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1. WO1997014373 - HARDENING PROCESS FOR ULTRASONIC DENTAL SURGICAL TIPS

Publication Number WO/1997/014373
Publication Date 24.04.1997
International Application No. PCT/US1996/015332
International Filing Date 25.09.1996
Chapter 2 Demand Filed 20.05.1997
IPC
A61C 3/03 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
3Dental tools or instruments
02Tooth drilling or cutting instruments; Instruments acting like a sandblast machine
03Instruments operated by vibration
A61C 17/20 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
17Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
16Power-driven cleaning or polishing devices
20using ultrasonics
CPC
A61C 17/20
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
17Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses
16Power-driven cleaning or polishing devices
20using ultrasonics
A61C 3/03
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
3Dental tools or instruments
02Tooth drilling or cutting instruments; Instruments acting like a sandblast machine
03Instruments operated by vibration
Applicants
  • HICKOK, Teresa, R. [US]/[US]
  • MARTIN, Claude, E. [US]/[US]
Inventors
  • HICKOK, Teresa, R.
  • MARTIN, Claude, E.
Agents
  • BAKER, Freling, E.
Priority Data
08/546,33620.10.1995US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) HARDENING PROCESS FOR ULTRASONIC DENTAL SURGICAL TIPS
(FR) PROCEDE DE DURCISSEMENT POUR POINTE DE DENTISTERIE A ULTRASONS
Abstract
(EN)
An ultrasonic dental tip that is hardened by a novel process that includes roughing the tip and then applying a metal nitride coating, such as titanium nitride (Ti-N) or zirconium nitride (Zr-N). The roughing is preferably accomplished by sandblasting the tip with a microblaster. Optionally the tip may be heat treated after it has been roughened and prior to being coated in order to further increase its hardness.
(FR)
Une pointe de dentisterie à ultrasons est durcie par un nouveau procédé qui consiste à dégrossir la pointe puis à y appliquer un revêtement en nitrure métallique, tel que le nitrure de titane (Ti-N) ou le nitrure de zirconium (Zr-N). Le dégrossissage s'effectue de préférence par sablage de la pointe à l'aide d'un microsableur. Eventuellement, la pointe peut subir un traitement thermique après avoir été dégrossie et avant de lui appliquer le revêtement afin d'accroître davantage sa dureté.
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