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   orthodontic 在 生物医学工程 分类中 的翻译结果: 查询用时:0.173秒
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生物医学工程
口腔科学
内分泌腺及全身性疾病
临床医学
医药卫生方针政策与法律法规研究
自动化技术
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orthodontic
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  “orthodontic”译为未确定词的双语例句
    Study on Intelligent Orthodontic Appliance
    智能口腔矫治器的研究开发
短句来源
    Effect of Coral Artificial Bone Composite of Human Recombinant Bone Morphogenetic Protein-2 and Coral Artificial Bone on Orthodontic Tooth Movement
    rhBMP-2/珊瑚人工骨复合物与珊瑚人工骨对牙齿移动的影响
短句来源
    Purpose This study was conducted to evaluate the effect of coralartificial bone composite of rhBMP-2 (rhBMP-2/CAB) and coralartificial bone(CAB) implanted in alveolar bone on orthodontic toothmovement.
    目的 探讨在矫治力作用下rhBMP-2/珊瑚人工骨复合物(复合骨)与珊瑚人工骨(珊瑚骨)植入牙槽骨后对牙齿移动的影响。
短句来源
    Three dimensional finite eleinent analysis of stress in-duced by orthodontic forces in the periodontal tissue.
    矫治力作用下牙周支持组织应力分布的三维有限元分析
短句来源
    With advantages of high precision, fast speed and excellent object, the new method can be of an important applied value in orthodontic clinic.
    该方法精度高、速度快、直观性好,具有很高的临床使用价值。
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  orthodontic
Second International Orthodontic Congress Savoy Hotel (Embankment Entrance), London, W.C.2.
      
The relationship between functional and orthodox orthodontic methods
      
Third International Orthodontic Congress London, 13.-18.
      
This article deals with the optimum timing of surgical and orthodontic treatment of malformations of the tongue as well as their consequences.
      
When making an orthodontic survey in Jordan, the author was impressed by the initiative shown by this small but progressive kingdom and describes how they succeeded in establishing an excellent headquarters building.
      
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AbstractThe purpose of this study was to inevstigate thestress induced in the periodontal tissue of the uppercentral incisor by application of orthodontic forces. Athree demensinonal finite element model consist oftooth, periodontal ligament (PDL) , cancellous andcompact bone was established and the following re-sults were obtained: (1) The highest stresses wereobserved on the root surface, the intermediate on thealveolar bone and the lowest in the PDL. (2) Stresscondition on the surface of root and alveloar...

AbstractThe purpose of this study was to inevstigate thestress induced in the periodontal tissue of the uppercentral incisor by application of orthodontic forces. Athree demensinonal finite element model consist oftooth, periodontal ligament (PDL) , cancellous andcompact bone was established and the following re-sults were obtained: (1) The highest stresses wereobserved on the root surface, the intermediate on thealveolar bone and the lowest in the PDL. (2) Stresscondition on the surface of root and alveloar bone isvery complex. The maximum, intermediate and mini-mum principle stresses on the same area are quite dif-ferent, but the three prinicipal stresses in the PDLaresimilar. (3) Regarding to tipping and torquemovement, the stress value varied largely from thecervix to the apex, and there is stress concentractionat the cervex and the apex. For bodily movementwhen MIF is 10. 30, the stress induced is homoge-neous and the difference of the stress values from thecervex to the apex is little, which seems to be morephysiological.

本研究以电子计算机技术建立了包括牙齿、牙周膜、硬骨板、松质骨和皮质骨的上颌中切牙三维有限元模型,分析了在正畸矫治力作用下牙根、齿槽骨表面和牙周膜的应力分布。结果表明:①牙根表面的应力值最大,齿槽骨表面次之,牙周膜最小。②牙根、齿槽骨表面的应力状态较复杂,三个主应力值相差很大,而牙周膜部位三个主应力的大小和分布较一致。③牙齿倾斜移动时,在牙颈部和根尖处出现应力集中,而整体移动时应力分布较均匀,似更符合生理要求。

The purpose of this study is to confirm the effect of Eriqeron Breviscvps(EB), a Chinese medicinal herb, to speed up orthodontic tooth movement by means of biomechanic analysis. Ten cases, who had labioversion malposition of upper canines and had their upper first premolars extracted, were selected in this study. The upper canines and first molars of all cases had been placed standard orthodontic appliances which could force the canines to move distally. The gauze connected with positive electrode...

The purpose of this study is to confirm the effect of Eriqeron Breviscvps(EB), a Chinese medicinal herb, to speed up orthodontic tooth movement by means of biomechanic analysis. Ten cases, who had labioversion malposition of upper canines and had their upper first premolars extracted, were selected in this study. The upper canines and first molars of all cases had been placed standard orthodontic appliances which could force the canines to move distally. The gauze connected with positive electrode were touched at gingival area of the canines with right side infiltrated with solution of, EB and left side with distilled water served as control. The ion-introduction was performed every other week with direct current of 0.2mA and testing over 20min every time.The results showed there were significant differences in biomechanics of canines movement between two sides, with average velocity, acceleration and periodontal resistance in right canines being 0.168(mm/day),3.42×10-3(mm/day2)and 82.60(g),and in control side being 0.099(mm/day),1.91×10-3(mm/day2)and 109.36(g).The study observed the mechanical characteristics of canines' movement which could quantitatively and scientifically prove that EB iontophoresis had a high ability to reconstruct periodontal tissues during the orthodontic tooth movement, which would lay the experimental foundation for applying EB into clinial practice.

本文从生物力学角度证实中药灯盏花离子导入对正畸牙移动速度的影响。选择上颌两侧尖牙唇向错位恒牙初期患儿10名,拔除上颌两侧第一双尖牙,在上颌两侧第一磨牙及尖牙上装置统一规格矫治器,两侧尖牙在拉簧作用下向远中移动。右侧上颌尖牙牙龈处放置正极接头,导入灯盏花离子;左侧尖牙导入蒸馏水作同源对照。离子导入电流为0.2mA,导入时间为20min,每两周导入一次,并记录尖牙移动距离及其所需时间。结果显示,实验侧尖牙移动速度为0.168mm/天,对照侧为0.099mm/天(p<0.01);实验侧尖牙移动加速度为3.42×10-3mm/天2,对照侧为1.91×10-3mm/天2(P<0.01);实验侧尖牙移动时所遇到的牙周阻力为82.60g,对照侧为109.36g(p<0.05)。本研究证实了中药灯盏花有利于牙周组织的改建,具有加速正畸牙移动的促进作用,为临床应用该药提供了实验依据。

Our study firstly demonstrated the changed distribution of BMP in periodontic tissues during orthodontic movement of maxillary first molars in rats. BMP was stained with immunohistochemical staining technique (ABC method). Using monoclonal antibody to BMP, we found that the staining density in periodontal tissues varied according to different parts and treatment measures. BMP is mostly located in the periodontium, especially near the alveolar bone or cementum, that is always associated with bone remodeling...

Our study firstly demonstrated the changed distribution of BMP in periodontic tissues during orthodontic movement of maxillary first molars in rats. BMP was stained with immunohistochemical staining technique (ABC method). Using monoclonal antibody to BMP, we found that the staining density in periodontal tissues varied according to different parts and treatment measures. BMP is mostly located in the periodontium, especially near the alveolar bone or cementum, that is always associated with bone remodeling activity. The distribution of BMP was changed during orthodontic tooth movement. The tension zone was intensly stained, while the pressure zone was poorly stained. The newly formed cementum and alveolar bone was moderatly stained. The result indicated that periodontic ligament cells have the property of osteoblast-likecells and osteogenic activity under the condition of orthodontic tooth movement and as a promoting factor of bone remodel activity. BMP take an important role in orthodontic tooth movement.

本研究首次应用抗牛骨形成蛋白单克隆抗体(bBMP-McAb)免疫组织化学染色法,观察加力后的大鼠上第一磨牙牙周组织中BMP的分布,并与正常不加力组相比较。结果显示:BMP在正常牙周组织中主要分布于牙周韧带中,尤其是牙槽骨和牙骨质表面,并与不同部位的骨改建活动相一致;正时加力后,张力区成骨活跃,BMP染色较深(强阳性),压力区染色为阴性,只有活跃的破骨细胞染色较深;已接近成熟的新生牙槽骨及牙骨质则染色较弱。结果表明;BMP可以作为骨改建活动的标志之一,在正畸骨改建中起着十分重要的作用。

 
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