Use of fluorescent dyes in dental diagnostic methods

• US 3,309,274 A
• Filed: 07/23/1962
• Issued: 03/14/1967
• Est. Priority Date: 07/23/1962
• Status: Expired due to Term

• Current Assignee: Herbert Brilliant
• Original Assignee: Herbert Brilliant
• Inventors: Brilliant, Herbert
• Application Number:
  US04/211,874
• Time in Patent Office: 1,695 Days
• US Class Current: 424/9.6
• CPC Class Codes: A61B 10/00 Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis vaccination prophylaxis, vaccination therapy A61B17/20; Sex determination; Ovulation-period determination menstruation tables G06C3/00; Throat striking implements
• CPC Class Codes: A61K 2800/434 Luminescent, Fluorescent; Optical brighteners; Photosensitizers
• CPC Class Codes: A61K 8/466 containing sulfonic acid derivatives; Salts
• CPC Class Codes: A61K 8/498 having 6-membered rings or their condensed derivatives, e.g. coumarin
• CPC Class Codes: A61Q 11/00 Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
• CPC Class Codes: G01N 31/22 using chemical indicators G01N31/02 takes precedence
• CPC Class Codes: Y10S 273/24 Luminescent, phosphorescent

Claims

1. A METHOD OF MAKING VISIBLE TO THE NAKED EYE THE PRESENCE OF DISEASE-CAUSING FOREIGN MATTER IN THE ORAL CAVITY OF A LIVING HUMAN BEING, COMPRISING, APPLYING A COMPOSITION CONTAINING A NON-TOXIC, PHARMACEUTICALLY ACCEPTABLE FLUORESCENT DYE TO THE AREAS SUSPECTED OF HAVING DISEASE-CAUSING FOREIGN MATTER AND TO THE AREAS ADJACENT THERETO HAVING RELATIVELY NO SUCH FOREIGN MATTER, AND BATHING BOTH AREAS IN LIGHT WHOSE WAVE LENGHT HAS A FREQUENCY WITHIN THE RANGE OF BETWEEN ABOUT 3000 AND 5200 ANGSTROM UNITS, WHEREBY THE TWO AREAS ARE SHARPLY DELINEATED AS THE ONE OF SAID AREAS WHICH CONTAINS THE FOREIGN MATTER IS CAUSED TO GLOW WITH THE COLOR OF THE FLUORESCENT DYE WHILE THE OTHER REMAINS SUBSTANTIALLY UN-ILLUMINATED.