Bone's responses to different designs of implant-supported fixed partial dentures.
Identifieur interne : 001188 ( Ncbi/Curation ); précédent : 001187; suivant : 001189Bone's responses to different designs of implant-supported fixed partial dentures.
Auteurs : Chaiy Rungsiyakull [Thaïlande] ; Junning Chen ; Pimduen Rungsiyakull ; Wei Li ; Michael Swain ; Qing LiSource :
- Biomechanics and modeling in mechanobiology [ 1617-7940 ] ; 2015.
Descripteurs français
- KwdFr :
- Algorithmes, Analyse des éléments finis, Conception de prothèse, Contrainte mécanique, Densité osseuse, Humains, Implants dentaires, Mandibule (anatomie et histologie), Mandibule (physiologie), Modèles biologiques, Os et tissu osseux (anatomie et histologie), Os et tissu osseux (physiologie), Phénomènes biomécaniques, Prothèse partielle fixe.
- MESH :
- anatomie et histologie : Mandibule, Os et tissu osseux.
- physiologie : Mandibule, Os et tissu osseux.
- Algorithmes, Analyse des éléments finis, Conception de prothèse, Contrainte mécanique, Densité osseuse, Humains, Implants dentaires, Modèles biologiques, Phénomènes biomécaniques, Prothèse partielle fixe.
English descriptors
- KwdEn :
- Algorithms, Biomechanical Phenomena, Bone Density, Bone and Bones (anatomy & histology), Bone and Bones (physiology), Dental Implants, Denture, Partial, Fixed, Finite Element Analysis, Humans, Mandible (anatomy & histology), Mandible (physiology), Models, Biological, Prosthesis Design, Stress, Mechanical.
- MESH :
- chemical : Dental Implants.
- anatomy & histology : Bone and Bones, Mandible.
- physiology : Bone and Bones, Mandible.
- Algorithms, Biomechanical Phenomena, Bone Density, Denture, Partial, Fixed, Finite Element Analysis, Humans, Models, Biological, Prosthesis Design, Stress, Mechanical.
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
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pubmed:25209424Le document en format XML
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<term>Densité osseuse</term>
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<front><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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