Clinically Established Temporomandibular Involvement in Adults With Juvenile Idiopathic Arthritis
Authors' conclusion
The high prevalence of clinically established TMJ involvement in adults with JIA indicates the need for awareness of TMJ problems in adults with JIA. TMJ involvement negatively influenced AMIO and should therefore be part of the TMJ screening in adults with JIA. AMVBF seems to have less utility for TMJ screening in adult populations.
Study context
- Population
- Adults with juvenile idiopathic arthritis (JIA) and healthy adult controls
- Exposure
- Adults with JIA vs healthy controls
- JIAn = 100
- Healthy controlsn = 59reference
- Outcome
- Clinically established TMJ involvement (prevalence)
Methodological detailsunadjusted and adjusted models (sex, disease duration)
- Unadjusted and adjusted models (sex, disease duration)
Main finding
As reported in the abstract
JIA
56%
Observational data: associations, not effects.
Further findings
| Outcome | Difference (95% CI) | P value | |
|---|---|---|---|
| Active maximum interincisal mouth opening (AMIO)Healthy controlsvs JIA without TMJ involvementNo differences of AMIO were found | −2.52 (−5.13 to 0.10) | P = 0.06 | |
| −10−505Difference (linear scale) |
| Outcome | Difference (less) (mm) (95% CI) | P value |
|---|---|---|
| Active maximum interincisal mouth opening (AMIO)JIA with TMJ involvement vs JIA without TMJ involvement | 8.8 (−11.40 to −6.12) | P < 0.001 |
Active maximum interincisal mouth opening (AMIO)
- Male sex associated with higher AMIO; disease duration associated with decreased AMIO
Anterior maximum voluntary bite force (AMVBF)
- AMVBF did not differ between adults with JIA and healthy adults
Original publication
Clinically Established Temporomandibular Involvement in Adults With Juvenile Idiopathic Arthritis. J Rheumatol. Published 1 July 2023. doi:10.
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