EXHIBIT 23.1

Consent of Independent Accountants

We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated February 10, 2003 relating to the consolidated financial statements and consolidated financial statement schedule, which appears in BioLase Technology, Inc.’s Annual Report on Form 10-K for the year ended December 31, 2002. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/    PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP

Orange County, California

June 16, 2003