Abnormal number of teeth

What it means

The presence of an altered number of of teeth.

Humans usually have 20 primary teeth (also called deciduous teeth) and 32 permanent teeth. This term comprises anomalies with too many or too few teeth.

Rare diseases that can present with this2

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 complement of teeth