Patents Assigned to River Valley Endodontics, P.A.
  • Dental root canal filling, retrofilling, and perforation repair material
    Patent number: 6197846
    Abstract: The present invention is an endodontic sealer paste and an endodontic core material for root canal filling, retrofilling, and perforation repair. The endodontic sealer paste contains a dry poly(carboxylic acid), zinc oxide, and an aliphatic acid. The endodontic core material contains a pliant polymer, a dry poly(carboxylic acid), and zinc oxide.
    Type: Grant
    Filed: October 5, 1999
    Date of Patent: March 6, 2001
    Assignee: River Valley Endodontics, P.A.
    Inventors: Edward C. Combe, Ernest S. Reeh
  • Dental root canal filling, retrofilling, and perforation repair materials
    Patent number: 6028125
    Abstract: The present invention is an endodontic sealer paste and an endodontic core material for root canal filling, retrofilling, and perforation repair. The endodontic sealer paste contains a dry poly(carboxylic acid), zinc oxide, and an aliphatic acid. The endodontic core material contains a pliant polymer, a dry poly(carboxylic acid), and zinc oxide.
    Type: Grant
    Filed: June 10, 1998
    Date of Patent: February 22, 2000
    Assignee: River Valley Endodontics, P.A.
    Inventors: Edward C. Combe, Ernest S. Reeh