Exhibit 99.3 FIRST AMENDMENT TO REGISTRATION RIGHTS AGREEMENT THIS FIRST AMENDMENT TO REGISTRATION RIGHTS AGREEMENT (this "First Amendment") is made this 25th day of September, 2005, by and between SCHICK TECHNOLOGIES, INC., a Delaware corporation...Registration Rights Agreement • September 28th, 2005 • Schick Technologies Inc • X-ray apparatus & tubes & related irradiation apparatus • New York
