BCL2 and odontogenic cyst: It can inhibit apoptosis and extend the survival of several types of cells, which may stimulate the development of PCs and other types of odontogenic cysts.7,10,17,21,22 In this study, comparing the groups showed no difference in Bcl-2 expression according to the type and intensity of inflammatory infiltrates or the type of epithelial lining in the PCs.