Patents Assigned to MCG Research Institute, Medical College of Georgia
  • Fluoride-releasing amalgam dental restorative material
    Patent number: 6455609
    Abstract: A fluoride-releasing dental amalgam composition for a tooth restoration comprising a dental amalgam alloy material and an fluoride-containing, the glass particulate powder component of a fluoride-leachable acid-etchable glass ionomer cement. The invention further provides a method for using the composition to prevent or reduce secondary caries in an existing tooth restoration, which is classified as a dental amalgam in nature.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: September 24, 2002
    Assignee: MCG Research Institute Medical College of Georgia
    Inventors: Fred Rueggeberg, Gary Whitford, Don Mettenburg
  • Fluoride-releasing amalgam dental restorative material
    Patent number: 6440398
    Abstract: A fluoride-releasing dental amalgam composition for a tooth restoration comprising a dental amalgam alloy material and an fluoride-containing, the glass particulate powder component of a fluoride-leachable acid-etchable glass ionomer cement. The invention further provides a method for using the composition to prevent or reduce secondary caries in an existing tooth restoration, which is classified as a dental amalgam in nature.
    Type: Grant
    Filed: August 13, 2001
    Date of Patent: August 27, 2002
    Assignee: MCG Research Institute, Medical College of Georgia
    Inventors: Fred Rueggeberg, Gary Whitford, Don Mettenburg