Exhibit 31.2


I, Michael Sullivan, certify that:


1. I have reviewed this Amendment No. 1 to Annual Report on Form 10-K of Oragenics, Inc.;


2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;


Date: April 27, 2015

/s/ Michael Sullivan

Michael Sullivan, Chief Financial Officer