<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2016-06-06</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001174940</issuerCik>
        <issuerName>ORAGENICS INC</issuerName>
        <issuerTradingSymbol>OGEN.BC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001294887</rptOwnerCik>
            <rptOwnerName>Joslyn Alan</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>4902 EISENHOWER BOULEVARD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>TAMPA</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33634</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO and President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks>* Mr. Mark A. Catchur is signing as Attorney-in-Fact pursuant to power of attorney dated June 6, 2016 granted by the Reporting Person, a copy of which is filed as an exhibit and incorporated herein by reference.</remarks>

    <ownerSignature>
        <signatureName>/s/ Mark A. Catchur as Attorney-In-Fact for Alan Joslyn*</signatureName>
        <signatureDate>2016-06-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
