Laser, Lateral Pterygoid Muscle, Temporomandibular Joint Disorders
Conditions
Keywords
laser therapy, lateral pterygoid muscle, Wilke's, stage I and II, TMD.
Brief summary
The purpose of this study will be to evaluate the effect of laser therapy on lateral pterygoid muscle in patients with Wilke's stage I and II temporomandibular disorders (TMD).
Interventions
In this study patients will receive the Low-level laser therapy with a 635 nm wavelength diode laser (Lasotronix, Diode Laser DiodeLX model SMART M; Zytnia, Piaseczno, Poland) with 200 mW in a continuous mode, using a handpiece with a cylindrical applicator with a diameter of 8 mm in contact mode extra-orally, fiber-optic applicator with a diameter of 8 mm in contact mode intraorally, with a power density of 400 mW/cm2, delivering 10-12 J/cm2 on each application point, over a period of 20 sec. There are two methods for examination of lateral pterygoid muscle: digital palpation and functional manipulation. For digital palpation of lateral pterygoid muscle, we place our index finger or tip of our little finger in the vestibular area adjacent to the maxillary third molar. Functional manipulation of the inferior head of lateral pterygoid muscle: It is best accomplished by having the patient make a protrusive movement against resistance to contract it since this muscle is the primary pro
Sponsors
Study design
Eligibility
Inclusion criteria
1. Patients age between 16-50 years with no sex predilection. 2. Patients who will be free from any systemic diseases that affect temporomandibular joint. 3. Patients who will be diagnosed with wilk's stage I and II temporomandibular disorders (TMD). 4. Patients who will be ready to give informed consent.
Exclusion criteria
1. Patients with previous temporo-mandibular surgeries. 2. Patients with previous facial fracture. 3. Patients who will be under another type of treatment for TMD (e.g., occlusal splints, pharmacological drugs, or head and neck surgery). 4. Patients who will not attend the proposed treatment sessions or follow-up visits.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Pain: will be obtained by Visual analogue scale (VAS). | pain will be measured : 1.day1 before the start of laser therapy, 2.week 1 3. week2 4.week 3 5. week 4 6.one month later 7. 3 months later. | Pain: will be obtained by Visual analogue scale (VAS). |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Mouth opening, lateral protrusive movement: will be obtained by a caliper. | Mouth opening, lateral protrusive movement will be measured : 1.day1 before the start of laser therapy, 2.week 1 3. week2 4.week 3 5. week 4 6.one month later 7. 3 months later. | Mouth opening, lateral protrusive movement: will be obtained by a caliper. |
Other
| Measure | Time frame | Description |
|---|---|---|
| Clicking: will be obtained by Yes or No. | Clicking will be measured : 1.day1 before the start of laser therapy, 2.week 1 3. week2 4.week 3 5. week 4 6.one month later 7.after 3 months. | Clicking: will be obtained by Yes or No. |