The present invention provides an electric toothbrush comprising a toothbrush body in which a motor and a battery are embedded, and a bristle which is installed on one end of the toothbrush body and formed to protrude from a longitudinal virtual line of the toothbrush body; and an electric toothbrush case for storing the electric toothbrush. According to the present invention, a molar portion can be conveniently brushed.COPYRIGHT KIPO 2020본 발명은, 상기 모터와 상기 배터리를 내장하는 칫솔 본체; 및 상기 칫솔 본체의 일단에 설치되며, 상기 칫솔 본체의 종방향 가상선보다 돌출되게 형성되는 칫솔모를 포함하는, 전동 칫솔과, 전동 칫솔을 보관하는 전동 칫솔 케이스를 제공하기 위한 것이다.