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Rare diseases · Sign or symptom

Abnormality of the gingiva

Abnormality of the gums

HP:0000168

What it means

Any abnormality of the gingiva (also known as gums).

The gingiva consists of the mucosal tissue that lies over the alveolar bone and around the base of the teeth.

Rare diseases that can present with this10

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

Abnormal oral mucosa morphology

Also called: Gingival abnormality

Abnormality of the gingiva

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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.