-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 UeYawMKZulzRXltwtxgKtDmCqic5hEholVOUg0Z1wPI2zAoN1pgV5BuomhodwGV3
 OGefWc97oZnE6NB/z/VSuA==

<SEC-DOCUMENT>0001181431-05-001579.txt : 20050105
<SEC-HEADER>0001181431-05-001579.hdr.sgml : 20050105
<ACCEPTANCE-DATETIME>20050105165910
ACCESSION NUMBER:		0001181431-05-001579
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050103
FILED AS OF DATE:		20050105
DATE AS OF CHANGE:		20050105

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SMITH THOMAS W
		CENTRAL INDEX KEY:			0000926688

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13457
		FILM NUMBER:		05513372

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		2036611200

	MAIL ADDRESS:	
		STREET 1:		323 RAILROAD AVENUE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

	FORMER NAME:	
		FORMER CONFORMED NAME:	THOMAS W SMITH
		DATE OF NAME CHANGE:	19940713

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OCA, INC. / DE /
		CENTRAL INDEX KEY:			0000931702
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HEALTH SERVICES [8000]
		IRS NUMBER:				721278948
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3850 N CAUSEWAY BLVD
		STREET 2:		STE 800
		CITY:			METAIRIE
		STATE:			LA
		ZIP:			70002
		BUSINESS PHONE:		504-834-4392

	MAIL ADDRESS:	
		STREET 1:		3850 N CAUSEWAY BLVD
		STREET 2:		STE 800
		CITY:			METAIRIE
		STATE:			LA
		ZIP:			70002

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ORTHODONTIC CENTERS OF AMERICA INC /DE/
		DATE OF NAME CHANGE:	19941020

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PETRA CAPITAL PARTNERS
		CENTRAL INDEX KEY:			0001236423

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13457
		FILM NUMBER:		05513371

	BUSINESS ADDRESS:	
		STREET 1:		323 RAILROAD AVENUE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		2036611200

	MAIL ADDRESS:	
		STREET 1:		323 RAILROAD AVENUE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd63896.xml
<DESCRIPTION>FORM 4 REPORTING LIQUIDATING DISTRIBUTION BY PETRA CAPITAL PARTNERS
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-01-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000931702</issuerCik>
        <issuerName>OCA, INC. / DE /</issuerName>
        <issuerTradingSymbol>OCA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000926688</rptOwnerCik>
            <rptOwnerName>SMITH THOMAS W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>323 RAILROAD AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06830</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Member of Section 13(d) Group</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001236423</rptOwnerCik>
            <rptOwnerName>PETRA CAPITAL PARTNERS</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>323 RAILROAD AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06830</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Member of Section 13(d) Group</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-01-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>65000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Petra Capital Partners</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-01-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>19500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2219500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents a pro-rata in-kind liquidating distribution by Petra Capital Partners (&quot;PCP&quot;), without consideration, in accordance with the terms of the PCP Limited Partnership Agreement.</footnote>
        <footnote id="F2">These shares are owned directly by PCP, a private investment limited partnership, and indirectly by Mr. Smith as general partner of PCP.  Mr. Smith disclaims beneficial ownership of these shares in excess of his pecuniary interest in such shares under Rule 16a-1(a)(2)(ii)(B).  The address for PIP is 323 Railroad Avenue, Greenwich, CT  06830.</footnote>
        <footnote id="F3">Represents a pro-rata in-kind liquidating distribution by PCP, without consideration, in accordance with the terms of the PCP Limited Partnership Agreement. Mr. Smith's acquisition of these shares represents a change in form of beneficial ownership exempt from Section 16 pursuant to Rule 16a-13 thereunder.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Thomas W. Smith, Individually and as General Partner of Petra Capital Partners</signatureName>
        <signatureDate>2005-01-05</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----