Exhibit
23.2
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 3,000,000 shares of its common
stock and to the incorporation by reference therein of our report dated January
28, 2005 with respect to the financial statements of Oragenics, Inc. included
in
its Annual Report (Form 10-KSB) for the year ended December 31, 2005, filed
with
the Securities and Exchange Commission.
/s/
Ernst & Young LLP
Certified
Public Accountants
Tampa,
Florida
March
17,
2006