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Facioskeletal changes in children with juvenile idiopathic arthritis
  1. M Twilt1,
  2. A J M Schulten2,
  3. P Nicolaas1,
  4. A Dülger1,
  5. L W A van Suijlekom-Smit1
  1. 1Department of Paediatrics, Erasmus MC Sophia Children’s Hospital, Rotterdam, The Netherlands
  2. 2Department of Orthodontics, Erasmus MC Sophia Children’s Hospital, Rotterdam, The Netherlands
  1. Correspondence to:
    Dr M Twilt
    Erasmus MC Sophia Children’s Hospital, Department of Paediatrics, Sp 1545, PO Box 2060, 3000 CB Rotterdam, The Netherlands; m.twilt{at}


Objective: To investigate the facioskeletal morphology in patients with juvenile idiopathic arthritis (JIA) with and without temporomandibular joint (TMJ) involvement.

Methods: Eighty five patients were included. TMJ involvement was defined by orthopantomogram alterations. Lateral cephalograms were used to determine linear and angular measurements and occlusion.

Results: Patients regardless of their TMJ status had a 67% chance for retrognathia and a 52% chance for posterior rotation of the mandible and, respectively, 82% and 58% if TMJ involvement were present. Changes were not uniformly distributed among the different subtypes.

Conclusion: Patients with JIA have an altered facial morphology, especially in the presence of TMJ involvement.

  • JIA, juvenile idiopathic arthritis
  • OPT, orthopantomogram
  • RF, rheumatoid factor
  • TMJ, temporomandibular joint
  • juvenile idiopathic arthritis
  • temporomandibular joints

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