Myofascial pain dysfunction syndrome is a:
  1. Nerve disorder
  2. Bone disorder
  3. Joint disorder
  4. Muscular disorder
Explanation
Answer: D - Myofascial pain dysfunction syndrome is a muscular disorder in which the muscles of mastication are affected. It is the most common form of TMJ pain. It is a stress-related disorder characterized by dysfunction, pain, muscle spasms and tension, and teeth clenching. Treatment includes a night guard, passive range of motion exercises, and soft-food diet.
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