The results of the current study showed that active HPV infection was present in the odontogenic epithelium of KCOT, and it was associated with increased proliferation rate and COX-2 expression.
Co-cultured KCOT fibroblasts (KF) and HIOECs, respectively, expressed more COX-2 mRNA than the co-cultured gingival fibroblasts (GF) and HIOECs (P < 0.05).