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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 AFAyKLBHGVir/MQsZ7iA6g==

<SEC-DOCUMENT>0001385202-07-000001.txt : 20070126
<SEC-HEADER>0001385202-07-000001.hdr.sgml : 20070126
<ACCEPTANCE-DATETIME>20070126102910
ACCESSION NUMBER:		0001385202-07-000001
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070124
FILED AS OF DATE:		20070126
DATE AS OF CHANGE:		20070126

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Green John W
		CENTRAL INDEX KEY:			0001385202

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23092
		FILM NUMBER:		07554880

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		508-358-4422

	MAIL ADDRESS:	
		STREET 1:		NATIONAL DENTEX CORPORATION
		STREET 2:		526 BOSTON POST ROAD
		CITY:			WAYLAND
		STATE:			MA
		ZIP:			01778
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2007-01-24</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001385202</rptOwnerCik>
            <rptOwnerName>Green John W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5399 E. CO HWY.</rptOwnerStreet1>
            <rptOwnerStreet2>30-A #188</rptOwnerStreet2>
            <rptOwnerCity>SEAGROVE BEACH</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>32459</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Exec V. P., Lab Operations</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, $.01 par value</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>John W. Green IV</signatureName>
        <signatureDate>2007-01-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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