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:
Jan. 25, 1994
Filed:
Mar. 16, 1992
Applicant:
Inventor:
Kenneth Kowalyk, Hilton Head Island, SC (US);
Assignee:
Medical Laser Technology, Inc., Hilton Head Island, SC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61C / ; A61B / ;
U.S. Cl.
CPC ...
433215 ; 606 10 ; 606 13 ; 606 16 ;
Abstract
A dental laser apparatus and method is disclosed for removing tooth decay. A substance which selectively attaches to tooth decay is applied to the tooth. This substance has a predetermined absorption band. A laser having an output wavelength which corresponds to the absorption band is supplied and is absorbed primarily by the decayed portions of the tooth. The use of Acid Red 52 dye as the substance and a frequency doubled Nd:YAG laser as the source is disclosed as one embodiment.