ALLONGE TO SECURED PROMISSORY NOTE
                            (Loan No. 000______-001)

     THIS  ALLONGE is made as of the ______ day of March,  1999,  by and between
SCHICK  TECHNOLOGIES,   INC.   ("Borrower")  and  DVI  FINANCIAL  SERVICES  INC.
("Lender").

                                   BACKGROUND

     A. Borrower is duly and justly  indebted to Lender under a certain  Secured
Promissory  Note dated  January  25,  1999,  given by  Borrower to Lender in the
original principal amount of $5,000,000.00 (the "Note").

     B. At Borrower's request,  Lender has agreed to modify certain terms of the
Note in accordance with the terms of this Allonge.

     NOW,  THEREFORE,  the parties hereto,  intending to legally bound, agree as
follows:

     1.  Advances.  All  references  in Section  6(b)(i) of the Note to the date
"April 30, 1999" shall be deleted and replaced with the date "July 30, 1999."

     2.  Effect of  Allonge.  All  terms  and  conditions  of this  Allonge  not
expressly  modified  hereby shall remain in full force and effect and are hereby
ratified and confirmed by the parties hereto. To the extent of any inconsistency
between the terms and conditions of this Allonge and the Note, the terms of this
Allonge shall prevail.

     3. Governing Law. This Allonge is governed by the laws of the  Commonwealth
of Pennsylvania (without giving effect to any principles of conflicts of law).

     IN WITNESS WHEREOF, the parties hereto have executed this Allonge as of the
date first above written.


SCHICK TECHNOLOGIES, INC.               DVI FINANCIAL SERVICES, INC.

By:___________________________          By:___________________________

Name:_________________________          Name:_________________________

Title:________________________          Title:________________________



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