Bone’s responses to different designs of implant-supported fixed partial dentures

© 2014, Springer-Verlag Berlin Heidelberg. This paper explores the biomechanics and associated bone remodeling responses of two different abutment configurations, namely implant–implant-supported versus tooth–implant-supported fixed partial dentures. Two 3D finite element analysis models are created...

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Main Authors: Rungsiyakull,C., Chen,J., Rungsiyakull,P., Li,W., Swain,M.V., Li,Q.
格式: Article
出版: Springer Verlag 2015
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http://cmuir.cmu.ac.th/handle/6653943832/39111
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機構: Chiang Mai University
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總結:© 2014, Springer-Verlag Berlin Heidelberg. This paper explores the biomechanics and associated bone remodeling responses of two different abutment configurations, namely implant–implant-supported versus tooth–implant-supported fixed partial dentures. Two 3D finite element analysis models are created based upon computerized tomography data. The strain energy density induced by occlusal loading is used as a mechanical stimulus for driving the bone remodeling. To measure osseointegration and stability during healing, a resonance frequency analysis is conducted. At the second premolar peri-implant region, overloading resorption around the neck of implant is identified in both the models over the first 12 months. Stress-shielding around the edentulous region is also observed in both the models with a greater resorption rate found in the implant–implant case. The remodeling and resonance frequency analyses reveal that the tooth–implant scheme offers a higher degree of osseointegration. The remodeling procedure is expected to provide prosthodontists with a modeling tool to assess possible long-term clinical outcomes.