<PAGE>
EXHIBIT 23.1
CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS
We have issued our report, dated February 11, 2000, accompanying the financial
statements and schedule included in the Annual Report of Ortec International,
Inc. (a development stage enterprise) on Form 10-K for the year ended December
31, 1999, which are incorporated by reference in this Registration Statement. We
consent to the incorporation by reference in the Registration Statement of the
aforementioned report and to the use of our name as it appears under the caption
"Experts".
GRANT THORNTON LLP
New York, New York
July 31, 2000
