Biomechanical effect of crestal bone osteoplasty before implant placement: a three-dimensional finite element analysis
Identifieur interne : 004A77 ( Main/Exploration ); précédent : 004A76; suivant : 004A78Biomechanical effect of crestal bone osteoplasty before implant placement: a three-dimensional finite element analysis
Auteurs : M. Hudieb [Japon] ; S. Kasugai [Japon]Source :
- International journal of oral and maxillofacial surgery [ 0901-5027 ] ; 2011.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Chirurgie.
English descriptors
- KwdEn :
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 (1.6 mm, thin group; 3.2 mm, thick group) were created. Gradual crestal bone osteoplasty with 0.5 mm 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.
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Hudieb</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University</s1><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Global Center of Excellence Program, International Research Center for Molecular Science in Tooth and Bone Diseases, Tokyo Medical and Dental University</s1><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Global Center of Excellence Program, International Research Center for Molecular Science in Tooth and Bone Diseases, Tokyo Medical and Dental University</wicri:noRegion></affiliation></author><author><name sortKey="Kasugai, S" sort="Kasugai, S" uniqKey="Kasugai S" first="S." last="Kasugai">S. Kasugai</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University</s1><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Global Center of Excellence Program, International Research Center for Molecular Science in Tooth and Bone Diseases, Tokyo Medical and Dental University</s1><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Global Center of Excellence Program, International Research Center for Molecular Science in Tooth and Bone Diseases, Tokyo Medical and Dental University</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">11-0135310</idno><date when="2011">2011</date><idno type="stanalyst">PASCAL 11-0135310 INIST</idno><idno type="RBID">Pascal:11-0135310</idno><idno type="wicri:Area/PascalFrancis/Corpus">000154</idno><idno type="wicri:Area/PascalFrancis/Curation">000546</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000150</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000150</idno><idno type="wicri:doubleKey">0901-5027:2011:Hudieb M:biomechanical:effect:of</idno><idno type="wicri:Area/Main/Merge">004B17</idno><idno type="wicri:Area/Main/Curation">004A77</idno><idno type="wicri:Area/Main/Exploration">004A77</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Biomechanical effect of crestal bone osteoplasty before implant placement: a three-dimensional finite element analysis</title><author><name sortKey="Hudieb, M" sort="Hudieb, M" uniqKey="Hudieb M" first="M." last="Hudieb">M. Hudieb</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University</s1><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Global Center of Excellence Program, International Research Center for Molecular Science in Tooth and Bone Diseases, Tokyo Medical and Dental University</s1><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Global Center of Excellence Program, International Research Center for Molecular Science in Tooth and Bone Diseases, Tokyo Medical and Dental University</wicri:noRegion></affiliation></author><author><name sortKey="Kasugai, S" sort="Kasugai, S" uniqKey="Kasugai S" first="S." last="Kasugai">S. Kasugai</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University</s1><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Global Center of Excellence Program, International Research Center for Molecular Science in Tooth and Bone Diseases, Tokyo Medical and Dental University</s1><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Global Center of Excellence Program, International Research Center for Molecular Science in Tooth and Bone Diseases, Tokyo Medical and Dental University</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">International journal of oral and maxillofacial surgery</title><title level="j" type="abbreviated">Int. j. oral maxillofac. surg.</title><idno type="ISSN">0901-5027</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">International journal of oral and maxillofacial surgery</title><title level="j" type="abbreviated">Int. j. oral maxillofac. surg.</title><idno type="ISSN">0901-5027</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biomechanics</term><term>Bone</term><term>Constraint</term><term>Dental implant</term><term>Dentistry</term><term>Finite element</term><term>Osteoplasty</term><term>Stomatology</term><term>Stress</term><term>Surgery</term><term>Treatment</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Chirurgie</term><term>Biomécanique</term><term>Os</term><term>Ostéoplastie</term><term>Elément fini</term><term>Stress</term><term>Contrainte</term><term>Stomatologie</term><term>Dentisterie</term><term>Traitement</term><term>Implant dentaire</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Chirurgie</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 (1.6 mm, thin group; 3.2 mm, thick group) were created. Gradual crestal bone osteoplasty with 0.5 mm 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></list><tree><country name="Japon"><noRegion><name sortKey="Hudieb, M" sort="Hudieb, M" uniqKey="Hudieb M" first="M." last="Hudieb">M. Hudieb</name></noRegion><name sortKey="Hudieb, M" sort="Hudieb, M" uniqKey="Hudieb M" first="M." last="Hudieb">M. Hudieb</name><name sortKey="Kasugai, S" sort="Kasugai, S" uniqKey="Kasugai S" first="S." last="Kasugai">S. Kasugai</name><name sortKey="Kasugai, S" sort="Kasugai, S" uniqKey="Kasugai S" first="S." last="Kasugai">S. Kasugai</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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