 They also proposed that calcification of multiple degenerative foci within the papillae reduce the growth and eventually leads to pulpal obliteration.Wesley et al., suggested that odontoblasts with abnormal function and/ or differentiation are mainly due to atypical interaction between odontoblasts and ameloblasts.Histopathologically, deeper layer of the teeth shows abnormal dentine tubular pattern with unstructured, unorganised, atubular areas with normal enamel appearance.