Rare diseases · Sign or symptom
Alveolar ridge overgrowth
Overgrowth of gum ridge
HP:0009085
What it means
Increased width of the alveolar ridges.
This finding may or may not be accompanied by increased height of the alveolar ridge. This is not to be confused with Prominent palatal ridges or gingival overgrowth. This distinction of gingival from alveolar ridge overgrowth may be difficult, especially in milder degrees of the finding.
Rare diseases that can present with this6
Sometimes5–29%
3The 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: Alveolar ridge excess · Enlarged alveolar ridge · Hyperplasia of alveolar process of jaw · Hyperplasia of alveolar ridge · Hypertrophied alveolar ridge · Increased size of alveolar ridge · Increased size of gum ridge · Overgrowth of alveolar ridge
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Start free with EleplanThis 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.