In the nucleus DMP1 might play an important role in the regulation of genes that control osteoblast or odontoblast differentiation.    From Wordnik.com.  [Journal of Biological Chemistry current issue] Reference

In this way the entire thickness of the dentin is developed, each canaliculus being completed throughout its whole length by a single odontoblast.    From Wordnik.com.  [XI. Splanchnology. 2a. The Mouth] Reference