Rare diseases · Sign or symptom
Premature loss of primary teeth
Early loss of baby teeth
HP:0006323
What it means
Loss of the primary (also known as deciduous) teeth before the usual age.
The primary teeth are usually shed and replaced by the permanent teeth, usually by the age of six years. With premature loss of primary teeth, there is a delay between the loss of the primary teeth and the eruption of the permanent teeth.
Rare diseases that can present with this15
Very common80–99%
7Common30–79%
5The 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 loss of deciduous teeth · Early loss of primary teeth · Premature deciduous tooth loss · Premature exfoliation of deciduous teeth · Premature exfoliation of primary teeth · Premature loss of baby teeth · Premature loss of deciduous 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.