Effect of 940 nm Low-level Laser Therapy on Treatment of Patients with Tempromandibular Joint Disorders

Effect of 940 nm LLLT on TMD treatment

Clinical trial with control group, parallel groups, three blinded, randomized, phase 2 on 34 patients. The Rand function of Excel 2010 software was used for randomization.

In this three-blind randomized clinical trial, 34 patients with symptoms of TMD will be randomly divided into intervention and placebo groups (n = 17). In the intervention group, 940 nm laser by Epic X biolase laser device (CA, USA) in a specialized light and laser clinic, with an output power of 300 mW with energy density of 2.5 J / cm2, in direct contact technique to the TMJ area for 20 seconds , Twice a week for 4 weeks.The groups will be evaluated in terms of pain intensity, rate of mouth opening, deviation during mouth opening and clicking sound.

Intrusion criteria: limited mouth opening or function presence of pain in masticatory muscles and/or TMJs, either in clenching or in jaw movements (TMD muscular disturbance or arthralgia. Exclusion criteria: patients who had major systemic disorders patients who received analgesic or anti-depressant over the last 2 weeks patients who had any bony abnormalities of the jaws such as arthropathy of the TMJ or rheumatoid arthritis Patients with psychological illness patients who received any form of treatment for TMD within the last month pregnant and feeding patients.

Intervention group: This group will be exposed to 940 nm laser with a power of 300 mW and to the temporomandibular joint area for 20 seconds two sessions per week for four weeks. In the same way, the placebo group will be exposed to Palsbo laser (device with laser off).

Patient satisfaction,Intensity of pain,The amount of mouth opening,Clicking sound,Deviation when opening the mouth

Patients will be randomly divided into two groups A and B, using Microsoft Excel software. In this way, for each new patient, an integer is randomly assigned from 1 to 34, and then in the software, each of these numbers will be randomly entered into one of the groups A or B.

Patients، Researcher and Statist are blinded of sample assignment.Patients in both groups will not be aware of the effect of the laser. The Principal Investigator and statist do not know the nature of groups A and B. The examiner in charge of patient care is not aware of the type of patient grouping.

34 patients referred to the diagnostic department of Alborz Dental Clinic who have signs and symptoms related to Tempromandibular Joint Disorders will be used in the study.

4 month

Researchesr

Confidential

Researchers

Permission from the Ethics Committee