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(11)

EP 1 796 740 A1

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(43) Date of publication: 20.06.2007 Bulletin 2007/25 (21) Application number: 05806399.1 (22) Date of filing: 29.09.2005

(51) International Patent Classification (IPC):  A61L 2/07(2006.01) A61C 19/00(2006.01) A61L 2/26(2006.01) (86) International application number: PCT/US2005/035222 (87) International publication number: WO 2006/039509 (13.04.2006 Gazette 2006/15)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 30.09.2004 US 614820 P (71) Applicant: DENTSPLY INTERNATIONAL, INC. York, PA 17405-0872 (US)	(72) Inventors: NOVAK, Eugene, J. Deerfield, IL 60015 (US) PATEL, Amit Algonquin, IL 60102 (US) BRENNAN, Kevin, Rogers Arlington Heights, IL 60004 (US) (74) Representative: Blodig, Wolfgang  Wächtershäuser & Hartz Patentanwälte Weinstraße 8 D-80333 München D-80333 München (DE)