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

Identifieur interne : 000825 ( PubMed/Corpus ); précédent : 000824; suivant : 000826

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

Auteurs : Chaiy Rungsiyakull ; Junning Chen ; Pimduen Rungsiyakull ; Wei Li ; Michael Swain ; Qing Li

Source :

RBID : pubmed:25209424

English descriptors

Abstract

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.

DOI: 10.1007/s10237-014-0612-6
PubMed: 25209424

Links to Exploration step

pubmed:25209424

Le document en format XML

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<name sortKey="Chen, Junning" sort="Chen, Junning" uniqKey="Chen J" first="Junning" last="Chen">Junning Chen</name>
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<name sortKey="Rungsiyakull, Pimduen" sort="Rungsiyakull, Pimduen" uniqKey="Rungsiyakull P" first="Pimduen" last="Rungsiyakull">Pimduen Rungsiyakull</name>
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<name sortKey="Li, Wei" sort="Li, Wei" uniqKey="Li W" first="Wei" last="Li">Wei Li</name>
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<name sortKey="Swain, Michael" sort="Swain, Michael" uniqKey="Swain M" first="Michael" last="Swain">Michael Swain</name>
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<name sortKey="Li, Qing" sort="Li, Qing" uniqKey="Li Q" first="Qing" last="Li">Qing Li</name>
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<div type="abstract" xml:lang="en">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.</div>
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