Cause of DI is unclear. However, there are several theories: *Infection *Trauma *Growth pressure of the dental arches during odontogenesis *Rapid proliferation of the internal enamel epithelium invades the underlying dental papilla
Dens invaginatus
Dens evaginatus
Vesical tenesmus
Caput medusae
Corpora arenacea
Torus palatinus
Genu recurvatum
Pinguecula