Rare diseases · Sign or symptom

Abnormality of dental eruption

Abnormality of tooth eruption

HP:0006292

What it means

An abnormality of tooth eruption.

The average ages for eruption of the primary teeth are: 6 months: lower central incisor, 7 months: upper central incisor, 8 months: upper lateral incisor, 9 months: lower lateral incisor, 12 months first molars, 18 months, canines, 2 years, second molars.

Rare diseases that can present with this3

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: Abnormal dental eruption · Anomaly of dental eruption · Anomaly of tooth eruption · Disorder of dental eruption · Disorder of tooth eruption · Disturbance of dental eruption · Disturbance of tooth eruption

Abnormality of dental eruption

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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.