<PAGE>
EXHIBIT 23.1
CONSENT OF INDEPENDENT ACCOUNTANTS
We hereby consent to the use in this Registration Statement on Form S-1 of
our report dated August 18, 2000, except as to Note 11, as to which the date
is November 13, 2000 relating to the consolidated financial statements of
Align Technology, Inc., which appears in such Registration Statement. We also
consent to the reference to us under the heading "Experts" in such
Registration Statement.
/s/ PricewaterhouseCoopers LLP
San Jose, California
November 14, 2000