alexa Dento-alveolar Changes And Need Of Orthodontic Treatment In JIA Patients Followed From Childhood To Adulthood
ISSN: 2161-1122

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Research Article

Dento-alveolar Changes And Need Of Orthodontic Treatment In JIA Patients Followed From Childhood To Adulthood

Fjeld MG1*, Birkeland K1, Arvidsson LZ2, Stabrun AE1, Larheim TA2 and Øgaard B1

1Departments of Orthodontics, University of Oslo, Norway

2Maxillofacial Radiology, Faculty of Dentistry, University of Oslo, Norway

*Corresponding Author:
Morten G Fjeld
Departments of Orthodontics
University of Oslo, Norway
Tel: +47 2285 2053
Fax: +47 2285 2346
E-mail: [email protected]

Received date: February 08, 2014; Accepted date: April 17, 2014; Published date: April 19, 2014

Citation: Fjeld MG, Birkeland K, Arvidsson LZ, Stabrun AE, Larheim TA, et al. (2014) Dento-alveolar Changes and Need of Orthodontic Treatment in JIA Patients Followed from Childhood to Adulthood. Dentistry S2:003. doi: 10.4172/2161-1122.S2-003

Copyright: © 2014 Fjeld, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Objectives: To determine the occlusal traits and the objective orthodontic treatment need in a group of JIA children, with and without radiographic TMJ involvement, and compare with the objective orthodontic treatment need in adulthood.
Methods: Fifty-three JIA children (mean age 11.2 years) were studied; 30 had radiographic TMJ involvement (TMJ+ group) and 23 had no involvement (TMJ- group). Measurements were performed on dental study casts using the Need of Orthodontic Treatment Index, with 106 gender and age matched controls. Of the 53 JIA patients, 41 had available dental study casts in adulthood that were compared to childhood study casts.
Results: In childhood, TMJ+ subjects had an overjet ≥9 mm more frequently than controls (p<0.037). More TMJ+ subjects were categorized with “great treatment need” than controls, 23.5% versus 9.5% (p<0.042), respectively. As adults, 34% had a history of orthodontic treatment; 7.3% with orthognathic surgery. Only 5% could be categorized with “great treatment need” compared to 24% in childhood (p = 0.012).
Conclusions: JIA children with TMJ involvement were more susceptible to a large overjet, leading to "great treatment need" more frequently than controls. In adulthood the occlusion had improved due to orthodontic treatment and orthognathic surgery and probably, due to craniofacial growth and development. In growing JIA patients it is important to monitor the occlusal development.


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