{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T19:34:43Z","timestamp":1790537683345,"version":"4.1.0"},"reference-count":36,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2018,10,8]],"date-time":"2018-10-08T00:00:00Z","timestamp":1538956800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Oral Rehabilitation"],"published-print":{"date-parts":[[2019,1]]},"abstract":"Summary<\/jats:title>Background<\/jats:title>Deformation of the mandibular condyle can be associated with anterior disk displacement (ADD<\/jats:styled-content>) or involvement of the temporomandibular joint (TMJ<\/jats:styled-content>) by juvenile idiopathic arthritis (JIA<\/jats:styled-content>). Diagnostic differentiation is critical for proper management.<\/jats:p><\/jats:sec>Objectives<\/jats:title>To compare morphology and inflammation between TMJ<\/jats:styled-content>s with ADD<\/jats:styled-content> and JIA<\/jats:styled-content>.<\/jats:p><\/jats:sec>Methods<\/jats:title>Retrospective assessment of contrast\u2010enhanced TMJ MRI<\/jats:styled-content> in 18 adolescents (15 female, mean age 15.1\u00a0\u00b1\u00a01.9\u00a0years) with ADD<\/jats:styled-content> and age\u2010 and gender\u2010matched patients with JIA<\/jats:styled-content>. Articular disk findings, inflammatory signs and osseous morphology were compared.<\/jats:p><\/jats:sec>Results<\/jats:title>In the ADD<\/jats:styled-content> group, 31 of 36 disks were displaced. In total, 28 of 31 displaced disks showed thickening of the bilaminar zone. In JIA<\/jats:styled-content> patients, the disks were mainly flattened (19\/36), centrally perforated (12\/36) and\/or anteriorly displaced (2\/36). In total, 19 of 31 TMJ<\/jats:styled-content>s with ADD<\/jats:styled-content> showed various degrees of inflammation, with joint effusion, synovial thickening and joint enhancement not significantly different from JIA<\/jats:styled-content> patients. Osseous deformity was present in 27 of 31 TMJ<\/jats:styled-content>s with ADD<\/jats:styled-content>, with frequent erosions in both groups (ADD<\/jats:styled-content> 25\/31; JIA<\/jats:styled-content> 32\/36, P<\/jats:italic>\u00a0=\u00a00.55) but lower grades of condylar and temporal bone flattening than in JIA<\/jats:styled-content> (P<\/jats:italic>\u00a0\u2264\u00a00.001). Glenoid fossa depth was preserved in 28 of 31 joints with ADD<\/jats:styled-content> and decreased in 26 of 36 joints with JIA<\/jats:styled-content> (P<\/jats:italic>\u00a0<\u00a00.0001). Mandibular ramus height was decreased in both groups.<\/jats:p><\/jats:sec>Conclusion<\/jats:title>In adolescents, inflammatory signs are common MRI<\/jats:styled-content> findings in symptomatic TMJ<\/jats:styled-content>s with ADD<\/jats:styled-content> and thus should not be considered diagnostic for JIA<\/jats:styled-content> involvement. In this cohort, both entities had high rates of condylar deformity, while TMJ<\/jats:styled-content>s with ADD<\/jats:styled-content> showed a better\u2010preserved and often normal shape of the glenoid fossa.<\/jats:p><\/jats:sec>","DOI":"10.1111\/joor.12720","type":"journal-article","created":{"date-parts":[[2018,9,25]],"date-time":"2018-09-25T16:23:25Z","timestamp":1537892605000},"page":"14-22","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":42,"title":["Temporomandibular joint magnetic resonance imaging findings in adolescents with anterior disk displacement compared to those with juvenile idiopathic arthritis"],"prefix":"10.1111","volume":"46","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9122-2431","authenticated-orcid":false,"given":"Christian J.","family":"Kellenberger","sequence":"first","affiliation":[{"name":"Department of Diagnostic Imaging University Children's Hospital Z\u00fcrich Z\u00fcrich 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Switzerland"},{"name":"Department of Paediatrics Cantonal Hospital Winterthur Winterthur Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vera","family":"Colombo","sequence":"additional","affiliation":[{"name":"Center of Dental Medicine University of Z\u00fcrich Z\u00fcrich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dominik A.","family":"Ettlin","sequence":"additional","affiliation":[{"name":"Center of Dental Medicine University of Z\u00fcrich Z\u00fcrich 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