The present invention relates to unique interdental delivery devices, other than dental floss, which are suitable for cleaning, massaging, and/or treating surfaces of teeth and gums including interproximal and subgingival areas; wherein these devices contain ULTRAMULSION.TM. dispersions of high viscosity...http://www.google.es/patents/US5665374?utm_source=gb-gplus-sharePatente US5665374 - Ultramulsion containing interdental delivery devices
