The present invention relates to an electric toothbrush, and more particularly, to an electric toothbrush that can brush teeth while minimizing wrist bending, and can clean three surfaces of teeth at the same time, thereby efficiently brushing teeth. The electric toothbrush according to the present invention has a body part provided with an accommodation space therein and easily formed with a grip, a joint part connected to one end of the body part to enable joint movement in both directions based on the length direction, and rotation It is characterized in that it comprises a cleaning head that is formed with a brush capable of, and is connected to the end of the joint portion is formed with a rotation axis perpendicular to the longitudinal direction formed by the body portion and the joint portion. The electric toothbrush according to the present invention has the effect of minimizing the bending of the wrist when brushing teeth by forming a brush having a rotation axis perpendicular to the length direction of the toothbrush. In addition, by simultaneously cleaning three surfaces of the teeth, there is an effect of reducing the brushing time and increasing the brushing efficiency.
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