Temporomandibular disorders (TMD) are a group of musculoskeletal and neuromuscular conditions that involve the temporomandibular joints, the masticatory muscles, and all associated tissues. These disorders are characterized by regional pain and limitation of mandibular range of motion. Pain-related TMD affects approximately 5% to 12% of the population and can affect individual's quality of life. The incidence is about 4 percent. Therapeutic ultrasound is a type of physical therapy that delivers energy via propagation of ultrasonic waves. One gap in knowledge is whether 1 megahertz (MHz) treating frequency has the same efficacy as treating with 3 MHz. This research proposes to test that.
See brief summary.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
25
A commercially available ultrasound machine will provide 5 minutes of ultrasound at 0.4 watt/cm\^2 and 100% duty cycle sequentially to each masseter muscle.
School of Dental Medicine
Buffalo, New York, United States
Reduction in masseter pain by visual analog pain scale.
Reduction in masseter pain as measured on a visual analog scale (VAS). The VAS runs from 0 (no pain at all) to 100 (worst pain imaginable).
Time frame: Baseline to fifth week.
Reduction in masseter pain by pressure pain threshold.
Reduction in masseter pain as measured with the pressure pain threshold (VAS). The VAS runs from 0 (no pain at all) to 100 (worst pain imaginable)..
Time frame: Baseline to fifth week.
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