November 21, 1997 Securities and Exchange Commission 450 Fifth Street, N.W. Washington, D.C. 20549 Ladies and Gentlemen: Gentle Dental Service Company ----------------------------- We have read Item 4 of Gentle Dental Service Corporation's Form 8-K dated November 21, 1997 and are in agreement with the statements contained in the first paragraph therein. Yours very truly, PRICE WATERHOUSE LLP Price Waterhouse LLP