ORAL CLEANING DEVICE

PROBLEM TO BE SOLVED: To provide an oral cleaning device which can easily produce washing water containing hydrogen peroxide which is high in oral cleaning effect.SOLUTION: In the oral cleaning device (10), there are provided: a washing water production tank (20) which produces and stores the washing water fed into an oral cavity; a water feed passage (31) connected to the washing water production tank (20) at its one end; a transportation part (32) which transports the washing water in the washing water production tank (20) to the water feed passage (31); a water feed mechanism (30) which is connected to the flow-out end of the water feed passage (31), and includes discharging parts (33, 90 and 95) for discharging the washing water into the oral cavity; a pair of electrodes (51, 52) which generate streamer discharge in water; a power supply (65) which applies voltages to the pair of electrodes (51, 52); and a discharge generator (50) which performs the streamer discharge, and produces the hydrogen peroxide in water.