invention mouthpiece shape of the upper housing and the lower housing to the upper teeth and lower teeth with a tooth brush with the installation of front to back and top to provide a device for tooth brushes configured to be automatically cleaned at the same time.The present invention is lower teeth and the upper teeth are inserted at the same time so that the top and the bottom is opened and the space is formed chukseol shape of the mouthpiece and a pair of housings, with two or more elastic parts connected to the housing integrally with the drive unit installed in a connection to the outside from the center of the housing, and a drive motor in the drive section naeseol, on top of the housing and a pair of first and second brushes chukseol by the flexible shaft so that the cross-member corresponding to, and a pair of the brushes 4,5 chukseol by a flexible shaft member that cross corresponding to the lower portion of the housing, the first and second the third brush is chukseol by both sides of the housing member to the lower flexible shaft located in the center of the brush, the flexible so as to be located on both sides of the bottom center by a castle 4,5 brush shaft member chukseol of the housing of claim 6 brushes, consisting of a pair of the shaft connected to the drive motor and the first, second and third installation Wars eombu formed at the end of the uniaxial and the drive shaft member is the shaft formed at the other end 4,5,6 Wars eombu part , the first and second coupling is in the first and second worm gears Wars eombu rotating in opposite directions to each other, are chukseol the shaft member of the first and second brush of claim 1, which is meshed with the first and second worm gear, 2 and the driven gear, wherein the shaft member is chukseol of the third brush and the third driven gear that is engaged with the third Wars eombu, is engaged to the claim 4,5 4,5 Wars eombu the worm to rotate in opposite directions to each other gear and a shaft mem
