Pathology · single question
TMJ crepitus (a grating/crackling sound on movement) is most associated with which condition?
Show answer and explanation
Correct answer: B. Osteoarthritis (degenerative joint disease of the condyle/articular surfaces)
Crepitus reflects irregular, roughened articular surfaces rubbing together and is the classic auscultation/palpation finding of degenerative joint disease (osteoarthritis) of the TMJ, as opposed to the clicking/popping more typical of disc displacement.