Exhibit 10.2


June 30, 2005



Dr. Robert T. Zahradnik 119 Ashlei Lane Searcy, AK 72143

We are pleased to offer you, Robert T. Zahradnik (the "employee"), employment
with Oragenics, Inc. (the "employer") whereby you will work with executive
management performing various tasks as requested by our Board of Directors. You
will be reporting directly to David Gury, Chairman of the Board of Directors.

Compensation

Your start date will be July 1, 2005 and you will be paid a monthly base salary
of $15,000. This employment arrangement will be "at will" and may terminate upon
30 days written notice by either the employer or employee.

Benefits

Insurance
You are eligible for medical, dental, life insurance benefits on August 1, 2005.
Our current plan is provided by Blue Cross/Blue Shield. We will pay 90% of the
premium for you. A copy of the plan will be provided directly from Blue
Cross/Blue Shield.

Retirement Plan
You are also eligible for the company's Simple Retirement Plan immediately upon
your employment. Under this plan, we will provide a 100% match for every dollar
you invest up to a maximum of 3%. A copy of the plan will be provided under
separate cover.

Holidays
The paid holidays remaining in 2005 are:

         July 4...........................................Independence Day
         September 5......................................Labor Day
         November 24 and 25...............................Thanksgiving Weekend
         December 26......................................Christmas
         December 30......................................New Years

Vacation and Sick Days
You are entitled to twenty (20) paid days per year for vacation and / or
illness. Vacation days are earned at the rate of 1.67 days for each month of
employment and may be carried forward indefinitely.

I hope you find this offer letter meets your expectations. If you have any
questions or require further explanation regarding the above, please contact
Paul Hassie or me.

Sincerely,

/s/ David J. Gury
David J. Gury
Chairman




                                                                    Exhibit 10.2

July 6, 2005



Dr. Robert T. Zahradnik 119 Ashlei Lane Searcy, AK 72143

This letter shall serve as an addendum to our employment letter dated June 30,
2005, and will clarify your role as an employee of Oragenics, Inc.

Effective immediately, you will assume the position of President and Chief
Executive Officer of Oragenics, Inc. as replacement of Mento A. Soponis who is
resigning his position today. Your compensation and all employee benefits as
documented in our letter dated June 30, 2005 will remain the same.

We look forward to your assuming this leadership role and hope for a mutually
rewarding relationship.

Sincerely,

/s/ David J. Gury
David J. Gury
Chairman