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suture distraction
相关语句
  骨缝牵张
     Conclusion:BMP and TGF-β may play important roles in the process of bone formation and remodeling during suture distraction osteogenesis.
     结论牵张成骨技术可以顺利扩张处于生长期动物的颅骨缝,BMP和TGF-β可能在颅骨缝牵张成骨过程中扮演重要调控角色。
短句来源
     Suture distraction osteogenesis is defined as when the stress is applied to sutures, new bone is produced at the edges of the bone fronts.
     骨缝牵张成骨(suture distraction osteogenesis)是通过机械张应力扩张骨缝组织,以增加颅颌面骨的容积和体积,达到治疗某些颅颌面骨发育过小畸形目的。
短句来源
     The maximum transcription of Cbfa1 was about 2.58 fold of that of Ets1. Conclusion: Ets1and Cbfa1 may play different roles in regulating bone matrix protein expressions in osteoblast-like cells during suture distraction and their function is time-dependent.
     结论:Ets1和Cbfa1在骨缝牵张中对成骨细胞合成分泌骨基质蛋白可能起着不同的调节作用,而它们的功能具有时序性。
短句来源
     Objective: Effects of a single period of mechanical strain on gene expression patterns of two osteogenic transcription factors, Ets1 and Cbfa1, in rat calvarial sutural osteoblast-like cells were studied in this study to elucidate the molecular mechanism of suture distraction.
     目的:探讨大鼠颅骨缝成骨细胞在张应力作用下Ets1和Cbfa1基因表达的变化,以揭示骨缝牵张成骨的分子机制。
短句来源
     Effects of Mesenchymal Stem Cells Transplantation on Cranial Suture Distraction Osteogenesis in Growing Goats
     骨髓间充质干细胞移植对山羊颅骨骨缝牵张成骨的影响
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  “suture distraction”译为未确定词的双语例句
     3 animals were killed respectively at 0,2,4 and 8 weeks after completion of suture distraction.
     在牵张结束后第 0 ,2 ,4和 8周分别处死 3只动物 ,取骨缝标本进行X线检查和组织学观察。
短句来源
     Clinical study of suture distraction osteogenesis for the repair of cleft palate
     缝牵引成骨术修复腭裂临床研究
短句来源
     4 weeks after suture distraction, signs of intramembranous ossification were found in the edge areas of the distracted suture, and the positive staining of BMP and TGF-β was still noted in the osteoblasts around the newly formed bone trabeculae.
     第4周,受力骨缝边缘以膜内成骨方式进行改建,BMP和TGF-β阳性染色主要位于新生骨小梁四周的成骨细胞中。
短句来源
     0 and 2 weeks after application of suture distraction, the collagen fiber bundles were strengthened and aligned in the direction of the distraction. Strong expression of BMP and TGF-β were detected in the fibroblast-like cells and the active osteoblasts.
     牵张结束后0与2周,扩大骨缝中可见胶原纤维沿牵张力方向有序排列,骨缝边缘出现大量成纤维细胞和成骨细胞,BMP和TGF-β在这些增殖活跃的细胞中呈高水平表达。
短句来源
     Objective To try to find out the effects of Erigeron Breviscapine (EB) in suture distraction osteogenesis by observing tile expression of TGF and BMP in the maxillary suture of rabbits.
     目的通过兔上颌缝牵张成骨动物实验模型,观察TGFβ和BMP在前颌缝中的表达,探讨灯盏花对上颌骨改建的作用与机理。
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  相似匹配句对
     The changes of cranial suture induced by the distraction forces in growing goats
     生长期山羊颅骨缝受牵张力作用后超微结构与免疫组化观察
短句来源
     and intradermal suture.
     皮内缝合.
短句来源
     Clinical study of suture distraction osteogenesis for the repair of cleft palate
     缝牵引成骨术修复腭裂临床研究
短句来源
     Suture the skin in “Z”;
     “Z”形缝合创面皮肤 ;
短句来源
     Distraction Osteogenesis of Jaws
     颌骨牵引成骨技术
短句来源
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Objective The purpose of the study was to evaluate the long term effect and its influence on facial growth of suture distraction osteogenesis for closure of cleft palate. Method 14 Beagle dogs were used in the study. Six of them were in the experimental group, eight served as the control. Direct measurements were taken on dry skulls of the dogs and the data were analysed statistically. Results The results showed that bony healing at the midline between the two horizontal portions of the palatine...

Objective The purpose of the study was to evaluate the long term effect and its influence on facial growth of suture distraction osteogenesis for closure of cleft palate. Method 14 Beagle dogs were used in the study. Six of them were in the experimental group, eight served as the control. Direct measurements were taken on dry skulls of the dogs and the data were analysed statistically. Results The results showed that bony healing at the midline between the two horizontal portions of the palatine bones appeared in all the experimental dogs. There were no significant differences in the variables of facial length and height between the two groups. But the facial width and the distance between the two vertical portions of the palatine bones were significantly less in the experimental dogs than the control. Conclusions It is suggested that bony repair of the cleft could be accomplished permanently with the technique of sutural distraction. this technique had no influence on facial length and height growth, but could led to underdevelopment of the width of the face and the respiratory tract of the palatal portion.

目的 了解腭骨外侧缝牵张的长期效果和对颌面发育的影响。 方法 采用头颅测量方法对经过腭骨外侧缝牵张的 6只和正常对照 8只 Beagle犬进行了观察和分析。 结果 所有实验组犬两侧腭骨水平板均在中线形成骨性愈合。两组动物面长度和高度变量无明显差异 ,实验组面宽度 ,腭骨水平板宽度和垂直板间距均小于对照组 ,差异具有显著性意义。 结论 采用腭骨外侧缝牵张成骨的方法 ,能够使缺裂的腭骨板形成永久而完善的骨性修复 ;对面长度和高度发育无明显影响 ,但可导致面宽度和腭骨段呼吸道宽度发育不足

Objective To explore a new technique for repair of alveolar cleft by sutural distraction osteogenesis. Methods Nine 8-weeks mongrel dogs were used in this study,three being in the control group,six in the experimental group.Alveolar cleft model was created surgically in all animals. Two weeks later,a U-shaped distractor made of Ni-Ti memory alloy wire was insterted into the premaxilla to distract the mid-premaxillary suture.When the premaxilla of the cleft side approached the ipsilateral maxilla,periosteoplasty...

Objective To explore a new technique for repair of alveolar cleft by sutural distraction osteogenesis. Methods Nine 8-weeks mongrel dogs were used in this study,three being in the control group,six in the experimental group.Alveolar cleft model was created surgically in all animals. Two weeks later,a U-shaped distractor made of Ni-Ti memory alloy wire was insterted into the premaxilla to distract the mid-premaxillary suture.When the premaxilla of the cleft side approached the ipsilateral maxilla,periosteoplasty of the alveolar cleft was performed.The distractor was removed at two weeks after periosteoplasty.The results were evaluated clinically,radiographically,morphologically and histologically. Results The cleft model in dogs was stable and similar to the human alveolar cleft. In experimental dogs,the premaxilla was moved gradually toward the maxilla so that the cleft was closed. The distracted mid-premaxillary suture showed a gradually widened traingle,with its tip being posterior.The density of the distracted traingle suture was increased gradually.Bony repair was achieved completely at the cleft three months post-periosteoplasy.The morphology of the mid-premaxillary suture was restored. Conclusion The alveolar cleft could be repaired by the technique of mid-premaxilla suture distraction.

目的 探索用缝牵张成骨技术以组织再生的原理修复牙槽裂。方法 采用犬牙槽裂模型 ,牙槽裂形成术后 2周 ,于前颌中缝处安置缝牵张器 ,外张力 2 0 0g。牵张 2~ 3周 ,裂隙侧的前颌骨向侧方移动贴紧远中裂缘 ,用局部黏骨膜瓣修复牙槽裂隙。保持 2周后去除缝牵张器。临床观察、连续X线、头颅干骨和组织学检查评价治疗结果。结果 所有对照动物形成规则的牙槽裂 ,无自发骨性愈合。前颌中缝牵张后 ,裂隙侧前颌缓慢向裂侧上颌靠拢 ,2~ 3周与远中裂缘密切贴合。X线片示前颌中缝呈现由窄渐宽的三角形 ,三角形的尖端指向后方 ,三角区域的骨密度逐渐增加。骨膜成形术后 3个月 ,原牙槽嵴缺损处骨质连续性完全恢复 ,且牙槽骨段在三维方向上均与对侧相同。前颌中缝恢复正常直线形态。结论 该牙槽裂模型稳定性和重复性好 ;前颌中缝牵张诱导缝区新骨形成 ,一侧前颌向裂隙移位和局部骨膜成形可达到完善的牙槽裂修复。

Objective:To observe the response and changes of cranial suture to mechanical strain in growing goats. Methods: 12 growing goats were used in this study. A custom-made distractor was used for distraction of the coronal suture at a rate of 0.4 mm/day for 8 days. 3 animals were killed respectively at 0,2,4 and 8 weeks after completion of suture distraction. X- Ray examination was taken and the distracted suture samples were processed for histological analysis. Results: The coronal sutures of...

Objective:To observe the response and changes of cranial suture to mechanical strain in growing goats. Methods: 12 growing goats were used in this study. A custom-made distractor was used for distraction of the coronal suture at a rate of 0.4 mm/day for 8 days. 3 animals were killed respectively at 0,2,4 and 8 weeks after completion of suture distraction. X- Ray examination was taken and the distracted suture samples were processed for histological analysis. Results: The coronal sutures of all goats were separated successfully. Signs of intramembranous bone formation and remodeling were found in the distracted suture,and the sutural structure almost returned to its normal state at 8 weeks after the end of distraction. Conclusions: Mechanical strain resulted from distractor can induce the adaptive remodeling in the cranial suture of growing goats.

目的 :研究处于生长发育期山羊颅骨冠状缝受张应力作用后的变化规律 ,探讨牙面矫形治疗的生物学原理。方法 :选用处于生长期山羊 12只 ,在颅骨冠状缝两侧安放自行研制的牵张器以每天 0 .4mm的速率进行骨缝牵张 ,连续加力 8d后停止。在牵张结束后第 0 ,2 ,4和 8周分别处死 3只动物 ,取骨缝标本进行X线检查和组织学观察。另选 2只同龄山羊作为正常对照。结果 :所有实验动物的冠状缝均被成功分离。在实验早期 (0 ,2周 ) ,扩大骨缝中可见大量胶原纤维沿牵张力方向有序排列 ,骨缝边缘有大量的成骨细胞并出现幼稚骨小梁。在实验后期(4 ,8周 ) ,牵张骨缝新生骨组织改建活跃 ,骨缝组织结构最终基本恢复到正常状态。结论 :骨缝组织受牵张力作用后将发生活跃的膜内成骨反应 ,主要集中于骨缝边缘 ,扩大的骨缝可以通过适应性改建恢复其正常结构

 
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