A device for irrigating the teeth and bucal tissues comprises a flexible laminar adaptor for placement between the lips and teeth. The adaptor is provided with irrigation nozzles connected to a water supply, and an outlet connected to a drain. The entire mouth is irrigated, as the teeth are not encl...http://www.google.se/patents/US4865021?utm_source=gb-gplus-sharePatent US4865021 - Device for hygienizing the bucal cavity
