4.4 Article

The Diagnosis and Treatment of Rheumatoid and Juvenile Idiopathic Arthritis of the Temporomandibular Joint

Journal

DEUTSCHES ARZTEBLATT INTERNATIONAL
Volume 119, Issue 4, Pages 47-+

Publisher

DEUTSCHER AERZTE-VERLAG GMBH
DOI: 10.3238/arztebl.m2021.0388

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Involvement of the temporomandibular joint is common in patients with rheumatoid arthritis and juvenile idiopathic arthritis, with many cases being asymptomatic. Early diagnosis and treatment are essential, but there is still a lack of consensus in management. Regular clinical evaluation is recommended, particularly for patients with juvenile idiopathic arthritis.
Background: Involvement of the temporomandibular joint can be shown in 40-90% of patients with rheumatoid arthritis and juvenile idiopathic arthritis (JIA), although it is often asymptomatic. Restricted jaw mobility and jaw pain can be found in approximately 20% of patients with JIA (prevalence: 70 per 100 000 persons). Early diagnosis and treatment of the underlying disease are essential for a good outcome, but uniform, consensus-based management is still lacking. Methods: The clinical practice guideline is based on the findings of a systematic literature review in multiple databases and a Delphi procedure to obtain consensus on the recommendations. Results: Most of the identified studies were retrospective. Patients with JIA should undergo clinical screening with a structured examination protocol once per year in childhood and adolescence, and thereafter as well if the temporomandibular joint is involved. The diagnosis of chronic rheumatoid arthritis of the temporomandibular joint is established with contrast-enhanced magnetic resonance imaging. Conservative treatment (antirheumatic basal therapy, local measures) is unsuccessful in less than 10% of patients. In such cases, arthroscopy and arthrocentesis can be used for temporary symptom relief and functional improvement. Intra-articular corticosteroid injections should be given only once, and only in otherwise intractable cases. In severe cases where all other options have been exhausted (<1%), open surgical treatment can be considered, including alloplastic joint replacement. Conclusion: Oligosymptomatic and asymptomatic cases are common even with radiologic evidence of marked joint damage. The possibility of rheumatic involvement of the temporomandibular joint must be kept in mind so that serious complications can be avoided. Regular clinical evaluation of the temporomandibular joint is recommended, particularly for patients with juvenile idiopathic arthritis.

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