(19)

(11)

EP 1 113 753 A1

(12)

(43) Date of publication: 11.07.2001 Bulletin 2001/28 (21) Application number: 00913633.4 (22) Date of filing: 25.02.2000

(51) International Patent Classification (IPC)7: A61B 6/14, G03B 42/04 (86) International application number: PCT/US0005/003 (87) International publication number: WO 0049/945 (31.08.2000 Gazette 2000/35)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 26.02.1999 US 121783 P (71) Applicant: Dentsply International, Inc. York, PA 17404-0872 (US)	(72) Inventors: EPPINGER, Hans Arlington Heights, IL 60005 (US) VISAK, Jerry Roselle, IL 60172 (US) (74) Representative: Hartz, Nikolai F., Dr. et al Wächtershäuser & Hartz,Patentanwälte,Tal 29 80331 München 80331 München (DE)