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NCT07445516
Chronic temporomandibular disorders (TMDs) affect the masticatory muscles, the temporomandibular joints (TMJs), and associated structures. Except in cases of trauma, their etiology remains uncertain, debated, and multifactorial. Conservative therapies-including no active intervention-often alleviate symptoms; however, approximately 3% of the population develops persistent forms associated with substantial individual suffering and significant social and economic burden. At the Unit of Occlusion and Prosthodontics of the University of Santiago de Compostela (USC), Physiologically Oriented Occlusal Equilibration (POOE) has been used for chronic painful TMDs since 1985. POOE aims to correct unilateral mastication patterns and to establish appropriate non-working side contacts in order to protect the temporomandibular joints from mechanical overload. Singh (Cochrane, 2024) emphasized that occlusal interventions should be evaluated with long-term follow-up of at least 3-5 years. This is a single-blind study: the evaluator remains blinded to treatment allocation during outcome assessment. The aim of this observational study is to assess the long-term effectiveness of POOE treatments for chronic TMDs from 1985 to the present. Treatment effectiveness will be confirmed if the reduction in pain achieved with POOE is statistically significant and clinically meaningful (≥1.5/10 on a 0-10 visual analog scale) compared with sham therapy at ≥3 years post-intervention relative to baseline. Additionally, effectiveness will be supported if the proportion of individuals meeting criteria for chronic TMD ("affected") is lower in the POOE-treated group than in those receiving alternative therapies.
NCT07371195
Upper cervical spine mobility plays a crucial role in temporomandibular joint (TMJ) function. This observational study investigates the relationship between upper cervical spine mobility and TMJ range of motion in patients diagnosed with temporomandibular disorders (TMD). Cervical hypomobility may restrict mandibular movement and contribute to TMJ dysfunction through shared biomechanical and neuromuscular mechanisms.
NCT07022795
Ecological momentary assessment (EMA) interventions via mobile devices can be implemented to monitor an individual's negative health behaviors in real-time, increase awareness, and assist patients in overting those behaviors. In recent years, EMA interventions have been used to improve patients' awareness of specific oral behaviors, such as tooth clenching or awake bruxism, which can produce excessive forces on the muscles of mastication and lead to or exacerbate symptoms of temporomandibular disorders (TMD). Yet, whether EMA interventions are effective in reducing oral behaviors and masticatory muscle activity in the short- and long-term, or whether they are more effective than patient education remains unclear. In this randomized clinical trial, we aim to test the effects of a 1-week EMA intervention combined with structured information on masticatory muscle activity and determine whether a combined approach including an EMA intervention and structured information is more effective in reducing masticatory muscle activity than structured information alone. Our study will have a significant impact on orofacial pain clinical research as it will provide clinically relevant measures which could inform multimodal approaches for the management of painful TMD.
NCT06781138
This study is a randomized clinical trial comparing the effectiveness of conventional stabilization splints versus 3D-designed and printed stabilization splints in treating temporomandibular disorders (TMDs). TMD is a common cause of orofacial pain affecting the jaw joint and surrounding muscles. The trial evaluates outcomes such as pain reduction, clinical improvement, patient satisfaction, and time efficiency. By exploring a fully digital workflow for splint fabrication, this study aims to provide evidence on whether the newer 3D-printed approach offers superior results to conventional methods in terms of clinical effectiveness and procedural efficiency.
NCT06760884
The aim of this study is to examine the temporomandibular joint functions, oral habits and pain complaints of pregnant women. .
NCT06738667
Temporomandibular disorder (TMD) is a common musculoskeletal pain condition affecting the jaw, and acupuncture is often used for treatment, though its neurological mechanisms are unclear. This study investigates the neural mechanisms of acupuncture in TMD using functional MRI (fMRI), structural MRI (sMRI), and diffusion tensor imaging (DTI), alongside machine learning to predict treatment outcomes. This study aims to enhance understanding of acupuncture's effects on TMD and improve personalized treatment approaches.