EXHIBIT 23.3

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

     We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated July 15, 2005 relating to the consolidated financial statements and financial statement schedule which appear in BIOLASE Technology, Inc.’s Annual Report on Form 10-K for the year ended December 31, 2006. 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 26, 2007