Effectiveness of Photobiomodulation Alone and 0.5% Nanocurcumin Gel with Photobiomodulation in Treating Myogenous Temporomandibular Disorders: Protocol for a Randomised Clinical Trial

Introduction: Temporomandibular Disorders (TMD) encompass a variety of clinical dysfunctions affecting the Temporomandibular Joint (TMJ), masticatory muscles, and nearby tissues. Pain typically originates from the muscles associated with the functional movements of these structures. Low-level Laser Therapy (LLLT) has been used in TMD patients to control inflammation and disrupt the stress-pain-stress cycle. Curcuma longa is a significant plant in Asia used for medicinal purposes. Curcumin (diferuloylmethane) is a hydrophobic bioactive compound commonly found in the rhizome of C. longa. Considerable attention has been given in recent years to its various pharmacological actions. The available research has shown significant potential in inflammation control, with nanorange preparations of curcumin (Nanocurcumin) enhancing the pharmacological actions and benefits of curcumin, which were not markedly achievable before. Need for the study: The TMDs are among the most common types of disorders associated with orofacial pain. Conditions originating from stress related to the joint often impact the associated muscles, initiating the stress-pain-stress cycle. As TMDs do not have a definitive treatment plan, further research is needed regarding the treatment associated with TMDs. Aim: To assess the effectiveness of photobiomodulation alone and 0.5% nanocurcumin gel with photobiomodulation in treating myogenous TMDs. Methodology: In the present randomised clinical trial, 44 patients with myogenous TMDs will be included. The patients will be divided into two groups: Group A will receive laser applications at the trigger zones, and Group B will receive the application of 0.5% nanocurcumin gel along with laser at the trigger zones. Patients will be assessed for jaw opening, Beck’s Anxiety Inventory, and Visual Analogue Score after four weeks.