A method of retaining dentures in position by use of magnets. A first magnet element is mounted to a support associated with a person's jawbone, such magnet element being exposed at or above the gingival margin of the person's gum, and a second magnet element is located in the denture. The second magnet...http://www.google.es/patents/US4209905?utm_source=gb-gplus-sharePatente US4209905 - Denture retention
