Exhibit 23 Consent Of Independent Accountants We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (No's. 333-31023 and 333-58329) and Forms S-8 (No's. 33- 51234, 33-73300 and 333-09093) of BioLase Technology, Inc. of our report, which includes an explanatory paragraph regarding the Company's ability to continue as a going-concern, dated March 17, 2000 relating to the consolidated financial statements and the consolidated financial statement schedule, which appears in this Form 10-K. /s/ PricewaterhouseCoopers LLP PricewaterhouseCoopers LLP Costa Mesa, California April 14, 2000