Biomechanical effect of crestal bone osteoplasty before implant placement: a three-dimensional finite element analysis.
Identifieur interne : 004286 ( Main/Exploration ); précédent : 004285; suivant : 004287Biomechanical effect of crestal bone osteoplasty before implant placement: a three-dimensional finite element analysis.
Auteurs : M. Hudieb [Japon] ; S. KasugaiSource :
- International journal of oral and maxillofacial surgery [ 1399-0020 ] ; 2011.
Descripteurs français
- KwdFr :
- Alvéoloplastie, Analyse des éléments finis, Analyse du stress dentaire (), Contrainte mécanique, Humains, Implants dentaires, Mandibule (), Module d'élasticité, Modèles biologiques, Modèles dentaires, Mâchoire édentée (), Mâchoire édentée (physiopathologie), Phénomènes biomécaniques, Pose d'implant dentaire endo-osseux, Reconstruction de crête alvéolaire (), Résistance à la compression.
- MESH :
- physiopathologie : Mâchoire édentée.
- Alvéoloplastie, Analyse des éléments finis, Analyse du stress dentaire, Contrainte mécanique, Humains, Implants dentaires, Mandibule, Module d'élasticité, Modèles biologiques, Modèles dentaires, Mâchoire édentée, Phénomènes biomécaniques, Pose d'implant dentaire endo-osseux, Reconstruction de crête alvéolaire, Résistance à la compression.
English descriptors
- KwdEn :
- Alveolar Ridge Augmentation (methods), Alveoloplasty, Biomechanical Phenomena, Compressive Strength, Dental Implantation, Endosseous, Dental Implants, Dental Models, Dental Stress Analysis (methods), Elastic Modulus, Finite Element Analysis, Humans, Jaw, Edentulous (physiopathology), Jaw, Edentulous (surgery), Mandible (surgery), Models, Biological, Stress, Mechanical.
- MESH :
- chemical : Dental Implants.
- methods : Alveolar Ridge Augmentation, Dental Stress Analysis.
- physiopathology : Jaw, Edentulous.
- surgery : Jaw, Edentulous, Mandible.
- Alveoloplasty, Biomechanical Phenomena, Compressive Strength, Dental Implantation, Endosseous, Dental Models, Elastic Modulus, Finite Element Analysis, Humans, Models, Biological, Stress, Mechanical.
Abstract
This study investigated the biomechanical effects of crestal bone osteoplasty and flattening procedures carried out in edentulous knife-edge ridges to restore bone width before implant placement on the virtually placed implants using finite element methods. Three-dimensional models representing a knife-edged alveolar bone with two different crestal cortical bone thicknesses (1.6mm, thin group; 3.2mm, thick group) were created. Gradual crestal bone osteoplasty with 0.5mm height intervals was simulated. Cylindrical implants with abutments and crowns were constructed and subjected to oblique loads. Maximum stress was observed at the cervical region around the implant neck. Different osteoplasty levels showed different stress values and distributions. Highest compressive stress was observed in the flat models (60.8 MPa and 98.3 MPa in thick and thin groups, respectively), lowest values were observed when osteoplasty was limited to the sharp edge (36.8 MPa and 38.9 MPa in thick and thin groups, respectively). The results suggested that eliminating the sharp configuration in knife-edge ridges improved stress and strain outcomes, but flattening the alveolar crest and/or uncovering the cancellous bone resulted in a marked increase in compressive stress and strain values in the peri-implant bone that may influence the longevity of implants placed in these ridges.
DOI: 10.1016/j.ijom.2010.10.002
PubMed: 21131179
Affiliations:
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Hudieb</name><affiliation wicri:level="3"><nlm:affiliation>Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan. mhudeab@gmail.com</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University, Tokyo</wicri:regionArea><placeName><settlement type="city">Tokyo</settlement><region type="région">Région de Kantō</region></placeName></affiliation></author><author><name sortKey="Kasugai, S" sort="Kasugai, S" uniqKey="Kasugai S" first="S" last="Kasugai">S. 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Hudieb</name><affiliation wicri:level="3"><nlm:affiliation>Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan. mhudeab@gmail.com</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University, Tokyo</wicri:regionArea><placeName><settlement type="city">Tokyo</settlement><region type="région">Région de Kantō</region></placeName></affiliation></author><author><name sortKey="Kasugai, S" sort="Kasugai, S" uniqKey="Kasugai S" first="S" last="Kasugai">S. Kasugai</name></author></analytic><series><title level="j">International journal of oral and maxillofacial surgery</title><idno type="eISSN">1399-0020</idno><imprint><date when="2011" type="published">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Alveolar Ridge Augmentation (methods)</term><term>Alveoloplasty</term><term>Biomechanical Phenomena</term><term>Compressive Strength</term><term>Dental Implantation, Endosseous</term><term>Dental Implants</term><term>Dental Models</term><term>Dental Stress Analysis (methods)</term><term>Elastic Modulus</term><term>Finite Element Analysis</term><term>Humans</term><term>Jaw, Edentulous (physiopathology)</term><term>Jaw, Edentulous (surgery)</term><term>Mandible (surgery)</term><term>Models, Biological</term><term>Stress, Mechanical</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Alvéoloplastie</term><term>Analyse des éléments finis</term><term>Analyse du stress dentaire ()</term><term>Contrainte mécanique</term><term>Humains</term><term>Implants dentaires</term><term>Mandibule ()</term><term>Module d'élasticité</term><term>Modèles biologiques</term><term>Modèles dentaires</term><term>Mâchoire édentée ()</term><term>Mâchoire édentée (physiopathologie)</term><term>Phénomènes biomécaniques</term><term>Pose d'implant dentaire endo-osseux</term><term>Reconstruction de crête alvéolaire ()</term><term>Résistance à la compression</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Dental Implants</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Alveolar Ridge Augmentation</term><term>Dental Stress Analysis</term></keywords><keywords scheme="MESH" qualifier="physiopathologie" xml:lang="fr"><term>Mâchoire édentée</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Jaw, Edentulous</term></keywords><keywords scheme="MESH" qualifier="surgery" xml:lang="en"><term>Jaw, Edentulous</term><term>Mandible</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Alveoloplasty</term><term>Biomechanical Phenomena</term><term>Compressive Strength</term><term>Dental Implantation, Endosseous</term><term>Dental Models</term><term>Elastic Modulus</term><term>Finite Element Analysis</term><term>Humans</term><term>Models, Biological</term><term>Stress, Mechanical</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Alvéoloplastie</term><term>Analyse des éléments finis</term><term>Analyse du stress dentaire</term><term>Contrainte mécanique</term><term>Humains</term><term>Implants dentaires</term><term>Mandibule</term><term>Module d'élasticité</term><term>Modèles biologiques</term><term>Modèles dentaires</term><term>Mâchoire édentée</term><term>Phénomènes biomécaniques</term><term>Pose d'implant dentaire endo-osseux</term><term>Reconstruction de crête alvéolaire</term><term>Résistance à la compression</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study investigated the biomechanical effects of crestal bone osteoplasty and flattening procedures carried out in edentulous knife-edge ridges to restore bone width before implant placement on the virtually placed implants using finite element methods. Three-dimensional models representing a knife-edged alveolar bone with two different crestal cortical bone thicknesses (1.6mm, thin group; 3.2mm, thick group) were created. Gradual crestal bone osteoplasty with 0.5mm height intervals was simulated. Cylindrical implants with abutments and crowns were constructed and subjected to oblique loads. Maximum stress was observed at the cervical region around the implant neck. Different osteoplasty levels showed different stress values and distributions. Highest compressive stress was observed in the flat models (60.8 MPa and 98.3 MPa in thick and thin groups, respectively), lowest values were observed when osteoplasty was limited to the sharp edge (36.8 MPa and 38.9 MPa in thick and thin groups, respectively). The results suggested that eliminating the sharp configuration in knife-edge ridges improved stress and strain outcomes, but flattening the alveolar crest and/or uncovering the cancellous bone resulted in a marked increase in compressive stress and strain values in the peri-implant bone that may influence the longevity of implants placed in these ridges.</div></front></TEI><affiliations><list><country><li>Japon</li></country><region><li>Région de Kantō</li></region><settlement><li>Tokyo</li></settlement></list><tree><noCountry><name sortKey="Kasugai, S" sort="Kasugai, S" uniqKey="Kasugai S" first="S" last="Kasugai">S. Kasugai</name></noCountry><country name="Japon"><region name="Région de Kantō"><name sortKey="Hudieb, M" sort="Hudieb, M" uniqKey="Hudieb M" first="M" last="Hudieb">M. Hudieb</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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