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Histomorphometric analysis of unilateral condylar hyperplasia in the temporomandibular joint: the value of the condylar layer and cartilage island

dc.contributor.authorVásquez B.
dc.contributor.authorOlate S.
dc.contributor.authorCantín M.
dc.contributor.authorSandoval C.
dc.contributor.authordel Sol M.
dc.contributor.authorde Moraes M.
dc.date.accessioned2020-09-02T22:30:28Z
dc.date.available2020-09-02T22:30:28Z
dc.date.issued2017
dc.identifier10.1016/j.ijom.2017.03.007
dc.identifier.citation46, 7, 861-866
dc.identifier.issn09015027
dc.identifier.urihttps://hdl.handle.net/20.500.12728/6601
dc.descriptionThis study aimed to describe the condylar layer and cartilage island in subjects with unilateral condylar hyperplasia (UCH). Five individuals (15–18 years old) with a diagnosis of UCH, treated in a university hospital in Temuco, Chile, were included. The analysis examined the presence, extension, and thickness of the layers on the condylar surface, the number, depth, and area of the cartilage islands, and the argyrophilic proteins of the nucleolar organizer region (AgNOR) score. Statistical significance was set at P < 0.05. The fibrocartilaginous layer was thickest (0.13 ± 0.05 mm) and the joint layer was thinnest (0.07 ± 0.01 mm) (P < 0.05). With respect to the number, depth, and area of the islands, case 1 presented the highest values, followed by case 2; the cartilage island was related to the fibrocartilaginous layer (P < 0.05). All cases had AgNOR proteins in the proliferative and fibrocartilaginous layers, as well as the islands with the greatest presence of chondrocytes (P = 0.245). A relationship was observed between the histopathological alterations in the different layers on the condylar surface and the thickness of the fibrocartilaginous layer, as well as the thickness of the latter and the number, depth, and area of the cartilage islands in the trabecular bone. © 2017 International Association of Oral and Maxillofacial Surgeons
dc.language.isoen
dc.publisherChurchill Livingstone
dc.subjectcondylectomy
dc.subjectfacial asymmetry
dc.subjectunilateral condylar hyperplasia
dc.subjectadolescent
dc.subjectadult
dc.subjectArticle
dc.subjectcartilage
dc.subjectChile
dc.subjectchondrocyte
dc.subjectchromosome NOR
dc.subjectclinical article
dc.subjectcone beam computed tomography
dc.subjectcone beam computed tomography scanner
dc.subjectfemale
dc.subjecthuman
dc.subjecthyperplasia
dc.subjectimaging software
dc.subjectmale
dc.subjectmandible condyle
dc.subjectmorphometry
dc.subjectmusculoskeletal system parameters
dc.subjectosteocyte
dc.subjectsingle photon emission computed tomography
dc.subjecttemporomandibular joint
dc.subjecttemporomandibular joint disorder
dc.subjecttemporomandibular joint unilateral condylar hyperplasia
dc.subjecttrabecular bone
dc.subjectyoung adult
dc.subjectarticular cartilage
dc.subjectdiagnostic imaging
dc.subjecthyperplasia
dc.subjectmalocclusion
dc.subjectmandible condyle
dc.subjectpathology
dc.subjecttemporomandibular joint disorder
dc.subjecttreatment outcome
dc.subjectAdolescent
dc.subjectCartilage, Articular
dc.subjectCone-Beam Computed Tomography
dc.subjectFemale
dc.subjectHumans
dc.subjectHyperplasia
dc.subjectMale
dc.subjectMalocclusion, Angle Class III
dc.subjectMandibular Condyle
dc.subjectTemporomandibular Joint Disorders
dc.subjectTomography, Emission-Computed, Single-Photon
dc.subjectTreatment Outcome
dc.titleHistomorphometric analysis of unilateral condylar hyperplasia in the temporomandibular joint: the value of the condylar layer and cartilage island
dc.typeArticle


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