Bone height measurements on panoramic radiographs : The effect of shape and position of edentulous mandibles
Identifieur interne : 009F44 ( Main/Exploration ); précédent : 009F43; suivant : 009F45Bone height measurements on panoramic radiographs : The effect of shape and position of edentulous mandibles
Auteurs : R. H. K. Batenburg [Pays-Bas] ; K. Stellingsma [Pays-Bas] ; G. M. Raghoebar [Pays-Bas] ; A. Vissink [Pays-Bas]Source :
- Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics [ 1079-2104 ] ; 1997.
Descripteurs français
- KwdFr :
- Amélioration d'image radiographique, Céphalométrie, Endoprothèses, Grossissement radiographique, Humains, Mandibule (anatomopathologie), Mandibule (imagerie diagnostique), Mâchoire édentée (anatomopathologie), Mâchoire édentée (imagerie diagnostique), Posture, Radiographie panoramique, Reproductibilité des résultats, Rotation, Résines acryliques.
- MESH :
- anatomopathologie : Mandibule, Mâchoire édentée.
- imagerie diagnostique : Mandibule, Mâchoire édentée.
- Pascal (Inist)
- Amélioration d'image radiographique, Céphalométrie, Edentation, Endoprothèses, Grossissement radiographique, Humains, Posture, Radiographie panoramique, Mesure, Hauteur, Mandibule, Position, Forme, Etude expérimentale, Exploration, Homme, Cadavre, Reproductibilité des résultats, Rotation, Résines acryliques.
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Acrylic Resins, Cadaver, Cephalometry, Edentulousness, Experimental study, Exploration, Height, Human, Humans, Jaw, Edentulous (diagnostic imaging), Jaw, Edentulous (pathology), Mandible, Mandible (diagnostic imaging), Mandible (pathology), Measurement, Panoramic radiography, Position, Posture, Radiographic Image Enhancement, Radiographic Magnification, Radiography, Panoramic, Reproducibility of Results, Rotation, Shape, Stents.
- MESH :
- chemical : Acrylic Resins.
- diagnostic imaging : Jaw, Edentulous, Mandible.
- pathology : Jaw, Edentulous, Mandible.
- Cephalometry, Humans, Posture, Radiographic Image Enhancement, Radiographic Magnification, Radiography, Panoramic, Reproducibility of Results, Rotation, Stents.
Abstract
Objective. The aim of this study was to quantify the effect of mandibular angulation, position, and shape of an edentulous mandible on the distortion of its image in panoramic radiographs. Study design. Five edentulous dry mandibles varying in size from small to wide and equipped with metal bars in and on top of the mandible were used. The mandibles were radiographed at nine different positions by tilting the mandible posteriorly around a transversal axis, using an orthopantomograph. Results. The length of the images of the bars on top of the mandible increased significantly by tilting the mandibles from +20 degrees to -20 degrees. The magnification factor of the images of the intrabony bars in the mandible was the largest at 0 degrees and decreased significantly by both decreasing or increasing the inclination. The size of the mandible was not related to the magnification factor. Conclusion. For both diagnostic and evaluation purposes of the edentulous mandible, the panoramic radiograph is not a reliable radiographic technique unless meticulous precautions are taken for reproducible positioning of the patient in the apparatus.
Affiliations:
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H. K." last="Batenburg">R. H. K. Batenburg</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>University Hospital Groningen</s1><s3>NLD</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Pays-Bas</country><wicri:noRegion>University Hospital Groningen</wicri:noRegion></affiliation></author><author><name sortKey="Stellingsma, K" sort="Stellingsma, K" uniqKey="Stellingsma K" first="K." last="Stellingsma">K. Stellingsma</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>University Hospital Groningen</s1><s3>NLD</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Pays-Bas</country><wicri:noRegion>University Hospital Groningen</wicri:noRegion></affiliation></author><author><name sortKey="Raghoebar, G M" sort="Raghoebar, G M" uniqKey="Raghoebar G" first="G. M." last="Raghoebar">G. M. Raghoebar</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>University Hospital Groningen</s1><s3>NLD</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Pays-Bas</country><wicri:noRegion>University Hospital Groningen</wicri:noRegion></affiliation></author><author><name sortKey="Vissink, A" sort="Vissink, A" uniqKey="Vissink A" first="A." last="Vissink">A. Vissink</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>University Hospital Groningen</s1><s3>NLD</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Pays-Bas</country><wicri:noRegion>University Hospital Groningen</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics</title><title level="j" type="abbreviated">Oral surg. oral med. oral pathol. oral radiol. endo.</title><idno type="ISSN">1079-2104</idno><imprint><date when="1997">1997</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics</title><title level="j" type="abbreviated">Oral surg. oral med. oral pathol. oral radiol. endo.</title><idno type="ISSN">1079-2104</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acrylic Resins</term><term>Cadaver</term><term>Cephalometry</term><term>Edentulousness</term><term>Experimental study</term><term>Exploration</term><term>Height</term><term>Human</term><term>Humans</term><term>Jaw, Edentulous (diagnostic imaging)</term><term>Jaw, Edentulous (pathology)</term><term>Mandible</term><term>Mandible (diagnostic imaging)</term><term>Mandible (pathology)</term><term>Measurement</term><term>Panoramic radiography</term><term>Position</term><term>Posture</term><term>Radiographic Image Enhancement</term><term>Radiographic Magnification</term><term>Radiography, Panoramic</term><term>Reproducibility of Results</term><term>Rotation</term><term>Shape</term><term>Stents</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Amélioration d'image radiographique</term><term>Céphalométrie</term><term>Endoprothèses</term><term>Grossissement radiographique</term><term>Humains</term><term>Mandibule (anatomopathologie)</term><term>Mandibule (imagerie diagnostique)</term><term>Mâchoire édentée (anatomopathologie)</term><term>Mâchoire édentée (imagerie diagnostique)</term><term>Posture</term><term>Radiographie panoramique</term><term>Reproductibilité des résultats</term><term>Rotation</term><term>Résines acryliques</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Acrylic Resins</term></keywords><keywords scheme="MESH" qualifier="anatomopathologie" xml:lang="fr"><term>Mandibule</term><term>Mâchoire édentée</term></keywords><keywords scheme="MESH" qualifier="diagnostic imaging" xml:lang="en"><term>Jaw, Edentulous</term><term>Mandible</term></keywords><keywords scheme="MESH" qualifier="imagerie diagnostique" xml:lang="fr"><term>Mandibule</term><term>Mâchoire édentée</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Jaw, Edentulous</term><term>Mandible</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Cephalometry</term><term>Humans</term><term>Posture</term><term>Radiographic Image Enhancement</term><term>Radiographic Magnification</term><term>Radiography, Panoramic</term><term>Reproducibility of Results</term><term>Rotation</term><term>Stents</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Amélioration d'image radiographique</term><term>Céphalométrie</term><term>Edentation</term><term>Endoprothèses</term><term>Grossissement radiographique</term><term>Humains</term><term>Posture</term><term>Radiographie panoramique</term><term>Mesure</term><term>Hauteur</term><term>Mandibule</term><term>Position</term><term>Forme</term><term>Etude expérimentale</term><term>Exploration</term><term>Homme</term><term>Cadavre</term><term>Reproductibilité des résultats</term><term>Rotation</term><term>Résines acryliques</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Homme</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Objective. The aim of this study was to quantify the effect of mandibular angulation, position, and shape of an edentulous mandible on the distortion of its image in panoramic radiographs. Study design. Five edentulous dry mandibles varying in size from small to wide and equipped with metal bars in and on top of the mandible were used. The mandibles were radiographed at nine different positions by tilting the mandible posteriorly around a transversal axis, using an orthopantomograph. Results. The length of the images of the bars on top of the mandible increased significantly by tilting the mandibles from +20 degrees to -20 degrees. The magnification factor of the images of the intrabony bars in the mandible was the largest at 0 degrees and decreased significantly by both decreasing or increasing the inclination. The size of the mandible was not related to the magnification factor. Conclusion. For both diagnostic and evaluation purposes of the edentulous mandible, the panoramic radiograph is not a reliable radiographic technique unless meticulous precautions are taken for reproducible positioning of the patient in the apparatus.</div></front></TEI><affiliations><list><country><li>Pays-Bas</li></country></list><tree><country name="Pays-Bas"><noRegion><name sortKey="Batenburg, R H K" sort="Batenburg, R H K" uniqKey="Batenburg R" first="R. H. K." last="Batenburg">R. H. K. Batenburg</name></noRegion><name sortKey="Raghoebar, G M" sort="Raghoebar, G M" uniqKey="Raghoebar G" first="G. M." last="Raghoebar">G. M. Raghoebar</name><name sortKey="Stellingsma, K" sort="Stellingsma, K" uniqKey="Stellingsma K" first="K." last="Stellingsma">K. Stellingsma</name><name sortKey="Vissink, A" sort="Vissink, A" uniqKey="Vissink A" first="A." last="Vissink">A. Vissink</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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