-----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,
 VtUgygmQuU8ZhFVpu3ieo6gRlQfzEIyIPsvx6jA6sMyexepc9LYqlxlecdof+Kq/
 QeB1H1n8DKfuR+wrqJk9Lg==

<SEC-DOCUMENT>0001207981-04-000003.txt : 20040929
<SEC-HEADER>0001207981-04-000003.hdr.sgml : 20040929
<ACCEPTANCE-DATETIME>20040929102339
ACCESSION NUMBER:		0001207981-04-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040401
FILED AS OF DATE:		20040929
DATE AS OF CHANGE:		20040929

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SEPULVEDA ELOY V
		CENTRAL INDEX KEY:			0001207981

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23092
		FILM NUMBER:		041051406

	MAIL ADDRESS:	
		STREET 1:		NATIONAL DENTEX CORP
		STREET 2:		526 BOSTON POST RD
		CITY:			WAYLAND
		STATE:			MA
		ZIP:			01778

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NATIONAL DENTEX CORP /MA/
		CENTRAL INDEX KEY:			0000913616
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HEALTH SERVICES [8000]
		IRS NUMBER:				042762050
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		526 BOSTON POST ROAD
		CITY:			WAYLAND
		STATE:			MA
		ZIP:			01778
		BUSINESS PHONE:		5083584422

	MAIL ADDRESS:	
		STREET 1:		526 BOSTON POST ROAD
		CITY:			WAYLAND
		STATE:			MA
		ZIP:			01778
</SEC-HEADER>
<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>2004-04-01</periodOfReport>

    <issuer>
        <issuerCik>0000913616</issuerCik>
        <issuerName>NATIONAL DENTEX CORP /MA/</issuerName>
        <issuerTradingSymbol>NADX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001207981</rptOwnerCik>
            <rptOwnerName>SEPULVEDA ELOY V</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5902 JIM STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77092</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Group Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock $.01 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2004-04-01</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2004-04-01</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>393</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>19.30</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3012</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Richard F. Becker, Jr.Attorney in Fact</signatureName>
        <signatureDate>2004-09-29</signatureDate>
    </ownerSignature>
</ownershipDocument>

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