- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03005730
Photobiomodulation In the Masseter and Temporal In Patients With Temporomandibular Joint Dysfunction
Influence of Photobiomodulation In The Masseter and Temporal On Pain, Joint Mobility In Individuals With Temporomandibular Joint Dysfunction: Clinical Trial Randomised, Placebo-Controlled And Double-Blind
Background: According to the International Association for the Study of Pain (IASP), the term temporomandibular disorder (TMD) regards a subgroup of orofacial pain, the symptoms of which include pain or discomfort in the temporomandibular joint, ears, masticatory muscles and neck on one or both sides as well as joint sounds, limited mandibular movements or mandibular deviation and difficulties chewing. Phototherapy, such as low level laser therapy (LLLT) and light-emitting diode (LED) therapy, is one of the resources used to treatment muscle pain. Thus, there is a need to investigate therapeutic resources that combine different wavelengths as well as different light sources (LLLT and LED) in the same apparatus.
Question: The aim of the proposed study is to evaluate the effects of phototherapy on pain, activity of the masticatory muscles (masseter and anterior temporal bilaterally) and joint mobility in individuals with temporomandibular disorder (TMD). A further aim is to determine the cumulative effect 24 and 48 hours after a six session.
Methods/Design: A placebo-controlled, double-blind, randomized, clinical trial will be carried out involving 30 women between 18 and 40 years of age with a diagnosis of myogenous TMD. The participants will then be randomly allocated to two groups totaling 15 individuals per group. Group 1 submitted to a session of phototherapy with 39,27 Joules per point one group will receive placebo therapy (0 Joules). The following assessment tools will be administered on four separate occasions (baseline and immediately after, 24 h after and 48 h after phototherapy). Pain intensity will be assessed using the visual analog scale for pain, meter for range of movement, and electromyographic EMG analysis on the masseter and anterior temporal muscles.
Discussion: The study will support the practice of evidence-based to the use of phototherapy in individuals with a myogenous TMD. Data will be published after the study is completed.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- All volunteers will have a diagnosis of myogenous TMD based on the RDC/TMD with moderate to severe pain in the masseter and temporal muscles rated by an expert dentist. To standardize the sample, the body mass index of all participants must be less than 25 kg/m2, as the amount of adipose tissue between the electrode and surface of the muscle can affect that reading of the electromyographic (EMG) signal. All volunteers must also have an initial pain score greater than 3 points on the VAS.
Exclusion Criteria:
- The exclusion criteria will be missing teeth, the use of dentures, systemic or neuromuscular diseases, a history of trauma to the face or temporomandibular joint, history of temporomandibular joint luxation, currently undergoing orthodontic treatment, or currently undergoing medicinal treatment that can affect the musculoskeletal system (analgesic, anti-inflammatory agent or muscle relaxant).
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Group 1
Submitted to a session of phototherapy with 39,27 Joules per point in muscle masseter and temporal bilateral.
|
The portable PainAway® nine-diode cluster (Multi Radiance Medical®, Solon, OH, USA) will be employed.
This system has one 905 nm laser diode, four 875 nm LED diodes and four 670 nm LED diodes.
The aperture size of device is 4 cm2.
|
Placebo Comparator: Group 2
Submitted to a session of phototherapy placebo with 0,0 Joules per point in muscle masseter and temporal bilateral.
|
The placebo portable.
The aperture size of device is 4 cm2 .
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Visual analog scale
Time Frame: 5 min
|
A Visual analog scale allows the quantification of pain intensity.
This scale consists of a straight line measuring 10 cm in length, with "absence of pain" written at one end and "worst pain ever felt" written at the other end.
The volunteer will be instructed to make a perpendicular line between the two extremes that represents the pain level he/she is feeling at the time
|
5 min
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Range of motion
Time Frame: 10 min
|
We used a Starrett digital caliper ® to assess the breadth of mandibular movement (in mm), that is, the opening of the mouth was measured according to the RDC/TMD, and right and left lateral excursions.
|
10 min
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- PHOTOBIOMODULATION DTM EXT.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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