<SUBMISSION>
<ACCESSION-NUMBER>0001019687-04-001973
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20040831
<FILING-DATE>20040902
<DATE-OF-FILING-DATE-CHANGE>20040902
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Crocker William C
<CIK>0001302090
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-31152
<FILM-NUMBER>041015070
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>(972) 850-0780
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>14114 DALLAS PARKWAY STE 600
<CITY>DALLAS
<STATE>TX
<ZIP>75254
</MAIL-ADDRESS>
</REPORTING-OWNER>
<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>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-08-31</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001302090</rptOwnerCik>
            <rptOwnerName>Crocker William C</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>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Sr. Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-08-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>200000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>200000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The Reporting Person was issued 200,000 shares of the Issuer's common stock pursuant to the terms of the Agreement and Plan of Reorganization by and among the Issuer, CRDE Corp., AHHC Acquisition Corporation and Arizona Home Health Care/Private Duty, Inc., dated August 26, 2004.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>William C. Crocker</signatureName>
        <signatureDate>2004-08-31</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
