Journals on Biomedical Engineering - BJSTR Journal

Abstract

Micro Powder #Injection Molding (μPIM) has being the elected process for large series production of near net shape metal/ceramic parts with complex geometries and high series. The present study demonstrates the feasibility of Yttrium-Stabilized Zirconia dental implants and abutments production by μPIM giving rise to cheap devices. Coatings of #nanocrystalline Zr_xO_y contributes to an asset due the improvement of #osseointegration. Nowadays the teeth loss is increasingly a reality which can affect people either physical and psychologically. A high number of patients have one or more missing tooth and it is estimated that one in four Americans over the age of 74 have lost all their natural teeth. Many options exist to replace missing teeth, but dental implants have become one of the most functional #biomaterials to replace one (or more) missing tooth over the last decades. The most used materials in dental implants are titanium and its alloys (historically) and #zirconia (more recently) [1], because of their excellent #biocompatibility with the hard tissues. Ceramic implants, partially stabilized zirconia implants, are gradually becoming an excellent option for implantologists arousing the interest of the biggest dental implant companies worldwide, due to factors such as biocompatibility [2], non-release of metal ions (contrary to titanium implants).

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Powder Injection Molding - An Excellent Micromanufacturing Process to Produce Low-Cost Zirconia Dental Implants and Abutments by Lourenço SH in BJSTR

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