Enamel is usually lost early due to loss of scalloping at the dentoenamel junction (DEJ). However, the teeth are not more susceptible to dental caries than normal ones.
However, certain patients with dentinogenesis imperfecta will suffer from multiple periapical abscesses apparently resulting from pulpal strangulation secondary to pulpal obliteration or from pulp exposure due to extensive coronal wear. They may need apical surgery to save the involved teeth