Three-dimensional quantitative analysis of the bone density of mandibular condyle in dentulous and edentulous jaws: an in vivo study.
Identifieur interne : 010C38 ( Main/Exploration ); précédent : 010C37; suivant : 010C39Three-dimensional quantitative analysis of the bone density of mandibular condyle in dentulous and edentulous jaws: an in vivo study.
Auteurs : Himanshi Aggarwal [Inde] ; Raghuwar D. Singh [Inde] ; Manoj Kumar [Inde] ; Ragini Singh [Inde] ; Ramashanker Siddhartha [Inde] ; Sunit Kumar Jurel [Inde] ; Kaushal K. Agrawal [Inde] ; Pradeep Kumar [Inde]Source :
- Journal of clinical densitometry : the official journal of the International Society for Clinical Densitometry [ 1094-6950 ]
Descripteurs français
- KwdFr :
- Adulte d'âge moyen, Articulation temporomandibulaire (imagerie diagnostique), Articulation temporomandibulaire (physiopathologie), Condyle mandibulaire (anatomopathologie), Condyle mandibulaire (imagerie diagnostique), Densité osseuse, Denture, Femelle, Humains, Imagerie tridimensionnelle, Mâchoire édentée (imagerie diagnostique), Mâchoire édentée (physiopathologie), Mâle, Statistiques comme sujet, Sujet âgé, Tomodensitométrie multidétecteurs ().
- MESH :
- anatomopathologie : Condyle mandibulaire.
- imagerie diagnostique : Articulation temporomandibulaire, Condyle mandibulaire, Mâchoire édentée.
- physiopathologie : Articulation temporomandibulaire, Mâchoire édentée.
- Adulte d'âge moyen, Densité osseuse, Denture, Femelle, Humains, Imagerie tridimensionnelle, Mâle, Statistiques comme sujet, Sujet âgé, Tomodensitométrie multidétecteurs.
English descriptors
- KwdEn :
- Aged, Bone Density, Dentition, Female, Humans, Imaging, Three-Dimensional, Jaw, Edentulous (diagnostic imaging), Jaw, Edentulous (physiopathology), Male, Mandibular Condyle (diagnostic imaging), Mandibular Condyle (pathology), Middle Aged, Multidetector Computed Tomography (methods), Statistics as Topic, Temporomandibular Joint (diagnostic imaging), Temporomandibular Joint (physiopathology).
- MESH :
- diagnostic imaging : Jaw, Edentulous, Mandibular Condyle, Temporomandibular Joint.
- methods : Multidetector Computed Tomography.
- pathology : Mandibular Condyle.
- physiopathology : Jaw, Edentulous, Temporomandibular Joint.
- Aged, Bone Density, Dentition, Female, Humans, Imaging, Three-Dimensional, Male, Middle Aged, Statistics as Topic.
Abstract
Studies have reported that masticatory function and occlusal force are low in edentulous patients, which brings about a change in the density, thickness, and alignment of bony trabeculae. However, studies that have quantitatively measured the differential cortical and medullary bone densities of the mandibular condyle in vivo remain rare. This study determined and compared the cortical and medullary bone density of the mandibular condyle in dentulous and edentulous jaws, using multidetector computed tomography (CT). Forty mandibular condyles with no clinical signs of temporomandibular disorders were investigated in 2 groups with 10 subjects (aged 50-80 yr) in each group (group I: dentulous subjects with maintained occlusion; group II: completely edentulous patients) with multidetector CT. The density of condylar cortical and medullary bone was determined by using bone density analysis algorithms available within the proprietary software. Data were analyzed statistically with the 1-way analysis of variance test (p<0.05). The mean cortical bone density of the right and left condyles of group I was 686.11±102.78 Hounsfield unit (HU) and 775.91±89.62 HU, respectively and that of group II was 531.33±289.73 HU and 648.53±294.39 HU, respectively. The mean medullary bone density of the right and left condyles was maximum in group I subjects (429.69±102.62 HU and 486.62±108.60 HU, respectively) than in group II subjects (214.89±104.37 HU and 205.36±90.91 HU, respectively) with a statistically significant decrease in the mean scores (p<0.001). Within the limitations of this study, it can be concluded that the cortical and medullary densities of the mandibular condyle are more in dentulous than the edentulous jaws.
DOI: 10.1016/j.jocd.2014.09.002
PubMed: 25439457
Affiliations:
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Agrawal</name><affiliation wicri:level="1"><nlm:affiliation>Department of Prosthodontics, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh, India.</nlm:affiliation><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh</wicri:regionArea><wicri:noRegion>Uttar Pradesh</wicri:noRegion></affiliation></author><author><name sortKey="Kumar, Pradeep" sort="Kumar, Pradeep" uniqKey="Kumar P" first="Pradeep" last="Kumar">Pradeep Kumar</name><affiliation wicri:level="1"><nlm:affiliation>Department of Prosthodontics, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh, India. Electronic address: drpradeepkmr@gmail.com.</nlm:affiliation><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh</wicri:regionArea><wicri:noRegion>Uttar Pradesh</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="????"><PubDate><MedlineDate>2015 Jan-Mar</MedlineDate></PubDate></date><idno type="RBID">pubmed:25439457</idno><idno type="pmid">25439457</idno><idno type="doi">10.1016/j.jocd.2014.09.002</idno><idno type="wicri:Area/PubMed/Corpus">000581</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000581</idno><idno type="wicri:Area/PubMed/Curation">000581</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">000581</idno><idno type="wicri:Area/PubMed/Checkpoint">000581</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">000581</idno><idno type="wicri:Area/Ncbi/Merge">005671</idno><idno type="wicri:Area/Ncbi/Curation">005671</idno><idno type="wicri:Area/Ncbi/Checkpoint">005671</idno><idno type="wicri:doubleKey">1094-6950::Aggarwal H:three:dimensional:quantitative</idno><idno type="wicri:Area/Main/Merge">011646</idno><idno type="wicri:Area/Main/Curation">010C38</idno><idno type="wicri:Area/Main/Exploration">010C38</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Three-dimensional quantitative analysis of the bone density of mandibular condyle in dentulous and edentulous jaws: an in vivo study.</title><author><name sortKey="Aggarwal, Himanshi" sort="Aggarwal, Himanshi" uniqKey="Aggarwal H" first="Himanshi" last="Aggarwal">Himanshi Aggarwal</name><affiliation wicri:level="1"><nlm:affiliation>Department of Prosthodontics, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh, India.</nlm:affiliation><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh</wicri:regionArea><wicri:noRegion>Uttar Pradesh</wicri:noRegion></affiliation></author><author><name sortKey="Singh, Raghuwar D" sort="Singh, Raghuwar D" uniqKey="Singh R" first="Raghuwar D" last="Singh">Raghuwar D. Singh</name><affiliation wicri:level="1"><nlm:affiliation>Department of Prosthodontics, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh, India.</nlm:affiliation><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh</wicri:regionArea><wicri:noRegion>Uttar Pradesh</wicri:noRegion></affiliation></author><author><name sortKey="Kumar, Manoj" sort="Kumar, Manoj" uniqKey="Kumar M" first="Manoj" last="Kumar">Manoj Kumar</name><affiliation wicri:level="1"><nlm:affiliation>Department of Radiodiagnosis, King George's Medical University, Lucknow, Uttar Pradesh, India.</nlm:affiliation><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Radiodiagnosis, King George's Medical University, Lucknow, Uttar Pradesh</wicri:regionArea><wicri:noRegion>Uttar Pradesh</wicri:noRegion></affiliation></author><author><name sortKey="Singh, Ragini" sort="Singh, Ragini" uniqKey="Singh R" first="Ragini" last="Singh">Ragini Singh</name><affiliation wicri:level="1"><nlm:affiliation>Department of Radiodiagnosis, King George's Medical University, Lucknow, Uttar Pradesh, India.</nlm:affiliation><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Radiodiagnosis, King George's Medical University, Lucknow, Uttar Pradesh</wicri:regionArea><wicri:noRegion>Uttar Pradesh</wicri:noRegion></affiliation></author><author><name sortKey="Siddhartha, Ramashanker" sort="Siddhartha, Ramashanker" uniqKey="Siddhartha R" first="Ramashanker" last="Siddhartha">Ramashanker Siddhartha</name><affiliation wicri:level="1"><nlm:affiliation>Department of Prosthodontics, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh, India.</nlm:affiliation><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh</wicri:regionArea><wicri:noRegion>Uttar Pradesh</wicri:noRegion></affiliation></author><author><name sortKey="Jurel, Sunit Kumar" sort="Jurel, Sunit Kumar" uniqKey="Jurel S" first="Sunit Kumar" last="Jurel">Sunit Kumar Jurel</name><affiliation wicri:level="1"><nlm:affiliation>Department of Prosthodontics, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh, India.</nlm:affiliation><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh</wicri:regionArea><wicri:noRegion>Uttar Pradesh</wicri:noRegion></affiliation></author><author><name sortKey="Agrawal, Kaushal K" sort="Agrawal, Kaushal K" uniqKey="Agrawal K" first="Kaushal K" last="Agrawal">Kaushal K. Agrawal</name><affiliation wicri:level="1"><nlm:affiliation>Department of Prosthodontics, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh, India.</nlm:affiliation><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh</wicri:regionArea><wicri:noRegion>Uttar Pradesh</wicri:noRegion></affiliation></author><author><name sortKey="Kumar, Pradeep" sort="Kumar, Pradeep" uniqKey="Kumar P" first="Pradeep" last="Kumar">Pradeep Kumar</name><affiliation wicri:level="1"><nlm:affiliation>Department of Prosthodontics, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh, India. Electronic address: drpradeepkmr@gmail.com.</nlm:affiliation><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh</wicri:regionArea><wicri:noRegion>Uttar Pradesh</wicri:noRegion></affiliation></author></analytic><series><title level="j">Journal of clinical densitometry : the official journal of the International Society for Clinical Densitometry</title><idno type="ISSN">1094-6950</idno></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Bone Density</term><term>Dentition</term><term>Female</term><term>Humans</term><term>Imaging, Three-Dimensional</term><term>Jaw, Edentulous (diagnostic imaging)</term><term>Jaw, Edentulous (physiopathology)</term><term>Male</term><term>Mandibular Condyle (diagnostic imaging)</term><term>Mandibular Condyle (pathology)</term><term>Middle Aged</term><term>Multidetector Computed Tomography (methods)</term><term>Statistics as Topic</term><term>Temporomandibular Joint (diagnostic imaging)</term><term>Temporomandibular Joint (physiopathology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adulte d'âge moyen</term><term>Articulation temporomandibulaire (imagerie diagnostique)</term><term>Articulation temporomandibulaire (physiopathologie)</term><term>Condyle mandibulaire (anatomopathologie)</term><term>Condyle mandibulaire (imagerie diagnostique)</term><term>Densité osseuse</term><term>Denture</term><term>Femelle</term><term>Humains</term><term>Imagerie tridimensionnelle</term><term>Mâchoire édentée (imagerie diagnostique)</term><term>Mâchoire édentée (physiopathologie)</term><term>Mâle</term><term>Statistiques comme sujet</term><term>Sujet âgé</term><term>Tomodensitométrie multidétecteurs ()</term></keywords><keywords scheme="MESH" qualifier="anatomopathologie" xml:lang="fr"><term>Condyle mandibulaire</term></keywords><keywords scheme="MESH" qualifier="diagnostic imaging" xml:lang="en"><term>Jaw, Edentulous</term><term>Mandibular Condyle</term><term>Temporomandibular Joint</term></keywords><keywords scheme="MESH" qualifier="imagerie diagnostique" xml:lang="fr"><term>Articulation temporomandibulaire</term><term>Condyle mandibulaire</term><term>Mâchoire édentée</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Multidetector Computed Tomography</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Mandibular Condyle</term></keywords><keywords scheme="MESH" qualifier="physiopathologie" xml:lang="fr"><term>Articulation temporomandibulaire</term><term>Mâchoire édentée</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Jaw, Edentulous</term><term>Temporomandibular Joint</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Bone Density</term><term>Dentition</term><term>Female</term><term>Humans</term><term>Imaging, Three-Dimensional</term><term>Male</term><term>Middle Aged</term><term>Statistics as Topic</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adulte d'âge moyen</term><term>Densité osseuse</term><term>Denture</term><term>Femelle</term><term>Humains</term><term>Imagerie tridimensionnelle</term><term>Mâle</term><term>Statistiques comme sujet</term><term>Sujet âgé</term><term>Tomodensitométrie multidétecteurs</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Studies have reported that masticatory function and occlusal force are low in edentulous patients, which brings about a change in the density, thickness, and alignment of bony trabeculae. However, studies that have quantitatively measured the differential cortical and medullary bone densities of the mandibular condyle in vivo remain rare. This study determined and compared the cortical and medullary bone density of the mandibular condyle in dentulous and edentulous jaws, using multidetector computed tomography (CT). Forty mandibular condyles with no clinical signs of temporomandibular disorders were investigated in 2 groups with 10 subjects (aged 50-80 yr) in each group (group I: dentulous subjects with maintained occlusion; group II: completely edentulous patients) with multidetector CT. The density of condylar cortical and medullary bone was determined by using bone density analysis algorithms available within the proprietary software. Data were analyzed statistically with the 1-way analysis of variance test (p<0.05). The mean cortical bone density of the right and left condyles of group I was 686.11±102.78 Hounsfield unit (HU) and 775.91±89.62 HU, respectively and that of group II was 531.33±289.73 HU and 648.53±294.39 HU, respectively. The mean medullary bone density of the right and left condyles was maximum in group I subjects (429.69±102.62 HU and 486.62±108.60 HU, respectively) than in group II subjects (214.89±104.37 HU and 205.36±90.91 HU, respectively) with a statistically significant decrease in the mean scores (p<0.001). Within the limitations of this study, it can be concluded that the cortical and medullary densities of the mandibular condyle are more in dentulous than the edentulous jaws.</div></front></TEI><affiliations><list><country><li>Inde</li></country></list><tree><country name="Inde"><noRegion><name sortKey="Aggarwal, Himanshi" sort="Aggarwal, Himanshi" uniqKey="Aggarwal H" first="Himanshi" last="Aggarwal">Himanshi Aggarwal</name></noRegion><name sortKey="Agrawal, Kaushal K" sort="Agrawal, Kaushal K" uniqKey="Agrawal K" first="Kaushal K" last="Agrawal">Kaushal K. Agrawal</name><name sortKey="Jurel, Sunit Kumar" sort="Jurel, Sunit Kumar" uniqKey="Jurel S" first="Sunit Kumar" last="Jurel">Sunit Kumar Jurel</name><name sortKey="Kumar, Manoj" sort="Kumar, Manoj" uniqKey="Kumar M" first="Manoj" last="Kumar">Manoj Kumar</name><name sortKey="Kumar, Pradeep" sort="Kumar, Pradeep" uniqKey="Kumar P" first="Pradeep" last="Kumar">Pradeep Kumar</name><name sortKey="Siddhartha, Ramashanker" sort="Siddhartha, Ramashanker" uniqKey="Siddhartha R" first="Ramashanker" last="Siddhartha">Ramashanker Siddhartha</name><name sortKey="Singh, Raghuwar D" sort="Singh, Raghuwar D" uniqKey="Singh R" first="Raghuwar D" last="Singh">Raghuwar D. Singh</name><name sortKey="Singh, Ragini" sort="Singh, Ragini" uniqKey="Singh R" first="Ragini" last="Singh">Ragini Singh</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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