Patents Assigned to Univ. of MD., Baltimore
  • Methods and compositions for whitening teeth
    Patent number: 6365132
    Abstract: Methods for whitening teeth including contacting teeth with an effective amount of particulate bioactive glass are disclosed.
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: April 2, 2002
    Assignees: Univ. of MD., Baltimore, USBiomaterials Corp.
    Inventors: Leonard J. Litkowski, Gary D. Hack, David C. Greenspan