HOSA Dental Terminology Practice

What sound is associated with crepitis in the context of TMJ?

1. A ringing sound

2. A cracking sound

3. A whistling sound

4. A popping sound

The correct answer is: A cracking sound

Crepitus is a clinical term used to describe a specific sound or sensation that can occur in various contexts, including the temporomandibular joint (TMJ). In the context of TMJ dysfunction, crepitus is typically characterized by a cracking sound during jaw movements, particularly when the jaw opens wide, closes, or moves side to side. This sound is often associated with the irregular movement of the jaw components due to misalignment or wear, making the presence of a cracking sound indicative of potential underlying issues such as cartilage degeneration or joint instability. The nature of crepitus helps dental professionals assess the condition of the TMJ and determine appropriate treatment options for patients experiencing discomfort or dysfunction.