PricewaterhouseCoopers LLP Letterhead

Exhibit 99.1

November 22, 2004

Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549

Commissioners:

We have read the statements made by Orthodontix, Inc. (copy attached), which we understand will be filed with the Commission, pursuant to Item 4.01 of Form 8-K, as part of Orthodontix’s Form 8-K/A report dated November 12, 2004. We agree with the statements concerning our Firm in such Form 8-K/A.

Very truly yours,

/s/ PricewaterhouseCoopers LLP