Rare diseases · Sign or symptom
Abnormal primary tooth morphology
Abnormality of baby teeth
HP:0006481
What it means
Any abnormality of the primary tooth.
Primary teeth are also called temporary teeth or deciduous teeth.
Rare diseases that can present with this6
Sometimes5–29%
5- B4GALT7-related spondylodysplastic Ehlers-Danlos syndrome
- Florid cemento-osseous dysplasia
- Neurodevelopmental disorder-craniofacial dysmorphism-cardiac defect-skeletal anomalies syndrome due to 9q21.3 microdeletion
- Neurodevelopmental disorder-craniofacial dysmorphism-cardiac defect-skeletal anomalies syndrome due to a point mutation
- PURA-related severe neonatal hypotonia-seizures-encephalopathy syndrome due to a point mutation
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: Abnormality of deciduous teeth · Abnormality of milk teeth · Abnormality of primary teeth
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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.