|
| US5642998 | 6 Jun 1996 | 1 Jul 1997 | | Endodontic instrument for rapid mechanical widening of the canal mouth and specific rectification of the first two thirds |
| US5775904 | 30 Jun 1997 | 7 Jul 1998 | Ultradent Products, Inc. | Endodontic instrument for rapid mechanical widening of the canal mouth and specification of the first two thirds |
| US6042375 | 28 Jan 1998 | 28 Mar 2000 | Ultradent Products, Inc. | Endodontic systems for progressively, sectionally and anatomically preparing root canals with specific instruments for each section having predetermined working lengths |
| US6045362 | 28 Jan 1998 | 4 Apr 2000 | Ultradent Products, Inc. | Endodontic methods for progressively, sectionally and anatomically preparing root canals with specific instruments for each section having predetermined working lengths |
| US6059572 | 3 Jun 1999 | 9 May 2000 | Ultradent Products, Inc. | Endodontic methods for the anatomical, sectional and progressive corono-apical preparation of root canals with three sets of dedicated instruments |
| US6379155 | 27 Mar 2000 | 30 Apr 2002 | Ultradent Products, Inc. | Endodontic systems and methods for the anatomical, sectional and progressive corono-apical preparation of root canals with instruments utilizing stops |
| US6390819 | 3 Jan 2001 | 21 May 2002 | Ultradent Products, Inc. | ENDODONTIC SYSTEMS AND METHODS FOR THE ANATOMICAL, SECTIONAL AND PROGRESSIVE CORONO-APICAL PREPARATION OF ROOT CANALS WITH DEDICATED STAINLESS STEEL INSTRUMENTS AND DEDICATED NICKEL/TITANIUM INSTRUMENTS |
| US6558163 | 3 May 2001 | 6 May 2003 | Ultradent Products, Inc. | Endodontic systems and methods for preparing upper portions of root canals with increasingly rigid files |
| US6585513 | 3 May 2001 | 1 Jul 2003 | Ultradent Products, Inc. | Endodontic systems and methods for preparing apical portions of root canals with a set of files having large tapers |
| US6746245 | 21 Feb 2002 | 8 Jun 2004 | Ultradent Products, Inc. | Methods for cleaning and shaping asymmetrical root canals in an anatomical fashion |