{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,24]],"date-time":"2026-04-24T20:21:22Z","timestamp":1777062082970,"version":"3.51.4"},"reference-count":16,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2012,12,10]],"date-time":"2012-12-10T00:00:00Z","timestamp":1355097600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Orthod Craniofacial Res"],"published-print":{"date-parts":[[2013,8]]},"abstract":"<jats:title>Structured Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>Temporomandibular joint (<jats:styled-content style=\"fixed-case\">TMJ<\/jats:styled-content>) arthritis in juvenile patients may interfere with optimal joint function and mouth opening patterns. Clinical assessment of maximal mouth opening capacity, laterotrusion and protrusion is critical to <jats:styled-content style=\"fixed-case\">TMJ<\/jats:styled-content> arthritis diagnosis, treatment choice and evaluation of a therapeutic intervention. The aim of the study was to determine the smallest minimal threshold at which differences in maximal mouth opening capacity, laterotrusion, and protrusion between two consecutive observations can be determined.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting and Sample Population<\/jats:title><jats:p>Department of Orthodontics, University of Aarhus, Denmark. Forty\u2010two consecutive patients with juvenile idiopathic arthritis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and Methods<\/jats:title><jats:p>Two experienced dentists used a calibrated metallic ruler to measure maximal mouth opening capacity, laterotrusion, and protrusion. Each measurement was carried out thrice by each observer. Intra\u2010 and inter\u2010observer variation and the smallest detectable difference were calculated for each variable.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The smallest detectable differences were as follows: maximal mouth opening capacity 4.9\u00a0mm, laterotrusion 2.4\u00a0mm, and protrusion 2.8\u00a0mm (one observer and one measurement). These differences declined when measurements were repeated; maximal mouth opening capacity 3.3\u00a0mm, laterotrusion 1.4\u00a0mm, and protrusion 1.8\u00a0mm (two observers with three measurements each). We found no support for a relationship between measurement variation and patient age, measurement variation and <jats:styled-content style=\"fixed-case\">TMJ<\/jats:styled-content> pain, or between measurement variation and previous\/current <jats:styled-content style=\"fixed-case\">TMJ<\/jats:styled-content> arthritis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The importance of the implementation of a standardized measurement protocol is emphasized including repeated measurements to reduce the smallest detectable difference.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ocr.12008","type":"journal-article","created":{"date-parts":[[2012,12,12]],"date-time":"2012-12-12T01:51:49Z","timestamp":1355277109000},"page":"137-145","source":"Crossref","is-referenced-by-count":28,"title":["Smallest detectable differences in clinical functional temporomandibular joint examination variables in juvenile idiopathic arthritis"],"prefix":"10.1111","volume":"16","author":[{"given":"P.","family":"Stoustrup","sequence":"first","affiliation":[{"name":"Section of Orthodontics Aarhus University  Aarhus C Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C.","family":"Verna","sequence":"additional","affiliation":[{"name":"Section of Orthodontics Aarhus University  Aarhus C Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"K. D.","family":"Kristensen","sequence":"additional","affiliation":[{"name":"Section of Orthodontics Aarhus University  Aarhus C Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A.","family":"K\u00fcseler","sequence":"additional","affiliation":[{"name":"Section of Orthodontics Aarhus University  Aarhus C Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"T.","family":"Herlin","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Aarhus University Hospital  Aarhus N Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"T. K.","family":"Pedersen","sequence":"additional","affiliation":[{"name":"Section of Orthodontics Aarhus University  Aarhus C Denmark"},{"name":"Department of Maxillofacial Surgery Aarhus University Hospital  Aarhus C Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2012,12,10]]},"reference":[{"key":"e_1_2_8_2_1","first-page":"1668","article-title":"A prospective study of magnetic resonance and radiographic imaging in relation to symptoms and clinical findings of the temporomandibular joint in children with juvenile idiopathic arthritis","volume":"35","author":"Pedersen TK","year":"2008","journal-title":"J Rheumatol"},{"key":"e_1_2_8_3_1","first-page":"1418","article-title":"Temporomandibular involvement in juvenile idiopathic arthritis","volume":"31","author":"Twilt M","year":"2004","journal-title":"J Rheumatol"},{"key":"e_1_2_8_4_1","first-page":"17","article-title":"Mandibular condyle lesions, jaw movements, and occlusal status in 15\u2010year\u2010old children with juvenile rheumatoid arthritis","volume":"98","author":"Karhulahti T","year":"1990","journal-title":"Scand J Dent Res"},{"key":"e_1_2_8_5_1","first-page":"120","article-title":"Juvenile arthritis and development of symptoms of temporomandibular disorders: a 15\u2010year prospective cohort study","volume":"21","author":"Engstr\u00f6m AL","year":"2007","journal-title":"J Orofac Pain"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1067\/moe.2001.115467"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1093\/rheumatology\/kep068"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2842.1995.tb00084.x"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1177\/00220345990780031101"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.archoralbio.2008.04.010"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1034\/j.1600-0722.2000.00747.x"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1177\/00220345990780081001"},{"key":"e_1_2_8_13_1","first-page":"390","article-title":"International League of Associations for Rheumatology classification of juvenile idiopathic arthritis: second revision, Edmonton, 2001","volume":"31","author":"Petty RE","year":"2004","journal-title":"J Rheumatol"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(86)90837-8"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/0021-9681(87)90069-5"},{"key":"e_1_2_8_16_1","first-page":"239","article-title":"Intra\u2010 and interobserver variability in the assessment of signs of disorder in the stomatognathic system","volume":"7","author":"Kopp S","year":"1983","journal-title":"Swed Dent J"},{"key":"e_1_2_8_17_1","first-page":"737","article-title":"An index for the measurement of normal maximum mouth opening","volume":"69","author":"Zawawi KH","year":"2003","journal-title":"J Can Dent Assoc"}],"container-title":["Orthodontics &amp; Craniofacial Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Focr.12008","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/ocr.12008","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,10,2]],"date-time":"2023-10-02T10:12:08Z","timestamp":1696241528000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/ocr.12008"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2012,12,10]]},"references-count":16,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2013,8]]}},"alternative-id":["10.1111\/ocr.12008"],"URL":"https:\/\/doi.org\/10.1111\/ocr.12008","archive":["Portico"],"relation":{},"ISSN":["1601-6335","1601-6343"],"issn-type":[{"value":"1601-6335","type":"print"},{"value":"1601-6343","type":"electronic"}],"subject":[],"published":{"date-parts":[[2012,12,10]]}}}