EP 1001713 A1 20000524 - ROOT-CANAL INSTRUMENT
Title (en)
ROOT-CANAL INSTRUMENT
Title (de)
ZAHNWURZELKANALINSTRUMENT
Title (fr)
INSTRUMENT POUR CANAL RADICULAIRE DENTAIRE
Publication
Application
Priority
- DE 19825299 A 19980605
- EP 9903773 W 19990531
Abstract (en)
[origin: DE19825299C1] Dental root canal instruments comprise a top part and an associated instrument part, in which the instrument part is coated over at least part of its length with a wear-resistant coating. An Independent claim is included for the materials used for the wear-resistant coating which are selected from carbon and carbon compounds; Ti, Ti nitride and Ti compounds; Si and Si compounds; silicones and silicone compounds; Ti-Al nitride; amorphous boron carbide; and Cr and its compounds. The tool base is made e.g. of stainless steel, Ni-Ti alloy or other special alloy.
IPC 1-7
IPC 8 full level
CPC (source: EP US)
A61C 5/42 (2017.01 - EP US); A61C 2201/002 (2013.01 - EP US)
Citation (search report)
See references of WO 9963902A1
Designated contracting state (EPC)
CH DE FR LI SE
DOCDB simple family (publication)
DE 19825299 C1 19991125; EP 1001713 A1 20000524; JP 2002517274 A 20020618; US 6234796 B1 20010522; WO 9963902 A1 19991216
DOCDB simple family (application)
DE 19825299 A 19980605; EP 9903773 W 19990531; EP 99927816 A 19990531; JP 2000552978 A 19990531; US 49775900 A 20000204