• Shelly Abramowicz, Joshua M Levy, Sampath Prahalad, Curtis D Travers, and Sheila T Angeles-Han.
• Division of Oral and Maxillofacial Surgery, Departments of Surgery and Pediatrics, Emory University School of Medicine and Associate Chief, Section of Dentistry/Oral and Maxillofacial Surgery, Children's Healthcare of Atlanta, Atlanta, GA, USA. Electronic address: sabram5@emory.edu.
• Oral Surg Oral Med Oral Pathol Oral Radiol. 2019 Jan 1; 127 (1): 19-23.

ObjectiveChildren with juvenile idiopathic arthritis (JIA) are at risk for temporomandibular joint (TMJ) arthritis. This can lead to pain, limited mouth opening, facial asymmetry, and malocclusion. Our objective was to characterize patients with JIA and TMJ involvement in a single center.Study DesignThis was a retrospective study of children with JIA evaluated at Children's Healthcare of Atlanta. Inclusion criteria were confirmed JIA and jaw complaints. Medical records were reviewed to document demographics, JIA information, age at first TMJ complaint, and involvement of other joints. Descriptive statistics were computed.ResultsMajority of patients were white (mean age 13 years; range 5-18 years) with polyarticular rheumatoid factor (RF) negative or oligoarticular persistent JIA. Some were antinuclear antibody (ANA) positive, RF positive, or human leukocyte antigen (HLA)-B27 positive. Patients had involvement of other joints (e.g., fingers, knees, wrists). Of those with TMJ symptoms, 6 (10%) had TMJ arthritis.ConclusionsIn our cohort, 60 (10%) of patients were diagnosed with TMJ arthritis. In this population, patients who are female, white, RF negative, HLA-B27 negative, ANA negative, and polyarticular RF-negative subtype and have involvement of other joints have a higher likelihood of having TMJ symptoms. If a patient meets these criteria, careful evaluation of TMJs should take place.Copyright © 2019 Elsevier Inc. All rights reserved.

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