INBDE (Integrated National Board Dental Examination) Practice Exam

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Ace your INBDE with our comprehensive practice exam. Featuring detailed explanations, interactive flashcards, and a wide array of multiple-choice questions designed to mirror the real test. Get ready to surpass your expectations!

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Which TMD condition does not involve a clicking sound but can cause the jaw to lock?

Disc displacement with reduction
Disc displacement without reduction
Myofascial pain syndrome
Arthritis

The correct answer is: Disc displacement without reduction

Disc displacement without reduction refers to when the jaw joint is not aligned properly, but there is no noticeable clicking sound. This can lead to difficulty in opening or closing the mouth due to the jaw locking. Option A, disc displacement with reduction, involves clicking or popping sounds when the jaw is moved. Myofascial pain syndrome (C) affects the muscles and soft tissues of the jaw, causing pain and discomfort, but does not involve a locking of the jaw. Arthritis (D) may also cause jaw pain and stiffness, but it is a separate condition and not specifically related to TMD.