Anatomy & Histology · single question
A patient with bruxism reports facial pain. Which muscle is most commonly responsible for bruxism-related pain?
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Correct answer: D. Masseter
- A. The medial pterygoid can be involved in bruxism but is not the primary muscle associated with pain in bruxism.
- B. The lateral pterygoid is the opening muscle and can be involved in TMJ dysfunction but is not the primary bruxism pain source.
- C. The buccinator is not a masticatory muscle and is NOT affected in bruxism.
- D. Correct. The masseter is the primary muscle affected in bruxism. It is the strongest masticatory muscle and the most common source of myofascial pain in bruxism patients.
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