TAMPA, Fla.--(BUSINESS WIRE)--Oragenics, Inc., (OTCBB: ORNI) www.oragenics.com today announced that its board of directors has approved a 1-for-20 reverse stock split and that the Financial Industry Regulatory Authority (“FINRA”) has cleared the reverse stock split to become effective with the opening of trading on Tuesday, September 28, 2010 (the “effective time”). The company’s common shares will continue to trade on the OTC Bulletin Board and will begin trading on a split-adjusted basis at the opening of trading on Tuesday, September 28, 2010.