-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 bUvgIt01M5mQPrypZK4XaA==

<SEC-DOCUMENT>0001019687-05-003267.txt : 20051128
<SEC-HEADER>0001019687-05-003267.hdr.sgml : 20051128
<ACCEPTANCE-DATETIME>20051128172624
ACCESSION NUMBER:		0001019687-05-003267
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20051122
FILED AS OF DATE:		20051128
DATE AS OF CHANGE:		20051128

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PIGNATELLI FEDERICO
		CENTRAL INDEX KEY:			0001270560

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19627
		FILM NUMBER:		051229191

	MAIL ADDRESS:	
		STREET 1:		BIOLESE TECHNOLOGY INC
		STREET 2:		981 CALLE AMANEER
		CITY:			SAN CLEMENTE
		STATE:			CA
		ZIP:			92673

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BIOLASE TECHNOLOGY INC
		CENTRAL INDEX KEY:			0000811240
		STANDARD INDUSTRIAL CLASSIFICATION:	DENTAL EQUIPMENT & SUPPLIES [3843]
		IRS NUMBER:				870442441
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		981 CALLE AMANECER
		CITY:			SAN CLEMENTE
		STATE:			CA
		ZIP:			92673
		BUSINESS PHONE:		7143611200

	MAIL ADDRESS:	
		STREET 1:		981 CALLE AMANECER
		CITY:			SAN CLEMENTE
		STATE:			CA
		ZIP:			92673

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LASER MEDICAL TECHNOLOGY INC
		DATE OF NAME CHANGE:	19941117

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LASER ENDO TECHNIC CORP
		DATE OF NAME CHANGE:	19920708

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PAMPLONA CAPITAL CORP
		DATE OF NAME CHANGE:	19911104
</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>2005-11-22</periodOfReport>

    <issuer>
        <issuerCik>0000811240</issuerCik>
        <issuerName>BIOLASE TECHNOLOGY INC</issuerName>
        <issuerTradingSymbol>BLTI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001270560</rptOwnerCik>
            <rptOwnerName>PIGNATELLI FEDERICO</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>981 CALLE AMANECER</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN CLEMENTE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92673</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-11-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>25000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.9988</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>579750</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-11-23</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>25000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>6.1435</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>604750</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents average purchase price per share.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Federico Pignatelli</signatureName>
        <signatureDate>2005-11-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----