Abstract: An electric toothbrush includes a handle provided with a liquid feeding port, a toothbrush head connected to the handle and provided with a liquid discharging port communicated to the liquid feeding port through a liquid transfer passageway, a pumping mechanism disposed at the liquid transfer passageway and used for providing a pumping force for the liquid transfer passageway so as to transfer liquid from the liquid feeding port to the liquid discharging port and spray the liquid, and a transmission mechanism disposed on the handle and connected to the toothbrush head to drive the toothbrush head have a reciprocating motion relative to the handle.

Abstract: An arbitrarily-bendable oral irrigator nozzle is connected to an oral irrigator in use and comprises a base which is made from hard materials and provided with a water channel used for guiding water in the oral irrigator to spray, wherein a sleeve made from silica gel wraps the base and is internally provided with a water outlet channel communicated with the water channel; and a bendable metal part is embedded into the sleeve along the water outlet channel and has a first end fixedly connected to the base, and the metal part abuts against the sleeve to form a bendable and shapeable structure. The sleeve made from the silica gel wraps the base and is provided with the water outlet channel communicated with the water channel to form a flexible bendable part, and a metal wire is embedded into the sleeve and has one end fixed to the base.