D2I2.
genetic

Dentinogenesis imperfecta

Dentinogenesis imperfecta (DI) is a disorder of tooth development. It is inherited in an pattern, as a result of on 4q21, in the dentine sialophosphoprotein gene (DSPP). It is one of the most frequently occurring autosomal dominant features in humans. Dentinogenesis imperfecta affects an estimated 1 in 6,000-8,000 people.

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Plain-language summary adapted from Wikipedia. Not medical advice.