In-Silico Modelling and 3D-printing of Dental Implants with Photo-active and Infection-Resistant Coatings (PERIo-Dent-ItiS)

具有光活性和抗感染涂层的牙种植体的计算机建模和 3D 打印 (PERIo-Dent-ItiS)

基本信息

  • 批准号:
    MR/W004062/1
  • 负责人:
  • 金额:
    $ 25.98万
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Research Grant
  • 财政年份:
    2021
  • 资助国家:
    英国
  • 起止时间:
    2021 至 无数据
  • 项目状态:
    未结题

项目摘要

Peri-implantitis is an infection-related condition around the implant, which occurs because of inflammation arising from the acidic interstitial fluid, produced by the presence of bacteria in the biofilm. The biofilms form on the peripheral surface of implants. The acid slowly resorbs the healthy bones, enervates soft-tissue anchorage, loosens the implant, and causes pain. Loss of mechanical support also aggravates the pain and, therefore, compromises the chewing and mastication which are essential for the easier digestion of food. Although, the success rate of implants is 85-90%, however, 10-15% implants fail during lifetime because of the lack of early diagnosis. The diagnosis of failed implants is poor and only when the pain is felt, the patients are prescribed pain killers, monitored before the surgical intervention removes the implant. Innovative Vision: With increasing 50+-years age group needing more implants, there is an urgent need for improving the implants for better osseointegration for preventing mechanical failure. Our goal is to provide infection resistance against bacteria and to design means for ascertaining early signs of biofilm formation. During secondment at Attenborough Dental (AD) in Nottingham, the secondee will use the 3D-printing and Additive Manufacturing facility for fabricating implants for promoting the formation of a strong hard-soft tissue anchorage, and vascularization which will intrinsically prevent the risk of infection from bacteria. The materials patented (PCT/GB2015/052557) at the University of Leeds will form the basis for developing new generations of infection-resistant and photo-responsive implants for the early signs of detection of infection. Objectives: The four objectives are: O.1) to demonstrate in silico and biomechanical modelling approach for the fabrication of standard implants with infection-resistance and photo-responsive coatings, designed from calcium phosphate with CeSr-oxide (CeSrOx)/chitosan as the antibacterial and Europium-Samarium oxide (EuSMOx) as photo-responsive coating, respectively. O.2) We will adopt the steps in O.1 and demonstrate the fabrication of porous Ti-implants for improved micro-fluidics and osseointegration with infection resistance and photo-responsive features for non-invasive diagnostics. The porosity control for microfluidic properties is essential for infection control, improved vascularization, and strong tissue anchorage.O.3) The UoL-AD team will review in silico and biocompatible modelling for design and fabrication of route analogues using 3D-AM with the porous Ti-alloy structure. Such a new design offers one-step surgery for improved osseointegration, infection resistance (CeSrOx), and methods for monitoring healing by interrogating the photo-active EuSmOx layer. O.4) We will focus on microstructural and physical characterizations, stress analysis, bio-compatibility (toxicity, attachment, proliferation), osteogenesis and angiogenesis, and photo-active response in cellular and simulated oral fluid condition of implant materials which will be essential for future animal studies.Secondee: A full-time secondment will fulfil the goals of each objective. The secondment will develop the digital imaging approach for controlling the porosity and bio-mechanical stress using 3D-printing and additive manufacturing facility at AD. The manufacturing of implants with the standard Ti-alloy powder, CeSrOx and EuSmOx mixed with calcium phosphate will be demonstrated, and the properties of implants will be characterized using the state-of-the-art analytical and modelling facilities at AD and UoL. The results of fabrication and characterization will be used for ascertaining the longevity of implants in the oral environment under acidic condition. The training will also aim towards developing business-relevant skills. Important non-confidential results will be published in the peer-reviewed journal, after securing the patent position.
种植体周围炎是种植体周围的一种与感染相关的情况,发生这种情况的原因是生物膜中细菌的存在导致了酸性间质液体的炎症。生物膜形成于种植体的外围表面。酸会慢慢吸收健康的骨骼,削弱软组织支抗,松动植入物,导致疼痛。失去机械支持也会加重疼痛,因此影响咀嚼和咀嚼,而咀嚼和咀嚼是更容易消化食物所必需的。虽然种植体的成功率为85%-90%,但由于缺乏早期诊断,有10%-15%的种植体在生命周期内失败。失败的植入物的诊断很差,只有当感觉到疼痛时,才会给患者开止痛药,并在手术干预移除植入物之前进行监测。创新视野:随着50岁以上年龄组对种植体需求的增加,迫切需要改进种植体,以更好地进行骨整合,防止机械故障。我们的目标是提供对细菌的感染抵抗力,并设计确定生物膜形成的早期迹象的方法。在诺丁汉艾登堡牙科(AD)的借调期间,借调人员将使用3D打印和添加剂制造设施来制造植入物,以促进形成强大的硬-软组织支抗,并使血管形成,从而内在地防止细菌感染的风险。利兹大学获得专利的材料(PCT/GB2015/052557)将成为开发新一代抗感染和光响应植入物的基础,用于检测感染的早期迹象。目的:1)用硅学和生物力学模拟的方法,以磷酸钙为材料,CESR-氧化物(CeSrOx)/壳聚糖为抗菌材料,EuSMOx为光敏涂层,制备具有抗感染和光响应性涂层的标准种植体。O.2)我们将采用o.1中的步骤,并演示用于改进微流体的多孔钛植入物的制造,以及用于非侵入性诊断的具有抗感染和光响应功能的骨整合。微流体特性的孔隙率控制对于感染控制、改善血管形成和强大的组织锚定至关重要。3)UOL-AD团队将在硅胶和生物兼容建模方面进行审查,以设计和制造使用3D-AM的具有多孔钛合金结构的路线类似物。这种新的设计提供了一步手术来改善骨整合、抗感染(CeSrOx),以及通过询问光活性EuSmOx层来监测愈合的方法。O.4)我们将专注于植入材料的微观结构和物理特征、应力分析、生物相容性(毒性、附着、增殖)、成骨和血管生成,以及在细胞和模拟口腔液体条件下的光活性反应,这将是未来动物研究的关键。第二:全职借调将实现每个目标的目标。借调人员将开发数字成像方法,使用3D打印和AD的附加制造设施来控制孔隙度和生物机械应力。将演示如何使用标准钛合金粉末CeSrOx和EuSmOx与磷酸钙混合制造植入物,并将使用AD和UOL最先进的分析和建模设施来表征植入物的特性。制造和表征的结果将用于确定种植体在酸性条件下在口腔环境中的寿命。培训还将旨在培养与业务相关的技能。在获得专利地位后,重要的非机密结果将发表在同行评议期刊上。

项目成果

期刊论文数量(3)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Physiologically Engineered Bone: Quantifying the Mechanical Properties and Investigating Cellular Response of Novel Porous Composite Scaffolds
生理工程骨:量化新型多孔复合支架的机械性能并研究细胞反应
  • DOI:
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Abdulaziz D.
  • 通讯作者:
    Abdulaziz D.
Fabrication and Characterisation of Synthetic Double Layered Bone Scaffold
合成双层骨支架的制备和表征
  • DOI:
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Yildizbakan L.
  • 通讯作者:
    Yildizbakan L.
TMS 2022 151st Annual Meeting & Exhibition Supplemental Proceedings
TMS 2022 第 151 届年会
  • DOI:
    10.1007/978-3-030-92381-5_73
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Yildizbakan L
  • 通讯作者:
    Yildizbakan L
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Animesh Jha其他文献

Effect of Pb-ions on the kinetics of devitrification and viscosities of AlF<sub>3</sub>-based glasses for waveguide fabrication
  • DOI:
    10.1016/j.jnoncrysol.2006.10.058
  • 发表时间:
    2007-05-15
  • 期刊:
  • 影响因子:
  • 作者:
    Ahmad Mazuki;Animesh Jha
  • 通讯作者:
    Animesh Jha
Femtosecond laser micromachining of tellurite thin film waveguides We.A6.1 (Glasses I),
亚碲酸盐薄膜波导的飞秒激光微加工We.A6.1(眼镜I),
  • DOI:
  • 发表时间:
    2011
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Animesh Jha
  • 通讯作者:
    Animesh Jha
Preliminary findings of confocal laser endomicroscopy and Raman spectroscopy in human breast tissue characterisation
  • DOI:
    10.1016/j.ejso.2022.03.144
  • 发表时间:
    2022-05-01
  • 期刊:
  • 影响因子:
  • 作者:
    Ahmed Ezzat;Khushi Vyas;Manish Chauhan;Martin Asenov;Anna Silvanto;Animesh Jha;Subramanian Ramamoorthy;Alexander Thompson;Daniel Richard Leff
  • 通讯作者:
    Daniel Richard Leff
[Reproducibility Report] Path Planning using Neural A* Search
[再现性报告] 使用神经 A* 搜索进行路径规划
  • DOI:
    10.48550/arxiv.2208.04153
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Shreyaa Bhatt;Aayush Jain;Parv Maheshwari;Animesh Jha;Debashish Chakravarty
  • 通讯作者:
    Debashish Chakravarty
Reproducibility Report: Contrastive Learning of Socially-aware Motion Representations
再现性报告:社交意识运动表征的对比学习
  • DOI:
    10.5281/zenodo.6574697
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Roop Sen;Sidharth Sinha;Parv Maheshwari;Animesh Jha;Debashish Chakravarty
  • 通讯作者:
    Debashish Chakravarty

Animesh Jha的其他文献

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{{ truncateString('Animesh Jha', 18)}}的其他基金

Phosphate Bio-mineral-Ultrafast Laser interaction - a pathway for future hard tissue re-engineering (Novel Tool for Surgical technologies) - LUMIN
磷酸盐生物矿物-超快激光相互作用 - 未来硬组织再造的途径(外科技术的新工具) - LUMIN
  • 批准号:
    EP/K020234/1
  • 财政年份:
    2013
  • 资助金额:
    $ 25.98万
  • 项目类别:
    Research Grant
European Society Glass'2006 Conference in Sept'06 SUNDERLAND (UK)
欧洲玻璃学会 2006 年 9 月会议 桑德兰(英国)
  • 批准号:
    EP/D078490/1
  • 财政年份:
    2006
  • 资助金额:
    $ 25.98万
  • 项目类别:
    Research Grant
Nano- and Micro-scale Integration of Glass-on-Semiconductor for Photonic Components Engineering
用于光子元件工程的半导体玻璃的纳米和微米级集成
  • 批准号:
    EP/D048672/1
  • 财政年份:
    2006
  • 资助金额:
    $ 25.98万
  • 项目类别:
    Research Grant

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