<SUBMISSION>
<ACCESSION-NUMBER>0001104659-06-013784
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20060301
<FILING-DATE>20060303
<DATE-OF-FILING-DATE-CHANGE>20060303
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>CRDENTIA CORP
<CIK>0001073857
<ASSIGNED-SIC>7361
<IRS-NUMBER>760585701
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>14114 DALLAS PARKWAY
<STREET2>SUITE 600
<CITY>DALLAS
<STATE>TX
<ZIP>75254
<PHONE>972-850-0780
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>14114 DALLAS PARKWAY
<STREET2>SUITE 600
<CITY>DALLAS
<STATE>TX
<ZIP>75254
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>LIFEN INC
<DATE-CHANGED>20001115
</FORMER-COMPANY>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>DIGIVISION INTERNATIONAL LTD
<DATE-CHANGED>20001005
</FORMER-COMPANY>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>DURHAM JAMES D
<CIK>0001031297
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-31152
<FILM-NUMBER>06662433
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>415-543-1535
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>455 MARKET STREET
<STREET2>SUITE 1220
<CITY>SAN FRANCISCO
<STATE>CA
<ZIP>94105
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-03-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001073857</issuerCik>
        <issuerName>CRDENTIA CORP</issuerName>
        <issuerTradingSymbol>CRDE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001031297</rptOwnerCik>
            <rptOwnerName>DURHAM JAMES D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>14114 DALLAS PARKWAY, SUITE 600</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75254</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman of Board CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-03-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>13543</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <valueOwnedFollowingTransaction>
                    <value>478058</value>
                </valueOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Durham Properties, LLC</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Common Stock dividend on Series C Preferred Stock.</footnote>
        <footnote id="F2">Not applicable.</footnote>
        <footnote id="F3">The Reporting Person is the managing member of Durham Properties, LLC.  The Reporting Person disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in the named entity, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or any other purpose.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ James D. Durham</signatureName>
        <signatureDate>2006-03-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
