Pathology · single question
Crepitus in the TMJ is most indicative of:
Show answer and explanation
Correct answer: D. Degenerative joint disease (osteoarthritis)
- A. Incorrect – crepitus is pathologic.
- B. Incorrect – muscle disorders cause pain/limited motion, not joint crepitus.
- C. Incorrect – that produces a CLICK/pop, not crepitus.
- D. Correct – a grating crepitus reflects bone-on-bone degenerative changes (osteoarthritis) with disc perforation/flattening.