The role of superstructure material on the stress distribution in mandibular full-arch implant-supported fixed dentures. A CT-based 3D-FEA.
Identifieur interne : 000303 ( Main/Exploration ); précédent : 000302; suivant : 000304The role of superstructure material on the stress distribution in mandibular full-arch implant-supported fixed dentures. A CT-based 3D-FEA.
Auteurs : Mayara Barbosa Ferreira [Brésil] ; Valentim Adelino Barão [Brésil] ; Leonardo Perez Faverani [Brésil] ; Ana Carolina Hip Lito [Brésil] ; Wirley Gonçalves Assunção [Brésil]Source :
- Materials science & engineering. C, Materials for biological applications [ 1873-0191 ] ; 2014.
Descripteurs français
- KwdFr :
- Adulte d'âge moyen, Analyse de panne d'appareillage, Analyse des éléments finis, Analyse du stress dentaire (), Contrainte mécanique, Humains, Imagerie tridimensionnelle (), Mandibule (), Mandibule (imagerie diagnostique), Mandibule (physiologie), Matériaux dentaires (), Module d'élasticité (physiologie), Modèles biologiques, Mâle, Prothèse dentaire implanto-portée, Résistance à la compression (physiologie), Résistance à la traction (physiologie), Simulation numérique, Tomodensitométrie ().
- MESH :
- imagerie diagnostique : Mandibule.
- physiologie : Mandibule, Module d'élasticité, Résistance à la compression, Résistance à la traction.
- Adulte d'âge moyen, Analyse de panne d'appareillage, Analyse des éléments finis, Analyse du stress dentaire, Contrainte mécanique, Humains, Imagerie tridimensionnelle, Mandibule, Matériaux dentaires, Modèles biologiques, Mâle, Prothèse dentaire implanto-portée, Simulation numérique, Tomodensitométrie.
English descriptors
- KwdEn :
- Compressive Strength (physiology), Computer Simulation, Dental Materials (chemistry), Dental Prosthesis, Implant-Supported, Dental Stress Analysis (methods), Elastic Modulus (physiology), Equipment Failure Analysis, Finite Element Analysis, Humans, Imaging, Three-Dimensional (methods), Male, Mandible (diagnostic imaging), Mandible (physiology), Mandible (surgery), Middle Aged, Models, Biological, Stress, Mechanical, Tensile Strength (physiology), Tomography, X-Ray Computed (methods).
- MESH :
- chemical , chemistry : Dental Materials.
- diagnostic imaging : Mandible.
- methods : Dental Stress Analysis, Imaging, Three-Dimensional, Tomography, X-Ray Computed.
- physiology : Compressive Strength, Elastic Modulus, Mandible, Tensile Strength.
- surgery : Mandible.
- Computer Simulation, Dental Prosthesis, Implant-Supported, Equipment Failure Analysis, Finite Element Analysis, Humans, Male, Middle Aged, Models, Biological, Stress, Mechanical.
Abstract
This study evaluated the stress distribution in mandibular full-arch implant-supported fixed dentures with different veneering and metallic infrastructure materials, using three-dimensional finite element analysis. Ten models were obtained from an edentulous human mandible with a complete denture fixed by four implants. Acrylic resin (RES) and porcelain (POR) teeth were associated with infrastructures of titanium (Ti), gold (Au), silver-palladium (AgPd), chrome-cobalt (CoCr) and nickel-chrome (NiCr). A 100-N oblique was applied. The von Mises (σvM) and maximum (σmax) and minimum (σmin) principal stresses were obtained. The RES-AgPd group showed the lowest σvM values, while the RES-Ni-Cr group showed the highest. In the bone tissue, the RES-Au group was the only one that showed different σmax values with a 12% increase in comparison to the other groups which had similar stress values. In the implants, the groups with Ti, Au and AgPd infrastructures, either with porcelain or resin teeth, showed σvM values similar and lower in comparison to the groups with CoCr and NiCr infrastructures. The tooth veneering material influenced the stress values in metallic infrastructures, in which the acrylic resin had the highest values. The veneering and infrastructure materials have influence on stress values of implant-supported dentures, except for the peri-implant bone tissue.
DOI: 10.1016/j.msec.2013.10.022
PubMed: 24411356
Affiliations:
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A CT-based 3D-FEA.</title><author><name sortKey="Ferreira, Mayara Barbosa" sort="Ferreira, Mayara Barbosa" uniqKey="Ferreira M" first="Mayara Barbosa" last="Ferreira">Mayara Barbosa Ferreira</name><affiliation wicri:level="1"><nlm:affiliation>Department of Dental Materials and Prosthodontics, Aracatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050, Brazil.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of Dental Materials and Prosthodontics, Aracatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050</wicri:regionArea><placeName><settlement type="city">São Paulo</settlement><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Barao, Valentim Adelino" sort="Barao, Valentim Adelino" uniqKey="Barao V" first="Valentim Adelino" last="Barão">Valentim Adelino Barão</name><affiliation wicri:level="3"><nlm:affiliation>Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas (UNICAMP), Av Limeira 901, Piracicaba, São Paulo, Brazil. Electronic address: barao@fop.unicamp.br.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas (UNICAMP), Av Limeira 901, Piracicaba, São Paulo</wicri:regionArea><placeName><settlement type="city">São Paulo</settlement><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Faverani, Leonardo Perez" sort="Faverani, Leonardo Perez" uniqKey="Faverani L" first="Leonardo Perez" last="Faverani">Leonardo Perez Faverani</name><affiliation wicri:level="1"><nlm:affiliation>Department of Dental Materials and Prosthodontics, Aracatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050, Brazil.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of Dental Materials and Prosthodontics, Aracatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050</wicri:regionArea><placeName><settlement type="city">São Paulo</settlement><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Hip Lito, Ana Carolina" sort="Hip Lito, Ana Carolina" uniqKey="Hip Lito A" first="Ana Carolina" last="Hip Lito">Ana Carolina Hip Lito</name><affiliation wicri:level="1"><nlm:affiliation>Department of Dental Materials and Prosthodontics, Aracatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050, Brazil.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of Dental Materials and Prosthodontics, Aracatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050</wicri:regionArea><placeName><settlement type="city">São Paulo</settlement><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Assuncao, Wirley Goncalves" sort="Assuncao, Wirley Goncalves" uniqKey="Assuncao W" first="Wirley Gonçalves" last="Assunção">Wirley Gonçalves Assunção</name><affiliation wicri:level="1"><nlm:affiliation>Department of Dental Materials and Prosthodontics, Aracatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050, Brazil. Electronic address: wirley@foa.unesp.br.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of Dental Materials and Prosthodontics, Aracatuba Dental School, Univ Estadual Paulista (UNESP), José Bonifácio 1193, Araçatuba, São Paulo 16015-050</wicri:regionArea><placeName><settlement type="city">São Paulo</settlement><region type="state">État de São Paulo</region></placeName></affiliation></author></analytic><series><title level="j">Materials science & engineering. C, Materials for biological applications</title><idno type="eISSN">1873-0191</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Compressive Strength (physiology)</term><term>Computer Simulation</term><term>Dental Materials (chemistry)</term><term>Dental Prosthesis, Implant-Supported</term><term>Dental Stress Analysis (methods)</term><term>Elastic Modulus (physiology)</term><term>Equipment Failure Analysis</term><term>Finite Element Analysis</term><term>Humans</term><term>Imaging, Three-Dimensional (methods)</term><term>Male</term><term>Mandible (diagnostic imaging)</term><term>Mandible (physiology)</term><term>Mandible (surgery)</term><term>Middle Aged</term><term>Models, Biological</term><term>Stress, Mechanical</term><term>Tensile Strength (physiology)</term><term>Tomography, X-Ray Computed (methods)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adulte d'âge moyen</term><term>Analyse de panne d'appareillage</term><term>Analyse des éléments finis</term><term>Analyse du stress dentaire ()</term><term>Contrainte mécanique</term><term>Humains</term><term>Imagerie tridimensionnelle ()</term><term>Mandibule ()</term><term>Mandibule (imagerie diagnostique)</term><term>Mandibule (physiologie)</term><term>Matériaux dentaires ()</term><term>Module d'élasticité (physiologie)</term><term>Modèles biologiques</term><term>Mâle</term><term>Prothèse dentaire implanto-portée</term><term>Résistance à la compression (physiologie)</term><term>Résistance à la traction (physiologie)</term><term>Simulation numérique</term><term>Tomodensitométrie ()</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Dental Materials</term></keywords><keywords scheme="MESH" qualifier="diagnostic imaging" xml:lang="en"><term>Mandible</term></keywords><keywords scheme="MESH" qualifier="imagerie diagnostique" xml:lang="fr"><term>Mandibule</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Dental Stress Analysis</term><term>Imaging, Three-Dimensional</term><term>Tomography, X-Ray Computed</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Mandibule</term><term>Module d'élasticité</term><term>Résistance à la compression</term><term>Résistance à la traction</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Compressive Strength</term><term>Elastic Modulus</term><term>Mandible</term><term>Tensile Strength</term></keywords><keywords scheme="MESH" qualifier="surgery" xml:lang="en"><term>Mandible</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Computer Simulation</term><term>Dental Prosthesis, Implant-Supported</term><term>Equipment Failure Analysis</term><term>Finite Element Analysis</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Models, Biological</term><term>Stress, Mechanical</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adulte d'âge moyen</term><term>Analyse de panne d'appareillage</term><term>Analyse des éléments finis</term><term>Analyse du stress dentaire</term><term>Contrainte mécanique</term><term>Humains</term><term>Imagerie tridimensionnelle</term><term>Mandibule</term><term>Matériaux dentaires</term><term>Modèles biologiques</term><term>Mâle</term><term>Prothèse dentaire implanto-portée</term><term>Simulation numérique</term><term>Tomodensitométrie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study evaluated the stress distribution in mandibular full-arch implant-supported fixed dentures with different veneering and metallic infrastructure materials, using three-dimensional finite element analysis. Ten models were obtained from an edentulous human mandible with a complete denture fixed by four implants. Acrylic resin (RES) and porcelain (POR) teeth were associated with infrastructures of titanium (Ti), gold (Au), silver-palladium (AgPd), chrome-cobalt (CoCr) and nickel-chrome (NiCr). A 100-N oblique was applied. The von Mises (σvM) and maximum (σmax) and minimum (σmin) principal stresses were obtained. The RES-AgPd group showed the lowest σvM values, while the RES-Ni-Cr group showed the highest. In the bone tissue, the RES-Au group was the only one that showed different σmax values with a 12% increase in comparison to the other groups which had similar stress values. In the implants, the groups with Ti, Au and AgPd infrastructures, either with porcelain or resin teeth, showed σvM values similar and lower in comparison to the groups with CoCr and NiCr infrastructures. The tooth veneering material influenced the stress values in metallic infrastructures, in which the acrylic resin had the highest values. The veneering and infrastructure materials have influence on stress values of implant-supported dentures, except for the peri-implant bone tissue.</div></front></TEI><affiliations><list><country><li>Brésil</li></country><region><li>État de São Paulo</li></region><settlement><li>São Paulo</li></settlement></list><tree><country name="Brésil"><region name="État de São Paulo"><name sortKey="Ferreira, Mayara Barbosa" sort="Ferreira, Mayara Barbosa" uniqKey="Ferreira M" first="Mayara Barbosa" last="Ferreira">Mayara Barbosa Ferreira</name></region><name sortKey="Assuncao, Wirley Goncalves" sort="Assuncao, Wirley Goncalves" uniqKey="Assuncao W" first="Wirley Gonçalves" last="Assunção">Wirley Gonçalves Assunção</name><name sortKey="Barao, Valentim Adelino" sort="Barao, Valentim Adelino" uniqKey="Barao V" first="Valentim Adelino" last="Barão">Valentim Adelino Barão</name><name sortKey="Faverani, Leonardo Perez" sort="Faverani, Leonardo Perez" uniqKey="Faverani L" first="Leonardo Perez" last="Faverani">Leonardo Perez Faverani</name><name sortKey="Hip Lito, Ana Carolina" sort="Hip Lito, Ana Carolina" uniqKey="Hip Lito A" first="Ana Carolina" last="Hip Lito">Ana Carolina Hip Lito</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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