Persistence of the primary teeth beyond the age by which they normally are shed and replaced by the permanent teeth.
Comment:
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.
Synonyms:
exact_synonym:
Deciduous teeth retention; Delayed loss of baby teeth; 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; Persistent primary dentition; Persistent primary teeth; Retained baby teeth; Retained deciduous teeth; Retained primary teeth