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IRCT20260131068714N1 IRCT 2026-06-03 Shahid Beheshti University of Medical Sciences Evaluation of the effectiveness of low level laser therapy (LLLT) on the location of radiation to masticatory muscles and Temporomandibular joint /masticatory and cervical muscles and Temporomandibular joint in the treatment of Temporomandibular disorder patients Evaluation of the effectiveness of low level laser therapy (LLLT) on the location of radiation to masticatory muscles and Temporomandibular joint /masticatory and cervical muscles and Temporomandibular joint in the treatment of Temporomandibular disorder patients 2026-06-03 anticipated 30 Recruiting https://irct.ir/trial/89036 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: Randomization Method: "Participants will be assigned to one of the three study groups using simple randomization based on a random number table." Allocation Concealment: "To ensure allocation concealment, sequentially numbered, opaque, sealed envelopes will be used. These envelopes will be prepared by an individual not involved in the clinical treatment and will only be opened after the participant’s eligibility is confirmed and their informed consent is obtained, indicating their assigned group (Intervention 1, Intervention 2, or Placebo), Blinding description: This study is designed as a double-blind clinical trial. Furthermore, the clinical evaluator (the individual responsible for measuring pain scales and maximum mouth opening) will be kept blind to the group assignments. This trained evaluator will conduct all clinical examinations and data collection without knowledge of whether the patient belongs to the intervention groups (masticatory muscles and TMJ / masticatory, cervical muscles and TMJ) or the placebo group, thereby minimizing potential assessment bias.". 2-3 temporomandibular disorder. Intervention 1: Intervention group: Laser irradiation at the location of the upper, middle, lower and temporal master muscles, including anterior points, and laser irradiation at the Temporomandibular joint, including anterior, superior, lateral, posterior points, and the trapezius muscle. Intervention 2: Intervention group: Laser irradiation at the location of the upper, middle, lower and temporal master muscles, including anterior points, and laser irradiation at the Temporomandibular joint, including anterior, superior, lateral, posterior points. Intervention 3: Control group: In similar conditions to the laser therapy group, only red light and laser warning sound will be used. Yes - There is a plan to make this available What will be shared: A portion of the data, including information on key outcomes, needs to be shared When: Access period starts 3 months after results are published. To whom: It will be available only to researchers working in academic and scientific institutions Conditions: Requests for access to data can be made via email Where to obtain: Via email: vidabadrooj55@gmail.com How to obtain: Depending on the amount of data requested, it will take 6-9 months Comments:
public Vida Badrooj
Tehran, third neyestan Ave,rastvan Ave, number 18
Tehran Iran (Islamic Republic of) 1944965114 +98 21 2661 4752 vidabadrooj55@gmail.com Shahid Beheshti University of Medical Sciences scientific Vida Badrooj
Tehran, third neyestan Ave,rastvan Ave, number 18
Tehran Iran (Islamic Republic of) 1944965114 +98 21 2661 4752 vidabadrooj55@gmail.com Shahid Beheshti University of Medical Sciences Iran (Islamic Republic of) Age between 20 and 50 years diagnosis of TMD based on DC/TMD and RDC/TMD criteria presence of orofacial pain, clicking or limitation of mandibular movement for more than 3 months 20 years 50 years Both Recent facial trauma congenital or developmental jaw disorders recent facial bone fractures systemic musculoskeletal diseases current or previous cancer skin lesions at laser site pregnancy recent TMD treatment within the last month psychiatric disorders complete denture wearers dental or periodontal pain M26.60 Temporomandibular joint disorder, unspecified Treatment - Other Treatment - Devices Treatment - Other Intervention group: Laser irradiation at the location of the upper, middle, lower and temporal master muscles, including anterior points, and laser irradiation at the Temporomandibular joint, including anterior, superior, lateral, posterior points, and the trapezius muscle. Intervention group: Laser irradiation at the location of the upper, middle, lower and temporal master muscles, including anterior points, and laser irradiation at the Temporomandibular joint, including anterior, superior, lateral, posterior points Control group: In similar conditions to the laser therapy group, only red light and laser warning sound will be used. Pain. Timepoint: Before the study, immediately after the laser therapy, and approximately 30 days after the completion of the laser therapy. Method of measurement: visual scale analogue. Amount of mandibular movement. Timepoint: Before the study, immediately after the laser therapy, and approximately 30 days after the completion of the laser therapy. Method of measurement: International Association for Dental Research. Maximum mouth opening. Timepoint: Before the study, immediately after the laser therapy, and approximately 30 days after the completion of the laser therapy. Method of measurement: Distance between upper and lower incisors in two assisted and unassisted modes by ruler. Shahid Beheshti University of Medical Sciences Approved 2026-06-02 Ethics committee of shahid beheshti University of Medical Sciences No 18,Pasdaran,Third Neistan street, Rastovan Street Tehran Tehran Iran (Islamic Republic of)