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OBJECTIVES: Involvement of the temporomandibular joint (TMJ) is common in juvenile idiopathic arthritis (JIA). TMJ arthritis can lead to orofacial symptoms, dysfunction and dentofacial deformity with negative impact on quality of life. Management involves interdisciplinary collaboration. No current recommendations exist to guide clinical management. OBJECTIVES: 1) To develop consensus-based interdisciplinary recommendations for management of orofacial manifestations of JIA. 2) To create a future research agenda related to management of TMJ arthritis in children with JIA. METHODS: The recommendations were developed using online surveying of relevant stakeholders, systematic literature review, evidence-informed generation of recommendations during two consensus-meetings, and Delphi study iterations involving external experts. The process included disciplines involved in the care of orofacial manifestations of JIA: Pediatric rheumatology, radiology, orthodontics, oral and maxillofacial surgery, orofacial pain specialists and pediatric dentistry. Recommendations were accepted if agreement was >80% during a final Delphi study. RESULTS: Three overarching management principles and 12 recommendations for interdisciplinary management of orofacial manifestations of JIA were outlined. The 12 recommendations pertained to: diagnosis (n=4), treatment of TMJ arthritis (active TMJ inflammation) (n=2), treatment of TMJ dysfunction and symptoms (n=3), treatment of arthritis-related dentofacial deformity (n=2), and other related aspects to JIA (n=1). Additionally, a future interdisciplinary research agenda was developed. CONCLUSIONS: These are the first interdisciplinary recommendations to guide clinical management of TMJ JIA. The 3 overarching principles and 12 recommendations fill an important gap in current clinical practice. They emphasize the importance of an interdisciplinary approach to diagnosis and management of orofacial manifestations of JIA. This article is protected by

OBJECTIVES: Involvement of the temporomandibular joint (TMJ) is common in juvenile idiopathic arthritis (JIA). TMJ arthritis can lead to orofacial symptoms, dysfunction and dentofacial deformity with negative impact on quality of life. Management involves interdisciplinary collaboration. No current recommendations exist to guide clinical management. OBJECTIVES: 1) To develop consensus-based interdisciplinary recommendations for management of orofacial manifestations of JIA. 2) To create a future research agenda related to management of TMJ arthritis in children with JIA. METHODS: The recommendations were developed using online surveying of relevant stakeholders, systematic literature review, evidence-informed generation of recommendations during two consensus-meetings, and Delphi study iterations involving external experts. The process included disciplines involved in the care of orofacial manifestations of JIA: Pediatric rheumatology, radiology, orthodontics, oral and maxillofacial surgery, orofacial pain specialists and pediatric dentistry. Recommendations were accepted if agreement was >80% during a final Delphi study. RESULTS: Three overarching management principles and 12 recommendations for interdisciplinary management of orofacial manifestations of JIA were outlined. The 12 recommendations pertained to: diagnosis (n=4), treatment of TMJ arthritis (active TMJ inflammation) (n=2), treatment of TMJ dysfunction and symptoms (n=3), treatment of arthritis-related dentofacial deformity (n=2), and other related aspects to JIA (n=1). Additionally, a future interdisciplinary research agenda was developed. CONCLUSIONS: These are the first interdisciplinary recommendations to guide clinical management of TMJ JIA. The 3 overarching principles and 12 recommendations fill an important gap in current clinical practice. They emphasize the importance of an interdisciplinary approach to diagnosis and management of orofacial manifestations of JIA. This article is protected by

Reciprocal interactions between host T helper cells and gut microbiota enforce local immunological tolerance and modulate extra-intestinal immunity. However, our understanding of antigen-specific tolerance to the microbiome is limited. Here, we developed a systematic approach to predict HLA class-II-specific epitopes using the humanized bacteria-originated T cell antigen (hBOTA) algorithm. We identified a diverse set of microbiome epitopes spanning all major taxa that are compatible with presentation by multiple HLA-II alleles. In particular, we uncovered an immunodominant epitope from the TonB-dependent receptor SusC that was universally recognized and ubiquitous among Bacteroidales. In healthy human subjects, SusC-reactive T cell responses were characterized by IL-10-dominant cytokine profiles, whereas in patients with active Crohn's disease, responses were associated with elevated IL-17A. Our results highlight the potential of targeted antigen discovery within the microbiome to reveal principles of tolerance and functional transitions during inflammation.

Aim: To investigate whether infant cleft dimensions, in a surgical protocol with early or delayed hard palate closure, influence occlusion before orthodontics.less thanbr /greater thanDesign: Subgroup analysis within a randomized trial of primary surgery (Scandcleft).less thanbr /greater thanSetting: Tertiary health care. One surgical centre.less thanbr /greater thanPatients and Methods: A total of 122 unilateral cleft lip and palate infants received primary cheilo-rhinoplasty and soft palate closure at age 4 months and were randomized for hard palate closure at age 12 versus 36 months. A novel 3D analysis of cleft size and morphology was performed on digitized presurgical models. Occlusion was scored on 8-year models using the modified Huddarth-Bodenham (MHB) Index and the Goslon Yardstick.less thanbr /greater thanMain Outcome Measurements: Differences in MHB and Goslon scores among the 2 surgical groups adjusted for cleft size.less thanbr /greater thanResults: The crude analysis showed no difference between the 2 surgical groups in Goslon scores but a better MHB (P = .006) for the group who received delayed hard palate closure. When adjusting for the ratio between cleft surface and palatal surface (3D Infant Cleft Severity Ratio) and for posterior cleft dimensions at tuberosity level, the delayed hard palate closure group received 3.65 points better for MHB (confidence interval: 1.81; 5.48; P less than .001) and showed a trend for reduced risk of receiving a Goslon of 4 or 5 (P = .052). For posterior clefts larger than 9 mm, the Goslon score was better in the delayed hard palate closure group (P = .033).less thanbr /greater thanConclusions: Seen from an orthodontic perspective, when the soft palate is closed first, and the cleft is large, the timing of hard palate closure should be planned in relation to posterior cleft size., Funding agencies: Region Central Denmark (Region Midt Jylland Sundhedsvidenskabelige Forskningsfond); Danish Dental Association (TandlaegeforeningFORSKU)