Exhibit
23.1
Consent
of Independent Registered Public Accounting Firm
We
consent to the reference to our firm under the caption “Experts” in the
Registration Statement (Form S-3 No. 333-______) and the related Prospectus
of
Oragenics, Inc. for the registration of up to 7,205,000 shares of its common
stock and to the incorporation by reference therein of our report dated January
28, 2005 (except Note 11, as to which the date is February 24, 2005) with
respect to the financial statements of Oragenics, Inc. included in its Annual
Report (Form 10-KSB) for the year ended December 31, 2004, filed with the
Securities and Exchange Commission.
/s/
Ernst & Young LLP
Certified
Public Accountants
Tampa,
Florida
January
10, 2006