Disturbances in tooth formation

**Inclusion terms:** - Aplasia and hypoplasia of cementum - Dilaceration of tooth - Enamel hypoplasia (neonatal) (postnatal) (prenatal) - Regional odontodysplasia - Turner's tooth

**Excludes1:** - Hutchinson's teeth and mulberry molars in congenital syphilis (A50.5)

**Excludes2:** - mottled teeth (K00.3)