X0202 4 2006-04-17 0 0001078037 REMEDENT, INC. REMI 0001044321 MARXE AUSTIN W & GREENHOUSE DAVID M C/O SPECIAL SITUATIONS FUNDS 527 MADISON AVENUE, SUITE 2600 NEW YORK NY 10022 0 0 1 0 Common Stock 2006-04-17 4 P 0 23000 2.2 A 3795201 I By Limited Partnerships This is a joint filing by Austin W. Marxe (Marxe) and David M. Greenhouse (Greenhouse). They share voting and investment control over all securities owned by Special Situations Cayman Fund, L.P. (CAY) and Special Situations Private Equity Fund, LP (PE). 461,867 shares of Common Stock are owned by CAY and 1,666,667 shares of Common Stock and 1,666,667 Wts are owned by PE. The interest of Marxe and Greenhouse in the shares of Common Stock and Warrants owned by CAY and PE is limited to the extent of his pecuniary interest. Austin W. Marxe 2006-04-18 David M. Greenhouse 2006-04-18