The oblique radiographic technique for bone height measurements on edentulous mandibles : A preclinical study and an introduction to the clinical use
Identifieur interne : 009065 ( Main/Exploration ); précédent : 009064; suivant : 009066The oblique radiographic technique for bone height measurements on edentulous mandibles : A preclinical study and an introduction to the clinical use
Auteurs : K. Stellingsma [Pays-Bas] ; R. H. K. Batenburg [Pays-Bas] ; H. J. A. Meijer [Pays-Bas] ; G. M. Raghoebar [Pays-Bas] ; T. J. B. Kropmans [Pays-Bas]Source :
- Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics [ 1079-2104 ] ; 2000.
Descripteurs français
- KwdFr :
- MESH :
- imagerie diagnostique : Mandibule, Mâchoire édentée, Os et tissu osseux.
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Analysis of Variance, Bone, Bone and Bones (diagnostic imaging), Edentulousness, Exploration, Height, Human, Humans, In Vitro Techniques, Jaw, Edentulous (diagnostic imaging), Mandible (diagnostic imaging), Measurement, Oblique incidence, Observer Variation, Radiography, Radiography, Dental (instrumentation), Radiography, Dental (methods), Radiography, Dental (statistics & numerical data).
- MESH :
- diagnostic imaging : Bone and Bones, Jaw, Edentulous, Mandible.
- instrumentation : Radiography, Dental.
- methods : Radiography, Dental.
- statistics & numerical data : Radiography, Dental.
- Analysis of Variance, Humans, In Vitro Techniques, Observer Variation.
Abstract
Objective. The aim of this study was to quantify the effect of mandibular angulation, position, and shape of the edentulous mandible on the distortion of its image on lateral oblique radiographs in a preclinical study. Suggestions for the clinical use of this technique are made. Study design. Five edentulous dry mandibles were used, varying in size from small to wide and equipped with metal bars in and on top of the mandible. The mandibles were radiographed at 9 different positions by tilting the mandible around the intercondylar axis and by using the oblique projection technique in a cephalostat. Results. The length of the images of the metal bars varied significantly when we tilted the mandibles from 20 degrees to -20 degrees. As a result of the effects of magnification and distortion, the image size varied from between 0.96% and 1.06% of the real size. Neither the size of the mandible nor the position of the bars was related to the degree of magnification. Conclusion. The oblique projection technique has limited geometric errors in depicting the edentulous mandible. For evaluative bone height measurements in patients with extremely resorbed mandibles treated with dental implants, it is a promising technique if the patient (specifically the mandible) can be positioned reproducibly in the apparatus.
Affiliations:
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Stellingsma</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>University Hospital</s1><s3>NLD</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Pays-Bas</country><wicri:noRegion>University Hospital</wicri:noRegion></affiliation></author><author><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><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>University Hospital</s1><s3>NLD</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Pays-Bas</country><wicri:noRegion>University Hospital</wicri:noRegion></affiliation></author><author><name sortKey="Meijer, H J A" sort="Meijer, H J A" uniqKey="Meijer H" first="H. J. A." last="Meijer">H. J. A. Meijer</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>University Hospital</s1><s3>NLD</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Pays-Bas</country><wicri:noRegion>University Hospital</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</s1><s3>NLD</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Pays-Bas</country><wicri:noRegion>University Hospital</wicri:noRegion></affiliation></author><author><name sortKey="Kropmans, T J B" sort="Kropmans, T J B" uniqKey="Kropmans T" first="T. J. B." last="Kropmans">T. J. B. Kropmans</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>University Hospital</s1><s3>NLD</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Pays-Bas</country><wicri:noRegion>University Hospital</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="2000">2000</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>Analysis of Variance</term><term>Bone</term><term>Bone and Bones (diagnostic imaging)</term><term>Edentulousness</term><term>Exploration</term><term>Height</term><term>Human</term><term>Humans</term><term>In Vitro Techniques</term><term>Jaw, Edentulous (diagnostic imaging)</term><term>Mandible (diagnostic imaging)</term><term>Measurement</term><term>Oblique incidence</term><term>Observer Variation</term><term>Radiography</term><term>Radiography, Dental (instrumentation)</term><term>Radiography, Dental (methods)</term><term>Radiography, Dental (statistics & numerical data)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Analyse de variance</term><term>Biais de l'observateur</term><term>Humains</term><term>Mandibule (imagerie diagnostique)</term><term>Mâchoire édentée (imagerie diagnostique)</term><term>Os et tissu osseux (imagerie diagnostique)</term><term>Radiographie dentaire ()</term><term>Radiographie dentaire (instrumentation)</term><term>Techniques in vitro</term></keywords><keywords scheme="MESH" qualifier="diagnostic imaging" xml:lang="en"><term>Bone and Bones</term><term>Jaw, Edentulous</term><term>Mandible</term></keywords><keywords scheme="MESH" qualifier="imagerie diagnostique" xml:lang="fr"><term>Mandibule</term><term>Mâchoire édentée</term><term>Os et tissu osseux</term></keywords><keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Radiography, Dental</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Radiography, Dental</term></keywords><keywords scheme="MESH" qualifier="statistics & numerical data" xml:lang="en"><term>Radiography, Dental</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Analysis of Variance</term><term>Humans</term><term>In Vitro Techniques</term><term>Observer Variation</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Analyse de variance</term><term>Biais de l'observateur</term><term>Edentation</term><term>Humains</term><term>Radiographie</term><term>Incidence oblique</term><term>Hauteur</term><term>Mesure</term><term>Os</term><term>Exploration</term><term>Homme</term><term>Radiographie dentaire</term><term>Techniques in vitro</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 the edentulous mandible on the distortion of its image on lateral oblique radiographs in a preclinical study. Suggestions for the clinical use of this technique are made. Study design. Five edentulous dry mandibles were used, varying in size from small to wide and equipped with metal bars in and on top of the mandible. The mandibles were radiographed at 9 different positions by tilting the mandible around the intercondylar axis and by using the oblique projection technique in a cephalostat. Results. The length of the images of the metal bars varied significantly when we tilted the mandibles from 20 degrees to -20 degrees. As a result of the effects of magnification and distortion, the image size varied from between 0.96% and 1.06% of the real size. Neither the size of the mandible nor the position of the bars was related to the degree of magnification. Conclusion. The oblique projection technique has limited geometric errors in depicting the edentulous mandible. For evaluative bone height measurements in patients with extremely resorbed mandibles treated with dental implants, it is a promising technique if the patient (specifically the mandible) can be positioned reproducibly in the apparatus.</div></front></TEI><affiliations><list><country><li>Pays-Bas</li></country></list><tree><country name="Pays-Bas"><noRegion><name sortKey="Stellingsma, K" sort="Stellingsma, K" uniqKey="Stellingsma K" first="K." last="Stellingsma">K. Stellingsma</name></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><name sortKey="Kropmans, T J B" sort="Kropmans, T J B" uniqKey="Kropmans T" first="T. J. B." last="Kropmans">T. J. B. Kropmans</name><name sortKey="Meijer, H J A" sort="Meijer, H J A" uniqKey="Meijer H" first="H. J. A." last="Meijer">H. J. A. Meijer</name><name sortKey="Raghoebar, G M" sort="Raghoebar, G M" uniqKey="Raghoebar G" first="G. M." last="Raghoebar">G. M. Raghoebar</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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