A novel method of removing artifacts because of metallic dental restorations in 3‐D CT images of jaw bone
Identifieur interne : 007592 ( Main/Exploration ); précédent : 007591; suivant : 007593A novel method of removing artifacts because of metallic dental restorations in 3‐D CT images of jaw bone
Auteurs : Taiji Sohmura [Japon] ; Hirokazu Hojoh [Japon] ; Naoki Kusumoto [Japon] ; Masahiko Nishida [Japon] ; Kazumichi Wakabayashi [Japon] ; Junzo Takahashi [Japon]Source :
- Clinical Oral Implants Research [ 0905-7161 ] ; 2005-12.
English descriptors
- KwdEn :
- Acrylic resin, Anterior teeth, Artifact, Artifact removal, Artifacts removal, Bone images, Brindle pattern, Cast images, Cast models, Cette interface, Clin, Clinical application, Data format equivalent, Data linkup, Dental, Dental cast, Dental cast images, Dental cast model images, Dentition, Digital imaging, Female patient, Haptic, Haptic device, Images osseuses, Impl, Implant, Implant insertion, Implant surgery, Implants research, Innovative approach, Interface, International journal, Intraoral photograph, Iseikai hospital, Ivory color, Japan society, Labial surface, Laser scanner, Lower cast models, Lower dentition, Lower right, Marker plate, Marker plates, Metal artifacts, Metallic compounds, Metallic restorations, Minimum subtraction volume, Mode dentaire, Multislice spiral, Novel method, Oral cavity, Oral impl, Oral science, Orthognathic surgery, Other hand, Position coincidence, Present method, Previous study, Resin impression, Shape measurement, Sohmura, Stomatognathic system, Study attempts, Takahashi, Upper dentition, Valuable information, Wakabayashi, Window level, Window width.
- Teeft :
- Acrylic resin, Anterior teeth, Artifact, Artifact removal, Artifacts removal, Bone images, Brindle pattern, Cast images, Cast models, Cette interface, Clin, Clinical application, Data format equivalent, Data linkup, Dental, Dental cast, Dental cast images, Dental cast model images, Dentition, Digital imaging, Female patient, Haptic, Haptic device, Images osseuses, Impl, Implant, Implant insertion, Implant surgery, Implants research, Innovative approach, Interface, International journal, Intraoral photograph, Iseikai hospital, Ivory color, Japan society, Labial surface, Laser scanner, Lower cast models, Lower dentition, Lower right, Marker plate, Marker plates, Metal artifacts, Metallic compounds, Metallic restorations, Minimum subtraction volume, Mode dentaire, Multislice spiral, Novel method, Oral cavity, Oral impl, Oral science, Orthognathic surgery, Other hand, Position coincidence, Present method, Previous study, Resin impression, Shape measurement, Sohmura, Stomatognathic system, Study attempts, Takahashi, Upper dentition, Valuable information, Wakabayashi, Window level, Window width.
Abstract
Abstract: CT images, especially in a three‐dimensional (3‐D) mode, give valuable information for oral implant surgery. However, image quality is often severely compromised by artifacts originating from metallic dental restorations, and an effective solution for artifacts is being sought. This study attempts to substitute the damaged areas of the jaw bone images with dental cast model images obtained by CT. The position of the dental cast images was registered to that of the jaw bone images using a devised interface that is composed of an occlusal bite made of self‐curing acrylic resin and a marker plate made of gypsum. The patient adapted this interface, and CT images of the stomatognathic system were filmed. On the other hand, this interface was placed between the upper and lower cast models and filmed by CT together with the cast models. The position of the marker plate imaged with the dental casts was registered to those adapted by the patient. The error of registration was examined to be 0.25 mm, which was satisfactory for clinical application. The damaged region in the cranial bone images as an obstacle for implant surgery was removed and substituted with the trimmed images of the dental cast. In the method developed here, the images around the metallic compounds severely damaged by artifacts were successfully reconstructed, and the stomatognathic system images became clear, and this is useful for implant surgery.
Url:
DOI: 10.1111/j.1600-0501.2005.01139.x
Affiliations:
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Osaka</wicri:regionArea><wicri:noRegion>Osaka</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Clinical Oral Implants Research</title><title level="j" type="alt">CLINICAL ORAL IMPLANTS RESEARCH</title><idno type="ISSN">0905-7161</idno><idno type="eISSN">1600-0501</idno><imprint><biblScope unit="vol">16</biblScope><biblScope unit="issue">6</biblScope><biblScope unit="page" from="728">728</biblScope><biblScope unit="page" to="735">735</biblScope><biblScope unit="page-count">8</biblScope><publisher>Munksgaard International Publishers</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2005-12">2005-12</date></imprint><idno type="ISSN">0905-7161</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0905-7161</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acrylic resin</term><term>Anterior teeth</term><term>Artifact</term><term>Artifact removal</term><term>Artifacts removal</term><term>Bone images</term><term>Brindle pattern</term><term>Cast images</term><term>Cast models</term><term>Cette interface</term><term>Clin</term><term>Clinical application</term><term>Data format equivalent</term><term>Data linkup</term><term>Dental</term><term>Dental cast</term><term>Dental cast images</term><term>Dental cast model images</term><term>Dentition</term><term>Digital imaging</term><term>Female patient</term><term>Haptic</term><term>Haptic device</term><term>Images osseuses</term><term>Impl</term><term>Implant</term><term>Implant insertion</term><term>Implant surgery</term><term>Implants research</term><term>Innovative approach</term><term>Interface</term><term>International journal</term><term>Intraoral photograph</term><term>Iseikai hospital</term><term>Ivory color</term><term>Japan society</term><term>Labial surface</term><term>Laser scanner</term><term>Lower cast models</term><term>Lower dentition</term><term>Lower right</term><term>Marker plate</term><term>Marker plates</term><term>Metal artifacts</term><term>Metallic compounds</term><term>Metallic restorations</term><term>Minimum subtraction volume</term><term>Mode dentaire</term><term>Multislice spiral</term><term>Novel method</term><term>Oral cavity</term><term>Oral impl</term><term>Oral science</term><term>Orthognathic surgery</term><term>Other hand</term><term>Position coincidence</term><term>Present method</term><term>Previous study</term><term>Resin impression</term><term>Shape measurement</term><term>Sohmura</term><term>Stomatognathic system</term><term>Study attempts</term><term>Takahashi</term><term>Upper dentition</term><term>Valuable information</term><term>Wakabayashi</term><term>Window level</term><term>Window width</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Acrylic resin</term><term>Anterior teeth</term><term>Artifact</term><term>Artifact removal</term><term>Artifacts removal</term><term>Bone images</term><term>Brindle pattern</term><term>Cast images</term><term>Cast models</term><term>Cette interface</term><term>Clin</term><term>Clinical application</term><term>Data format equivalent</term><term>Data linkup</term><term>Dental</term><term>Dental cast</term><term>Dental cast images</term><term>Dental cast model images</term><term>Dentition</term><term>Digital imaging</term><term>Female patient</term><term>Haptic</term><term>Haptic device</term><term>Images osseuses</term><term>Impl</term><term>Implant</term><term>Implant insertion</term><term>Implant surgery</term><term>Implants research</term><term>Innovative approach</term><term>Interface</term><term>International journal</term><term>Intraoral photograph</term><term>Iseikai hospital</term><term>Ivory color</term><term>Japan society</term><term>Labial surface</term><term>Laser scanner</term><term>Lower cast models</term><term>Lower dentition</term><term>Lower right</term><term>Marker plate</term><term>Marker plates</term><term>Metal artifacts</term><term>Metallic compounds</term><term>Metallic restorations</term><term>Minimum subtraction volume</term><term>Mode dentaire</term><term>Multislice spiral</term><term>Novel method</term><term>Oral cavity</term><term>Oral impl</term><term>Oral science</term><term>Orthognathic surgery</term><term>Other hand</term><term>Position coincidence</term><term>Present method</term><term>Previous study</term><term>Resin impression</term><term>Shape measurement</term><term>Sohmura</term><term>Stomatognathic system</term><term>Study attempts</term><term>Takahashi</term><term>Upper dentition</term><term>Valuable information</term><term>Wakabayashi</term><term>Window level</term><term>Window width</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract">Abstract: CT images, especially in a three‐dimensional (3‐D) mode, give valuable information for oral implant surgery. However, image quality is often severely compromised by artifacts originating from metallic dental restorations, and an effective solution for artifacts is being sought. This study attempts to substitute the damaged areas of the jaw bone images with dental cast model images obtained by CT. The position of the dental cast images was registered to that of the jaw bone images using a devised interface that is composed of an occlusal bite made of self‐curing acrylic resin and a marker plate made of gypsum. The patient adapted this interface, and CT images of the stomatognathic system were filmed. On the other hand, this interface was placed between the upper and lower cast models and filmed by CT together with the cast models. The position of the marker plate imaged with the dental casts was registered to those adapted by the patient. The error of registration was examined to be 0.25 mm, which was satisfactory for clinical application. The damaged region in the cranial bone images as an obstacle for implant surgery was removed and substituted with the trimmed images of the dental cast. In the method developed here, the images around the metallic compounds severely damaged by artifacts were successfully reconstructed, and the stomatognathic system images became clear, and this is useful for implant surgery.</div></front></TEI><affiliations><list><country><li>Japon</li></country></list><tree><country name="Japon"><noRegion><name sortKey="Sohmura, Taiji" sort="Sohmura, Taiji" uniqKey="Sohmura T" first="Taiji" last="Sohmura">Taiji Sohmura</name></noRegion><name sortKey="Hojoh, Hirokazu" sort="Hojoh, Hirokazu" uniqKey="Hojoh H" first="Hirokazu" last="Hojoh">Hirokazu Hojoh</name><name sortKey="Kusumoto, Naoki" sort="Kusumoto, Naoki" uniqKey="Kusumoto N" first="Naoki" last="Kusumoto">Naoki Kusumoto</name><name sortKey="Nishida, Masahiko" sort="Nishida, Masahiko" uniqKey="Nishida M" first="Masahiko" last="Nishida">Masahiko Nishida</name><name sortKey="Takahashi, Junzo" sort="Takahashi, Junzo" uniqKey="Takahashi J" first="Junzo" last="Takahashi">Junzo Takahashi</name><name sortKey="Wakabayashi, Kazumichi" sort="Wakabayashi, Kazumichi" uniqKey="Wakabayashi K" first="Kazumichi" last="Wakabayashi">Kazumichi Wakabayashi</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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