The expression of TNF α mRNA could be downregulated by TGF β in the region of xenogeneic bone implantation.
     结论 在异种骨移植局部多种细胞表达TNF αmRNA ,TGF β在异种骨移植局部可下调TNF αmRNA的表达水平。
短句来源
     Objective\ To study the regulation of transforming growth factor beta (TGF β) on the expression of tumor necrosis factor alpha (TNF α) mRNA in the area of xenogeneic bone implant.
     目的 研究 β 转化生长因子 (TGF β)在异种骨移植局部对肿瘤坏死因子 (TNF) αmR NA表达的调节作用。
短句来源
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  骨种植
     Considering functional design of bone implant material, we prepare PPy/PLA electro-active composite by chemical oxidation.
     基于骨种植材料功能化设计的考虑,我们利用化学氧化法制备聚吡咯/聚乳酸(PPy/PLA)电活性复合物。
短句来源
     We expect implant material that is provided with biocompatibility, mechanical stability and electro-bioactive, as well as respond outer microelectric circumstance stimulation , enhance chemical banding of implant-bone interface and improve success ratio of bone implant technique.
     试图在兼顾种植材料表面的生物相容性、力学稳定性和电活性导电稳定性原则的同时,响应外界微电环境刺激,增进种植体骨界面的化学结合,提高骨种植技术的成功率。
短句来源
     Objective:To study effects of hydroxyapatite ceramic (HAC) and autogenous bone implant therapy on the compound pocket and bone loss of adult periodontal disease.
     目的:研究羟基磷灰石加自体骨种植术治疗成人牙周炎骨缺损的效果。
短句来源
     Treatment of Adult Periodontal Disease with Alveolar Bone Loss with HAC-autogenous Bone Implant Therapy
     羟基磷灰石加自体骨种植术治疗成人牙周炎骨缺损
短句来源
     Conclusion:The HAC-autogenous alveolar bone implant therapy has a good and long-termed effect on the alveolar bone loss of adult periodontal disease.
     结论:羟基磷灰石加自体骨种植术对于治疗成人牙周炎骨缺损有较好的长期临床效果。
短句来源
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  骨缺损
     Treatment of Adult Periodontal Disease with Alveolar Bone Loss with HAC-autogenous Bone Implant Therapy
     羟基磷灰石加自体骨种植术治疗成人牙周炎骨缺损
短句来源
     Objective:To study effects of hydroxyapatite ceramic (HAC) and autogenous bone implant therapy on the compound pocket and bone loss of adult periodontal disease.
     目的:研究羟基磷灰石加自体骨种植术治疗成人牙周炎骨缺损的效果。
短句来源
     Conclusion:The HAC-autogenous alveolar bone implant therapy has a good and long-termed effect on the alveolar bone loss of adult periodontal disease.
     结论:羟基磷灰石加自体骨种植术对于治疗成人牙周炎骨缺损有较好的长期临床效果。
短句来源
     Methods Buffalo horn cores as bone implant were treated with 30% H2O2 and 0.6 mol/L HC1 to prepare antigen-extracted and/or decalcified buffalo horn core. Two groups of Japanese white rabbits were implanted with antigen-extracted decalcified or antigen-extracted buffalo horn core respectively.
     方法 以日本大耳白兔为动物模型,分别植入经30%H2O2、0.6mol/L HCl脱抗原脱钙,30%H2O2脱抗原不脱钙2种温和方法处理的水牛角胎至兔左侧肢骨缺损处。
短句来源
  骨修复
     (2)A composite of rhBMP 2 and PLA was a new valuble bone implant material.
     (2)rhBMP-2/PLA是一种新的有价值的骨修复材料
短句来源
     Surgical Reduction and Bone Implant Repair of the Posttraumatic Orbitozygomatic Deformities.
     外伤后颧眶畸形的手术复位及植骨修复
短句来源
     The research progress of composite biomaterials,especially those organic/inorganic composites used as bone implant materials is mainly reviewed in this article.
     综述了复合生物材料 ,特别是用于骨修复的各类有机 /无机复合材料近年来的研究进展状况。
短句来源
     It is suggested that incorporation of hydroxyapatite nanocrystals into biodegradable polyester matrix may produce new\|type bone implant material which possesses excellent osteoconductivity and desirable biodegradability.
     提出将与人骨中磷灰石微晶类似的羟基磷灰石纳米粒子与可降解聚酯材料进行复合 ,能够得到具有优越骨诱导性能并且能够降解的新型骨修复材料。
短句来源
     Meanwhile, Chinese relevant articles published between January 2000 and January 2005 were retrieved in Wanfang database, the keywords were "bioglass, osteoblast, bone implant, bone restore".
     同时计算机检索万方数据库2000-01/2005-01期间的相关文章,检索词为“生物活性玻璃,成骨细胞,骨移植,骨修复”,并限定文章语言种类为中文。
短句来源

 

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      bone implant
    Nonlinear interface elements are currently used to represent nonbonded interfaces such as bone/implant and turbine blade/disk interfaces in finite-element analyses.
          
    The corrosion behaviour of Mg-Mn and Mg-Mn-Zn magnesium alloy in a phosphate buffered simulated body fluid (SBF) has been investigated by electrochemical testing and weight loss experiment for bone implant application.
          
    In vitro corrosion behaviour of Mg alloys in a phosphate buffered solution for bone implant application
          
    Formation of highly adherent nano-porous alumina on Ti-based substrates: a novel bone implant coating
          
    The response to implantation of novel apatite glass-ceramics was evaluated using a weight bearing in vivo bone implant model.
          
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    Bone morphogenetic protein(BMP)was extracted from bovine bones.BMP/HA com-posite was prepared by combining BMP with porous HA cylinders with diameter of 4mmand length of 12~15mm.The BMP/HA composite contains 5mg bBMP,with a porous sizeof HA cylinder ranging from 100μm to 300μm.The BMP/HA composite and HA alone(experimental control)were implanted intothe bone defects of femur in 16 dogs.Comparative study was performed by using histolog- ical methods,scanning electron microscopy(SEM)and...

    Bone morphogenetic protein(BMP)was extracted from bovine bones.BMP/HA com-posite was prepared by combining BMP with porous HA cylinders with diameter of 4mmand length of 12~15mm.The BMP/HA composite contains 5mg bBMP,with a porous sizeof HA cylinder ranging from 100μm to 300μm.The BMP/HA composite and HA alone(experimental control)were implanted intothe bone defects of femur in 16 dogs.Comparative study was performed by using histolog- ical methods,scanning electron microscopy(SEM)and scintigraphy as ~(45)Ca-labelled tra-cer.Observation at 2,4,8,16,24 weeks postoperatively showed that not only werethe speed and time of new bone ingrowing into the BMP/HA composite much quickerand earlier than that of implants of HA alone(experimental control gruop),but also thequantity of new bone ingrowin into the BMP/HA composite was much higher than thatof HA alone implants.It is clear that the BMP/HA composite presented a very activeability of osteoinduction,and repaired the bone defect in a relatively short time,while theimplant of HA alone only plays a growth-guiding properties(osteoconduction)causing newbone to grow into the bonedefects in a relatively long time.SEM showed that there was aintimate bone-implant contact in all implants.The results of quantitive analysis of incor-poration of ~(45)Ca into new bone indicated the bone ingrowth of BMP/HA composite at high-er rate within 3 weeks.The results of this study suggested that BMP/HA composite poss-ess a superior ability of osteogenesis.

    将牛骨形成蛋白(bBMP)与多孔羟基磷灰石(HA)结合制成 bBMP-HA 复合人工骨,植入狗股骨缺损区,植入后2,4,8,16,24周,采用组织学、扫描电子显微镜及~(43) Ca 同位素示踪综合考查其骨修复过程,并以单纯 HA 作为对照。结果发现,各实验程期 bBMP-HA 材料内新骨形成量均明显多于单纯 HA 对照组,bBMP-HA 植入后早期诱导骨形成较活跃,实验证明 bBMP-HA 复合人工骨具有良好的诱导成骨能力,并能促进骨缺损的修复。

    The BMP bioceramic porous titanium implants were placed in the mandibles of 15 adult dogs for 2 ~ 16 weeks. The bone-implant interface was observed and the content of new bone apposition was measured using SEM (Hitachi S-520). The results Showed that the amount of new bone formation in experimental group was 1~2.5 times more than that in control group after 2 ~4 weeks of implantation.

    作者用日立S—520扫描电镜,对微孔钛种植体生物陶瓷烧结涂层复合骨形成蛋白移植于15只成年狗颌骨内2~16周标本进行骨界面观察和成骨量测定.就种植材料,种植体表面形态、结构,种植体与骨组织间隙大小,骨形成蛋白等及成骨时间和量作了分析.实验组2~4周成骨量是对照组的1~2.5倍,成骨时间早,量大,成熟快,骨性结合好.

    Biomechanical parameters,( Em, σu, εu)of AAA (Antig enextracted Auto digested Allograft) bone implant in sheep humerus were studied 3,6,9 and 12 months postoperatively by axial tension test and compared with normal control cortical bone. 3 months after AAA bone implant, there was significant decrease in biomechanicai parameters of bone implant. The Yong's moduli (Em) and utimate strength (σu) were only 10.2% and 3.5% of use of normal control cortical bone. The biomechanical parameters(Em,σu,εu)of...

    Biomechanical parameters,( Em, σu, εu)of AAA (Antig enextracted Auto digested Allograft) bone implant in sheep humerus were studied 3,6,9 and 12 months postoperatively by axial tension test and compared with normal control cortical bone. 3 months after AAA bone implant, there was significant decrease in biomechanicai parameters of bone implant. The Yong's moduli (Em) and utimate strength (σu) were only 10.2% and 3.5% of use of normal control cortical bone. The biomechanical parameters(Em,σu,εu)of bone implant increased with the prolongation of post implantation days. By the end of 12 months, the values of Em, σu and ultimate strain εu of the implant reached 60, 50 and 63.8% of those of normal contol bone respectively. According to the increasing rate of biomechanical parameters of bone implant during the first 12 month, it was estimated that the time needed for the complete recovery of biomechanical parameters (Em, σu,εu )of the implant was 30, 20 and 15 months respectively.

    本文在同种异体辐照灭菌AAA骨片植入羊肱骨的实验基础上,应用单轴拉伸试验,测试分析了不同周期(植入时间为3,6,9,12个月)植骨和正常对照侧骨的生物力学参数(弹性模量Em、极限强度σu、极限应变εu等)。结果表明,AAA骨植入的最初三个月,植骨的力学参数(Em、σu、εu等)有较大幅度的下降,其弹性模量Em仅达到正常骨的10.2%,极限强度σu达到正常骨的3.5%。随着植入时间的增长,Em、σu、εu逐渐增加,并向正常值靠拢。AAA骨植入12个月后,植骨弹性模量Em达到正常骨的60%,极限强度σu达到正常骨的50%,极限应变εu达到正常骨的63.8%。根据前四个周期(移植12个月)植骨力学参数的增长幅度,预计植骨力学参数恢复到正常水平的移植周期:弹性模量Em约30个月、极限强度σu约22个月、极限应变εu约15个月左右。

     
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