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Expression of putative markers of odontoblastic differentiation by DPSC cells. DPSC were cultured in Puramatrix™ only, or Puramatrix™ casted within a human tooth slice. RT-PCR was used to evaluated the expression of DMP-1 and DSPP after 21 days in culture. Primary human odontoblasts scrapped from extracted teeth were used as positive controls for DMP-1 and DSPP.
