The accuracy of dental radiographic techniques used for evaluation of implant fixture placement.
Identifieur interne : 00AA53 ( Main/Merge ); précédent : 00AA52; suivant : 00AA54The accuracy of dental radiographic techniques used for evaluation of implant fixture placement.
Auteurs : M E Gher [États-Unis] ; A C RichardsonSource :
- The International journal of periodontics & restorative dentistry [ 0198-7569 ] ; 1995.
Descripteurs français
- KwdFr :
- Humains, Mandibule (imagerie diagnostique), Mâchoire partiellement édentée (imagerie diagnostique), Planification des soins du patient, Pose d'implant dentaire endo-osseux, Processus alvéolaire (imagerie diagnostique), Radiographie dentaire (), Radiographie panoramique, Tomodensitométrie, Tomographie, Tomographie à rayons X ().
- MESH :
English descriptors
- KwdEn :
- Alveolar Process (diagnostic imaging), Dental Implantation, Endosseous, Humans, Jaw, Edentulous, Partially (diagnostic imaging), Mandible (diagnostic imaging), Patient Care Planning, Radiography, Dental (methods), Radiography, Panoramic, Tomography, Tomography, X-Ray (methods), Tomography, X-Ray Computed.
- MESH :
- diagnostic imaging : Alveolar Process, Jaw, Edentulous, Partially, Mandible.
- methods : Radiography, Dental, Tomography, X-Ray.
- Dental Implantation, Endosseous, Humans, Patient Care Planning, Radiography, Panoramic, Tomography, Tomography, X-Ray Computed.
Abstract
Periapical, panoramic, linear tomographic, and computerized tomographic radiographs were made of a partially dentate human mandible with four implants in place. Measurements taken from the radiographs and computer-generated images were compared to measurements made directly on the cross-sectioned test specimen. Periapical radiographs produced the most accurate measurements. Computerized and linear tomographic images provided the unique advantage of cross-sectional views of anatomic structures, but image blurring inherent to linear tomography and volume-averaging error inherent to computerized tomography affected the accuracy of measurements made from these images. The use of a dense dimensional reference object helped to compensate for radiographic distortion and is appropriate when projection radiographic techniques are used. The CT reference scale provided the most accurate method for interpreting measurements made from the computerized tomogram. The use of a dense dimensional reference object is inappropriate with CT because of its volume-averaging error.
PubMed: 7558660
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pubmed:7558660Le document en format XML
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Gher</name><affiliation wicri:level="2"><nlm:affiliation>Periodontics Department, Naval Dental Center, San Diego, California, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Periodontics Department, Naval Dental Center, San Diego, California</wicri:regionArea><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Richardson, A C" sort="Richardson, A C" uniqKey="Richardson A" first="A C" last="Richardson">A C Richardson</name></author></analytic><series><title level="j">The International journal of periodontics & restorative dentistry</title><idno type="ISSN">0198-7569</idno><imprint><date when="1995" type="published">1995</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Alveolar Process (diagnostic imaging)</term><term>Dental Implantation, Endosseous</term><term>Humans</term><term>Jaw, Edentulous, Partially (diagnostic imaging)</term><term>Mandible (diagnostic imaging)</term><term>Patient Care Planning</term><term>Radiography, Dental (methods)</term><term>Radiography, Panoramic</term><term>Tomography</term><term>Tomography, X-Ray (methods)</term><term>Tomography, X-Ray Computed</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Humains</term><term>Mandibule (imagerie diagnostique)</term><term>Mâchoire partiellement édentée (imagerie diagnostique)</term><term>Planification des soins du patient</term><term>Pose d'implant dentaire endo-osseux</term><term>Processus alvéolaire (imagerie diagnostique)</term><term>Radiographie dentaire ()</term><term>Radiographie panoramique</term><term>Tomodensitométrie</term><term>Tomographie</term><term>Tomographie à rayons X ()</term></keywords><keywords scheme="MESH" qualifier="diagnostic imaging" xml:lang="en"><term>Alveolar Process</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>Processus alvéolaire</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Radiography, Dental</term><term>Tomography, X-Ray</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Dental Implantation, Endosseous</term><term>Humans</term><term>Patient Care Planning</term><term>Radiography, Panoramic</term><term>Tomography</term><term>Tomography, X-Ray Computed</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Humains</term><term>Planification des soins du patient</term><term>Pose d'implant dentaire endo-osseux</term><term>Radiographie dentaire</term><term>Radiographie panoramique</term><term>Tomodensitométrie</term><term>Tomographie</term><term>Tomographie à rayons X</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Periapical, panoramic, linear tomographic, and computerized tomographic radiographs were made of a partially dentate human mandible with four implants in place. Measurements taken from the radiographs and computer-generated images were compared to measurements made directly on the cross-sectioned test specimen. Periapical radiographs produced the most accurate measurements. Computerized and linear tomographic images provided the unique advantage of cross-sectional views of anatomic structures, but image blurring inherent to linear tomography and volume-averaging error inherent to computerized tomography affected the accuracy of measurements made from these images. The use of a dense dimensional reference object helped to compensate for radiographic distortion and is appropriate when projection radiographic techniques are used. The CT reference scale provided the most accurate method for interpreting measurements made from the computerized tomogram. The use of a dense dimensional reference object is inappropriate with CT because of its volume-averaging error.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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