Persistence of primary teeth

What it means

Persistence of the primary teeth beyond the age by which they normally are shed and replaced by the permanent teeth.

The primary teeth are usually shed and replaced by the permanent teeth, usually by the age of six years. Persistence of primary teeth may be related to agenesis of the permanent teeth. Molar primary teeth may be persistent because of the agenesis of the premolars.

Rare diseases that can present with this10

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: Deciduous teeth retention · Delayed loss of deciduous teeth · Delayed loss of primary teeth · Failure to exfoliate deciduous teeth · Failure to exfoliate primary teeth · Failure to lose baby teeth · Persistence of deciduous teeth · Persistent deciduous dentition