Rare diseases · Sign or symptom
Severe periodontitis
HP:0000166
What it means
Increased susceptibility to periodontitis, as manifested by severe periodontal infection with rapid alveolar bone loss, tooth mobility, and premature tooth exfoliation.
Rare diseases that can present with this6
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: Early-onset aggressive periodontitis · Prepubertal periodontitis · Severe aggressive periodontitis · Severe gum disease · Severe periodontal disease · Severe pyorrhea
Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.
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.