The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 06, 1994
Filed:
Aug. 20, 1993
Applicant:
Inventors:
Steven R Jefferies, Milford, DE (US);
Roy L Smith, Milford, DE (US);
Russell D Green, Newark, DE (US);
Assignee:
Dentsply Research & Development Corp., Milford, DE (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24D / ;
U.S. Cl.
CPC ...
451532 ; 451537 ; 451526 ; 451490 ; 451533 ;
Abstract
The invention relates to a polishing element for use in a system and apparatus and a method for finishing and polishing a dental composite restorative material in a tooth. The system of the invention uses an elastomeric polymer disc which is impregnated with an abrasive for reduction of the composite, and an element for polishing the composite as well as the dental materials. A method of using the above apparatus in a finishing/polishing system is also provided.