HENRY SCHEIN, INC.

Exhibit 10.2

XXXXX XXXXXX, INC.

August 13, 2010

Xx. Xxxxx X. Xxxxxx
Chief Executive Officer Biolase
Technology, Inc. 0
Xxxxxxxx
Xxxxxx, Xxxxxxxxxx 00000

Dear Xx. Xxxxxx:

Reference is made to the letter agreement between Xxxxx Xxxxxx, Inc. (“HSIC”) and Biolase Technology, Inc. (“Biolase”), dated as of March 9, 2010 (the “March Letter Agreement”).

Effective on August 17, 2010, Section 4 of the March Letter Agreement is hereby amended by deleting the reference therein to “60 days advance written notice” and replacing it with “45 days’ advance written notice.”

Please acknowledge your agreement to the foregoing by executing a counterpart of this letter agreement.

Sincerely,

XXXXX XXXXXX, INC.

By:	/s/ Xxxxx X. Xxxxxx
	Xxxxx X. Xxxxxx
	Vice President, Strategic and Business Planning

BIOLASE TECHNOLOGY, INC.

By:	/s/ Xxxxx X. Xxxxxx
	Xxxxx X. Xxxxxx
	Chief Financial Officer