Examination of tempro-madibular joints normally consists of:
- A- Single closed mouth view.
- B- Film with mouth opened and closed.
- C- Single opened mouth view.
- D- Films while patient chews gum.
The most accurate answer for the examination of temporomandibular joints (TMJs) is: B. Films with mouth opened and closed.
Here's why the other options are not ideal:
A. Single closed mouth view:
This provides limited information about the joint position and potential problems. It's not sufficient for a comprehensive assessment of the TMJs.
C. Single opened mouth view:
While this offers some information about joint movement, it doesn't capture the full range of motion or potential imbalances.
D. Films while patient chews gum:
This can be a useful additional test in specific situations, but it's not a standard part of the initial TMJ examination. Chewing forces might not accurately replicate all types of TMJ movement and could potentially exaggerate existing issues.
Standard TMJ Examination:
Therefore, standard TMJ examination typically includes:
- Palpation:
Manual examination of the TMJs for tenderness, swelling, or clicking sounds.
- Range of motion testing:
Assessing the patient's ability to open and close their mouth comfortably and smoothly in various directions.
- X-rays:
Taking radiographs with the mouth both closed and open to visualize the TMJ structures, their alignment, and potential abnormalities.
The specific X-ray views used may vary depending on the suspected problem and the dentist's preference. However, capturing both open and closed mouth positions is essential for a complete picture of the TMJ joint dynamics and potential issues.
Remember, proper diagnosis and treatment of TMJ disorders require a comprehensive evaluation, including clinical examination, imaging, and patient history. Consult with a qualified dentist or TMJ specialist if you experience any TMJ-related symptoms like pain, clicking sounds, or difficulty chewing.
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