Rare diseases · Sign or symptom

Temporomandibular joint crepitus

HP:0012479

What it means

Noises from the temporomandibular joint during mandibular movement (e.g., chewing). Temporomandibular joint crepitus is often described as a clicking, popping, grating sound.

Rare diseases that can present with this1

Sometimes5–29%

1

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Also called: Jaw joint clicking sound · Jaw joint crepitus · Jaw joint grating sound · Jaw joint noise · Jaw joint popping sound · Jaw joint sounds · Temporomandibular joint clicking sound · Temporomandibular joint grating sound

Temporomandibular joint crepitus

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This page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.