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Validation of an artificial tooth-periodontal ligament-bone complex for in-vitro orthodontic research.

机译:用于体外正畸研究的人造牙-牙周膜韧带-骨复合物的验证。

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摘要

Orthodontics research investigates the methods in which tooth displacement may be directed in the tooth-periodontal ligament-bone-complex. In the biological environment, the periodontal ligament is the soft tissue responsible for the absorption of forces on teeth and has a direct connection to tooth mobility. Current research is limited in that it must be conducted in an in-vivo capacity. A major advancement in orthodontics research would be a testing method that allows for the development and analysis of orthodontic devices without a patient present.;This study outlines the development and testing methods for the validation of an artificial periodontal ligament to be used in conjunction with an artificial-tooth-periodontal ligament-bone-complex. The study focused on finding the criteria in which consistent results were produced, the mixture that best simulated the human periodontal ligament's mechanical behavior, and the robustness of the artificial-periodontal ligament-bone-complex.;This study utilized a geometrically accurate denture mold filled with varying compositions of an artificial periodontal ligament for testing. Experiments focused on findings of viscoelasticity, curing times, and instantaneous responses of the teeth under direct orthodontic loading, as well as the changes in response from different teeth within the denture mold. Tests confirmed that a mixture composed of 50% Gasket Sealant No. 2 and 50% RTV 587 Silicone produced a substance that could adequately serve as an artificial periodontal ligament.
机译:牙齿正畸学研究了在牙齿-牙周膜韧带-骨复合物中引导牙齿移位的方法。在生物环境中,牙周膜是负责吸收牙齿上的力的软组织,并与牙齿的活动性直接相关。当前的研究是局限性的,因为它必须以体内能力进行。正畸研究的主要进展是一种可以在没有患者在场的情况下进行正畸器械开发和分析的测试方法。本研究概述了与牙周膜结合使用以验证人造牙周膜的开发和测试方法。人工牙周膜韧带骨复合物。该研究的重点是寻找产生一致结果的标准,最能模拟人牙周韧带机械行为的混合物以及人工牙周膜韧带骨复合物的坚固性。具有不同成分的人工牙周膜进行测试。实验的重点是在直接正畸负荷下牙齿的粘弹性,固化时间和瞬时响应,以及义齿模具中不同牙齿的响应变化。测试证实,由50%的2号垫片密封剂和50%的RTV 587有机硅组成的混合物产生的物质可以充分用作人造牙周膜。

著录项

  • 作者

    Favor, Trevor E.;

  • 作者单位

    Purdue University.;

  • 授予单位 Purdue University.;
  • 学科 Biomechanics.;Dentistry.
  • 学位 M.S.M.E.
  • 年度 2015
  • 页码 70 p.
  • 总页数 70
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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