INBDE (Integrated National Board Dental Examination) 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 1180

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

Disc displacement with reduction

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.

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Myofascial pain syndrome

Arthritis

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