Morphology and dimensions of the mandibular jaw bone in the interforaminal region in patients requiring implants in the distal areas.
Identifieur interne : 007C69 ( Main/Exploration ); précédent : 007C68; suivant : 007C70Morphology and dimensions of the mandibular jaw bone in the interforaminal region in patients requiring implants in the distal areas.
Auteurs : Marc Quirynen [Belgique] ; Nuri Mraiwa ; Daniel Van Steenberghe ; Reinhilde JacobsSource :
- Clinical oral implants research [ 0905-7161 ] ; 2003.
Descripteurs français
- KwdFr :
- Adolescent, Adulte, Adulte d'âge moyen, Anatomie en coupes transversales, Céphalométrie, Facteurs de l'âge, Facteurs de risque, Facteurs sexuels, Femelle, Humains, Implants dentaires, Loi du khi-deux, Mandibule (anatomopathologie), Mandibule (imagerie diagnostique), Mâchoire partiellement édentée (anatomopathologie), Mâchoire partiellement édentée (imagerie diagnostique), Mâchoire édentée (anatomopathologie), Mâchoire édentée (imagerie diagnostique), Mâle, Sujet âgé, Sujet âgé de 80 ans ou plus, Tomodensitométrie hélicoïdale, Traitement d'image par ordinateur.
- MESH :
- anatomopathologie : Mandibule, Mâchoire partiellement édentée, Mâchoire édentée.
- imagerie diagnostique : Mandibule, Mâchoire partiellement édentée, Mâchoire édentée.
- Adolescent, Adulte, Adulte d'âge moyen, Anatomie en coupes transversales, Céphalométrie, Facteurs de l'âge, Facteurs de risque, Facteurs sexuels, Femelle, Humains, Implants dentaires, Loi du khi-deux, Mâle, Sujet âgé, Sujet âgé de 80 ans ou plus, Tomodensitométrie hélicoïdale, Traitement d'image par ordinateur.
English descriptors
- KwdEn :
- Adolescent, Adult, Age Factors, Aged, Aged, 80 and over, Anatomy, Cross-Sectional, Cephalometry, Chi-Square Distribution, Contraindications, Dental Implants, Female, Humans, Image Processing, Computer-Assisted, Jaw, Edentulous (diagnostic imaging), Jaw, Edentulous (pathology), Jaw, Edentulous, Partially (diagnostic imaging), Jaw, Edentulous, Partially (pathology), Male, Mandible (diagnostic imaging), Mandible (pathology), Middle Aged, Risk Factors, Sex Factors, Tomography, Spiral Computed.
- MESH :
- chemical : Dental Implants.
- diagnostic imaging : Jaw, Edentulous, Jaw, Edentulous, Partially, Mandible.
- pathology : Jaw, Edentulous, Jaw, Edentulous, Partially, Mandible.
- Adolescent, Adult, Age Factors, Aged, Aged, 80 and over, Anatomy, Cross-Sectional, Cephalometry, Chi-Square Distribution, Contraindications, Female, Humans, Image Processing, Computer-Assisted, Male, Middle Aged, Risk Factors, Sex Factors, Tomography, Spiral Computed.
Abstract
This study aimed to analyse variations in the mandibular interforaminal morphology in an attempt to identify potential risks or contraindications for surgery, especially implant installation, in this particular region. A total of 210 spiral computer tomography (CT) examinations of patients requiring endosseous implant installation in the lower jaw were re-evaluated to explore anatomical variations in bone morphology (shape and contour), and to measure parameters concerning height, width and inclination of the bone in the symphyseal atrea. All measurements were performed on the cross-sectional reformatted images mesial to the mental foramina. A lingual concavity (with a depth of 6 +/- 2.6 mm) was observed in 2.4% of the jaws, with a remaining bone height in that area ranging from 4.2 to 11.9 mm. A clearly lingual tilted/inclined morphology was seen in 28.1% of jaws with a mean angle of 67.6 +/- 6.5 degrees, but a relatively constant width (> 8.8 mm). The remaining jaws (69.5%) showed a slight broadening in the caudal direction. The morphologic parameters were influenced neither by age nor by gender. In conclusion, mandibles with a lingual concavity or a severe slope of the lingual cortex might confer increased risks of lingual perforations during trepanation surgery or graft harvesting as well as fenestrations during implant installation. The detection frequency of such variations within the lower jaw seems to advocate a profound dissection of the lingual site and, in the case of some special treatment strategies, additional cross-sectional radiography.
PubMed: 12755778
Affiliations:
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Le document en format XML
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Marc.Quirynen@med.kuleuven.ac.be</nlm:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Department of Periodontology, School of Dentistry, Oral Pathology and Maxillofacial Surgery, Faculty of Medicine, Catholic University of Leuven, Leuven</wicri:regionArea><wicri:noRegion>Leuven</wicri:noRegion></affiliation></author><author><name sortKey="Mraiwa, Nuri" sort="Mraiwa, Nuri" uniqKey="Mraiwa N" first="Nuri" last="Mraiwa">Nuri Mraiwa</name></author><author><name sortKey="Van Steenberghe, Daniel" sort="Van Steenberghe, Daniel" uniqKey="Van Steenberghe D" first="Daniel" last="Van Steenberghe">Daniel Van Steenberghe</name></author><author><name sortKey="Jacobs, Reinhilde" sort="Jacobs, Reinhilde" uniqKey="Jacobs R" first="Reinhilde" last="Jacobs">Reinhilde Jacobs</name></author></analytic><series><title level="j">Clinical oral implants research</title><idno type="ISSN">0905-7161</idno><imprint><date when="2003" type="published">2003</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adolescent</term><term>Adult</term><term>Age Factors</term><term>Aged</term><term>Aged, 80 and over</term><term>Anatomy, Cross-Sectional</term><term>Cephalometry</term><term>Chi-Square Distribution</term><term>Contraindications</term><term>Dental Implants</term><term>Female</term><term>Humans</term><term>Image Processing, Computer-Assisted</term><term>Jaw, Edentulous (diagnostic imaging)</term><term>Jaw, Edentulous (pathology)</term><term>Jaw, Edentulous, Partially (diagnostic imaging)</term><term>Jaw, Edentulous, Partially (pathology)</term><term>Male</term><term>Mandible (diagnostic imaging)</term><term>Mandible (pathology)</term><term>Middle Aged</term><term>Risk Factors</term><term>Sex Factors</term><term>Tomography, Spiral Computed</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adolescent</term><term>Adulte</term><term>Adulte d'âge moyen</term><term>Anatomie en coupes transversales</term><term>Céphalométrie</term><term>Facteurs de l'âge</term><term>Facteurs de risque</term><term>Facteurs sexuels</term><term>Femelle</term><term>Humains</term><term>Implants dentaires</term><term>Loi du khi-deux</term><term>Mandibule (anatomopathologie)</term><term>Mandibule (imagerie diagnostique)</term><term>Mâchoire partiellement édentée (anatomopathologie)</term><term>Mâchoire partiellement édentée (imagerie diagnostique)</term><term>Mâchoire édentée (anatomopathologie)</term><term>Mâchoire édentée (imagerie diagnostique)</term><term>Mâle</term><term>Sujet âgé</term><term>Sujet âgé de 80 ans ou plus</term><term>Tomodensitométrie hélicoïdale</term><term>Traitement d'image par ordinateur</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Dental Implants</term></keywords><keywords scheme="MESH" qualifier="anatomopathologie" xml:lang="fr"><term>Mandibule</term><term>Mâchoire partiellement édentée</term><term>Mâchoire édentée</term></keywords><keywords scheme="MESH" qualifier="diagnostic imaging" xml:lang="en"><term>Jaw, Edentulous</term><term>Jaw, Edentulous, Partially</term><term>Mandible</term></keywords><keywords scheme="MESH" qualifier="imagerie diagnostique" xml:lang="fr"><term>Mandibule</term><term>Mâchoire partiellement édentée</term><term>Mâchoire édentée</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Jaw, Edentulous</term><term>Jaw, Edentulous, Partially</term><term>Mandible</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adolescent</term><term>Adult</term><term>Age Factors</term><term>Aged</term><term>Aged, 80 and over</term><term>Anatomy, Cross-Sectional</term><term>Cephalometry</term><term>Chi-Square Distribution</term><term>Contraindications</term><term>Female</term><term>Humans</term><term>Image Processing, Computer-Assisted</term><term>Male</term><term>Middle Aged</term><term>Risk Factors</term><term>Sex Factors</term><term>Tomography, Spiral Computed</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adolescent</term><term>Adulte</term><term>Adulte d'âge moyen</term><term>Anatomie en coupes transversales</term><term>Céphalométrie</term><term>Facteurs de l'âge</term><term>Facteurs de risque</term><term>Facteurs sexuels</term><term>Femelle</term><term>Humains</term><term>Implants dentaires</term><term>Loi du khi-deux</term><term>Mâle</term><term>Sujet âgé</term><term>Sujet âgé de 80 ans ou plus</term><term>Tomodensitométrie hélicoïdale</term><term>Traitement d'image par ordinateur</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study aimed to analyse variations in the mandibular interforaminal morphology in an attempt to identify potential risks or contraindications for surgery, especially implant installation, in this particular region. A total of 210 spiral computer tomography (CT) examinations of patients requiring endosseous implant installation in the lower jaw were re-evaluated to explore anatomical variations in bone morphology (shape and contour), and to measure parameters concerning height, width and inclination of the bone in the symphyseal atrea. All measurements were performed on the cross-sectional reformatted images mesial to the mental foramina. A lingual concavity (with a depth of 6 +/- 2.6 mm) was observed in 2.4% of the jaws, with a remaining bone height in that area ranging from 4.2 to 11.9 mm. A clearly lingual tilted/inclined morphology was seen in 28.1% of jaws with a mean angle of 67.6 +/- 6.5 degrees, but a relatively constant width (> 8.8 mm). The remaining jaws (69.5%) showed a slight broadening in the caudal direction. The morphologic parameters were influenced neither by age nor by gender. In conclusion, mandibles with a lingual concavity or a severe slope of the lingual cortex might confer increased risks of lingual perforations during trepanation surgery or graft harvesting as well as fenestrations during implant installation. The detection frequency of such variations within the lower jaw seems to advocate a profound dissection of the lingual site and, in the case of some special treatment strategies, additional cross-sectional radiography.</div></front></TEI><affiliations><list><country><li>Belgique</li></country></list><tree><noCountry><name sortKey="Jacobs, Reinhilde" sort="Jacobs, Reinhilde" uniqKey="Jacobs R" first="Reinhilde" last="Jacobs">Reinhilde Jacobs</name><name sortKey="Mraiwa, Nuri" sort="Mraiwa, Nuri" uniqKey="Mraiwa N" first="Nuri" last="Mraiwa">Nuri Mraiwa</name><name sortKey="Van Steenberghe, Daniel" sort="Van Steenberghe, Daniel" uniqKey="Van Steenberghe D" first="Daniel" last="Van Steenberghe">Daniel Van Steenberghe</name></noCountry><country name="Belgique"><noRegion><name sortKey="Quirynen, Marc" sort="Quirynen, Marc" uniqKey="Quirynen M" first="Marc" last="Quirynen">Marc Quirynen</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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