MMP9 and ameloblastoma: Evidence of the differentiating potential of calretinin between a dentigerous cyst, OKC, and ameloblastoma The present findings focus on the differentiating potential of Calretinin in AB and AC.59–61 HGF, c-Met, CK7, CK7, CK7, CK14, CK14, CK14, CK19, MMP9, CK5, CK8, β-catenin, Snail, and EGFR did not show any difference in staining intensity between AB and AC.