Materials properties and biomechanics of stemmed implant devices

骨组织与生物医学植入设备(如牙科植入物)的集成是一个复杂的过程 取决于植入物的材料和机械性能的现象。作为制造业 植入设备的成本直接转化为患者的高成本，新技术，如添加剂 制造业或为加拿大企业提供降低植入物生产成本的途径 设备。3D打印等快速成型技术正迅速成为一种可行的添加剂制造工艺 能够在不浪费原材料的情况下生产复杂的形状。在这个项目中，一种新型的3D打印钛 由该公司生产的名为Sit的牙科种植设备将是 调查过了。生产设备所使用的材料和颗粒大小的选择对 该装置的机械性能以及对骨与其内部材料结合方式的最终影响 最终用途。该公司在选择合适的材料并评估其影响方面面临挑战 关于即将投产的设备的设计。该项目旨在确定材料的影响 选择，如原料化学和颗粒大小，对整个机械力的分布 植入系统，为最合适的原材料和最终产品几何形状提供建议。作为一种材料 牙科和骨科植入材料领域的专家，在我的指导下，这项研究将评估 材料选择对最终产品性能的影响，并对设计和改进提出建议 生产过程，以生产在植入物方案中适当分配载荷的最终产品，以及 了解材料如何影响生物兼容性。高分辨率成像技术包括 透射电子显微镜(TEM)和定制的X射线微型计算机断层扫描(Micro-CT) 将使用现场加载系统对设备进行调查。带来了这些新的植入物几何形状，产生了 以低成本通过添加剂制造，更快地推向市场代表着医疗行业独特的经济机遇 对SIT等加拿大公司的设备行业，并将转化为对加拿大人的直接健康益处。

The integration of bone tissue with biomedical implant devices, such as dental implants, is a complex phenomenon that is dependent on the materials and mechanical properties of the implant. As manufacturing costs of implant devices translate directly to high costs for patients, new technologies such as additive manufacturing may provide an avenue for Canadian companies to decrease the production cost of implant devices. Rapid prototyping, such as 3D printing, is quickly becoming a viable additive manufacturing process capable of producing complex shapes without wasting raw materials. In this project, a new 3D printed titanium dental implant device produced by the company Stemmed Implant Technologies, Inc. (SIT) will be investigated. The choice of material and particulate size used to produce the devices has a huge effect on the mechanical properties of the device and an ultimate effect on how bone will integrate with the material in its end use. The company is faced with a challenge in selecting appropriate materials, and evaluating their impact on the design of the device going to production. This project aims to identify the influence of materials selection, such as feedstock chemistry and particle size, on the distribution of mechanical forces throughout the implant system to advise on the most appropriate raw material and final product geometry. As a materials expert in the field of dental and orthopaedic implant materials, under my guidance this study will assess the influence of materials selection on the final product properties, and suggest improvements to the design and production process to produce a final product that distributes loads appropriately in an implant scenario, and understand how the material influences biocompatibility. High resolution imaging techniques including transmission electron microscopy (TEM) and a customized X-ray micro-computed tomography (micro-CT) in-situ loading system will be used to investigate the devices. Bringing these new implant geometries, produced at low cost via additive manufacturing, to market faster represent a unique economic opportunity in the medical device industry for Canadian companies such as SIT, and will translate to direct health benefits to Canadians.