Vitamin a Deficiency Affects the Development of the Teeth

Vitamin A deficiency affects the development of the teeth.Which cell type and which structure is usually affected?

A) Ameloblasts producing the enamel
B) Odontoblasts producing the dentin
C) Inner cells of dental papillae, which give rise to the tooth pulp
D) Cells of the enamel knot that determine cusp number
E) Cementoblasts producing cementum in the root