Microdontia is a type of dental anomaly in which teeth are smaller in size than normal. This abnormality can occur in permanent teeth and primary teeth. According to epidemiological studies, the prevalence of microdontia ranges from 1.5 to 2% and occurs more frequently in females than males.

How common is microdontia?

The medical term for atypically small teeth — or teeth that appear to be unusually small — is microdontia. Some people will use the phrase “short teeth” to describe this phenomenon. Microdontia of one or two teeth is common, but microdontia of all teeth is rare.

Is hypodontia a rare disease?

Hypodontia is an inherited condition characterized by developmentally missing teeth, although absent third molars are a “normal” variation and may not be considered to be part of hypodontia. It is very rare in the primary dentition and more common in females than males, with a 3:2 ratio.