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Juvenile idiopathic arthritis (JIA) is the most common rheumatic disease in childhood and the temporomandibular joint (TMJ) is often involved. TMJ arthritis in growing individuals can cause deformation of facial skeleton (dentofacial deformity) and TMJ components (TMJ deformity). Treatment outcome hinges on early initiation of anti-inflammatory treatment and orthopaedic treatment with dental splints. The aim of the present study was to characterize the radiological signs of dentofacial deformity in patients with a JIA-induced need for orthopaedic treatment. We retrospectively studied 96 patients with JIA and 20 non-JIA controls to identify the initial radiological signs of JIA-induced dentofacial deformity leading to initiation of orthopaedic treatment. We found that initial radiological signs of dentofacial deformities were subtle and characterized by minor mandibular asymmetry and occlusal plane steepening. Radiological findings of TMJ deformity associated with initial dentofacial deformity were frequent and characterized by condylar articular surface flattening (OR 8.42), condylar subcortical cyst (OR 5.94), condylar surface erosion (OR 5.38) and condylar deviation in form (OR 25.39). Radiological signs of TMJ deformity were also documented in TMJs considered "healthy" during initial clinical and radiological examination. This study presents new knowledge of importance for early diagnosis of dentofacial deformity in JIA. Early diagnosis of dentofacial deformity is important as treatment outcome is greatly influenced by timely initiation.
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http://dx.doi.org/10.1038/s41598-021-92575-4 | DOI Listing |
J Oral Maxillofac Surg
August 2025
Oral and Maxillofacial Surgeon, João XXIII Hospital, Belo Horizonte, Brazil; Residency Program Director, Oral and Maxillofacial Surgery, João XXIII Hospital, Belo Horizonte, Brazil.
Background: Le Fort I osteotomy (LFIO) may lead to nasolabial changes. Therefore, several techniques have been proposed to minimize these effects, including the subspinal osteotomy, which can preserves perinasal structures.
Purpose: The purpose of this study was to compare the associations between conventional and subspinal LFIO and changes in the nasolabial soft tissues.
Sci Rep
August 2025
Dentofacial Deformities Research Center, Research Institute for Dental Sciences, Shahid Beheshti University of Medical Sciences, Danshjoo BLVD, Velenjak, Shahid Chamran Highway, Tehran, 1983963113, Iran.
This study assessed the effects of photobiomodulation therapy (PBMT) with different laser wavelengths on the viability and differentiation of periodontal ligament mesenchymal stem cells (PDLMSCs) exposed to zoledronic acid (ZA). In this in vitro study, PDLMSCs were cultured with 5 µM ZA for 48 h and randomly assigned to 6 groups of positive and negative controls, and PBMT with 635 nm (2 and 4 J/cm) and 980 nm (2 and 4 J/cm) lasers. Cell viability was assessed by the methyl thiazolyl tetrazolium (MTT) assay after 24 and 72 h, and mineralized nodule formation was evaluated by Alizarin red staining.
View Article and Find Full Text PDFMed Oral Patol Oral Cir Bucal
August 2025
Department of Morphology Faculty of Medicine, Federal University of Ceará Delmiro de Farias, 1331- Rodolfo Teófilo Zip code: 60430-170, Fortaleza, CE, Brazil
Background: Le Fort I (LFI) osteotomy represents a secure procedure employed for correcting facial deformities and may be coupled with other facial osteotomies. However, notwithstanding professional proficiency, this technique is not exempt from issues or morbidities. Therefore, the objective of this study was to relate the types of vascular complications associated with LFI.
View Article and Find Full Text PDFJ Imaging Inform Med
August 2025
Department of Orthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Orthognathic surgery is often required to address moderate to severe skeletal class II malocclusion, a condition that affects both facial aesthetics and function. Traditional diagnosis relies on cephalometric radiographs and expert evaluation, which can be time-consuming and subject to inter-observer variability. The need for AI-assisted initial screening based exclusively on lateral soft tissue profiles is increasingly recognized, particularly for identifying mandibular retrusion relative to the maxilla.
View Article and Find Full Text PDFClin Exp Dent Res
August 2025
Department of Radiology, School of Medicine, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Background: Certain dental diseases in pediatric patients may disturb their sleep, affect their oral health-related quality of life, and result in a negative influence on cognition and behavior. On the other hand, sleep disturbances may also increase the risk or participate in development and progression of dental diseases.
Objective: This narrative review aimed to overview of the bidirectional relationship between common dental diseases and sleep disturbances, as well as the potential mechanisms behind.