MicroCT-based evaluation of the trabecular bone quality of different implant anchorage sites for masticatory rehabilitation of the maxilla.
Identifieur interne : 000F50 ( Main/Exploration ); précédent : 000F49; suivant : 000F51MicroCT-based evaluation of the trabecular bone quality of different implant anchorage sites for masticatory rehabilitation of the maxilla.
Auteurs : Kristina Bertl [Suède] ; Patrick Heimel [Autriche] ; Michaela Rökl-Riegler [Autriche] ; Lena Hirtler [Autriche] ; Christian Ulm [Autriche] ; Werner Zechner [Autriche]Source :
- Journal of cranio-maxillo-facial surgery : official publication of the European Association for Cranio-Maxillo-Facial Surgery [ 1878-4119 ] ; 2015.
Descripteurs français
- KwdFr :
- Atrophie, Cadavre, Densité osseuse (physiologie), Facteurs sexuels, Femelle, Humains, Implants dentaires, Maxillaire (imagerie diagnostique), Microtomographie aux rayons X (), Mâchoire édentée (), Mâchoire édentée (imagerie diagnostique), Mâle, Os spongieux (imagerie diagnostique), Os zygomatique (), Os zygomatique (imagerie diagnostique), Taille d'organe.
- MESH :
- imagerie diagnostique : Maxillaire, Mâchoire édentée, Os spongieux, Os zygomatique.
- physiologie : Densité osseuse.
- Atrophie, Cadavre, Facteurs sexuels, Femelle, Humains, Implants dentaires, Microtomographie aux rayons X, Mâchoire édentée, Mâle, Os zygomatique, Taille d'organe.
English descriptors
- KwdEn :
- Atrophy, Bone Density (physiology), Cadaver, Cancellous Bone (diagnostic imaging), Dental Implants, Female, Humans, Jaw, Edentulous (diagnostic imaging), Jaw, Edentulous (surgery), Male, Maxilla (diagnostic imaging), Organ Size, Sex Factors, X-Ray Microtomography (methods), Zygoma (diagnostic imaging), Zygoma (surgery).
- MESH :
- chemical : Dental Implants.
- diagnostic imaging : Cancellous Bone, Jaw, Edentulous, Maxilla, Zygoma.
- methods : X-Ray Microtomography.
- physiology : Bone Density.
- surgery : Jaw, Edentulous, Zygoma.
- Atrophy, Cadaver, Female, Humans, Male, Organ Size, Sex Factors.
Abstract
In the severely atrophied maxilla, implant anchorage in the zygomatic bone is considered a viable alternative to conventional dental implants with preceding bone augmentation procedures. The present microCT-based study compared the trabecular bone quality of the maxilla and zygomatic bone. MicroCT scanning was conducted in 12 halves of cadaver heads (5 male, 7 female) with edentulous, atrophied maxillae. Relevant trabecular bone quality parameters were determined in the anterior and posterior maxilla and in the zygomatic bone and compared by region and sex. Any difference in mean values between the anterior maxilla and the zygomatic bone was insignificant. Comparison of both with the posterior maxilla presented significantly higher values for bone volume fraction, surface density, and trabecular thickness and number, and significantly lower values for specific bone surface, structure model index, and trabecular separation. A significant sex-specific difference was not detected. The present microCT-based analysis is, to the best of our knowledge, the first intra-individual comparison of different implant anchorage sites for masticatory rehabilitation of the maxilla. The trabecular compartment of the zygomatic bone offered bone quality and, thus, an implant bed comparable with those of the anterior maxilla, and both were superior to the posterior maxilla.
DOI: 10.1016/j.jcms.2015.04.008
PubMed: 26027862
Affiliations:
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Vienna</wicri:noRegion></affiliation></author></analytic><series><title level="j">Journal of cranio-maxillo-facial surgery : official publication of the European Association for Cranio-Maxillo-Facial Surgery</title><idno type="eISSN">1878-4119</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Atrophy</term><term>Bone Density (physiology)</term><term>Cadaver</term><term>Cancellous Bone (diagnostic imaging)</term><term>Dental Implants</term><term>Female</term><term>Humans</term><term>Jaw, Edentulous (diagnostic imaging)</term><term>Jaw, Edentulous (surgery)</term><term>Male</term><term>Maxilla (diagnostic imaging)</term><term>Organ Size</term><term>Sex Factors</term><term>X-Ray Microtomography (methods)</term><term>Zygoma (diagnostic imaging)</term><term>Zygoma (surgery)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Atrophie</term><term>Cadavre</term><term>Densité osseuse (physiologie)</term><term>Facteurs sexuels</term><term>Femelle</term><term>Humains</term><term>Implants dentaires</term><term>Maxillaire (imagerie diagnostique)</term><term>Microtomographie aux rayons X ()</term><term>Mâchoire édentée ()</term><term>Mâchoire édentée (imagerie diagnostique)</term><term>Mâle</term><term>Os spongieux (imagerie diagnostique)</term><term>Os zygomatique ()</term><term>Os zygomatique (imagerie diagnostique)</term><term>Taille d'organe</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Dental Implants</term></keywords><keywords scheme="MESH" qualifier="diagnostic imaging" xml:lang="en"><term>Cancellous Bone</term><term>Jaw, Edentulous</term><term>Maxilla</term><term>Zygoma</term></keywords><keywords scheme="MESH" qualifier="imagerie diagnostique" xml:lang="fr"><term>Maxillaire</term><term>Mâchoire édentée</term><term>Os spongieux</term><term>Os zygomatique</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>X-Ray Microtomography</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Densité osseuse</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Bone Density</term></keywords><keywords scheme="MESH" qualifier="surgery" xml:lang="en"><term>Jaw, Edentulous</term><term>Zygoma</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Atrophy</term><term>Cadaver</term><term>Female</term><term>Humans</term><term>Male</term><term>Organ Size</term><term>Sex Factors</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Atrophie</term><term>Cadavre</term><term>Facteurs sexuels</term><term>Femelle</term><term>Humains</term><term>Implants dentaires</term><term>Microtomographie aux rayons X</term><term>Mâchoire édentée</term><term>Mâle</term><term>Os zygomatique</term><term>Taille d'organe</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In the severely atrophied maxilla, implant anchorage in the zygomatic bone is considered a viable alternative to conventional dental implants with preceding bone augmentation procedures. The present microCT-based study compared the trabecular bone quality of the maxilla and zygomatic bone. MicroCT scanning was conducted in 12 halves of cadaver heads (5 male, 7 female) with edentulous, atrophied maxillae. Relevant trabecular bone quality parameters were determined in the anterior and posterior maxilla and in the zygomatic bone and compared by region and sex. Any difference in mean values between the anterior maxilla and the zygomatic bone was insignificant. Comparison of both with the posterior maxilla presented significantly higher values for bone volume fraction, surface density, and trabecular thickness and number, and significantly lower values for specific bone surface, structure model index, and trabecular separation. A significant sex-specific difference was not detected. The present microCT-based analysis is, to the best of our knowledge, the first intra-individual comparison of different implant anchorage sites for masticatory rehabilitation of the maxilla. The trabecular compartment of the zygomatic bone offered bone quality and, thus, an implant bed comparable with those of the anterior maxilla, and both were superior to the posterior maxilla.</div></front></TEI><affiliations><list><country><li>Autriche</li><li>Suède</li></country><region><li>Vienne (Autriche)</li></region><settlement><li>Vienne (Autriche)</li></settlement></list><tree><country name="Suède"><noRegion><name sortKey="Bertl, Kristina" sort="Bertl, Kristina" uniqKey="Bertl K" first="Kristina" last="Bertl">Kristina Bertl</name></noRegion></country><country name="Autriche"><region name="Vienne (Autriche)"><name sortKey="Heimel, Patrick" sort="Heimel, Patrick" uniqKey="Heimel P" first="Patrick" last="Heimel">Patrick Heimel</name></region><name sortKey="Hirtler, Lena" sort="Hirtler, Lena" uniqKey="Hirtler L" first="Lena" last="Hirtler">Lena Hirtler</name><name sortKey="Rokl Riegler, Michaela" sort="Rokl Riegler, Michaela" uniqKey="Rokl Riegler M" first="Michaela" last="Rökl-Riegler">Michaela Rökl-Riegler</name><name sortKey="Ulm, Christian" sort="Ulm, Christian" uniqKey="Ulm C" first="Christian" last="Ulm">Christian Ulm</name><name sortKey="Zechner, Werner" sort="Zechner, Werner" uniqKey="Zechner W" first="Werner" last="Zechner">Werner Zechner</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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