A toothbrush comprising a handle with a head includes a base end facing the handle in a tip end remote from the base end. The head adjoins the handle at the base end of the head, and the head and the handle are disposed along the longitudinal toothbrush axis. The head also includes a substantially rigid...http://www.google.se/patents/US20010014991?utm_source=gb-gplus-sharePatent US20010014991 - Toothbrush comprising a resilient flex region
