A toothbrush is disclosed. The toothbrush includes a handle, a brush tip connected to the handle, wherein the brush tip includes a plurality of bristles operably connected thereto, a power source, a direct current motor in selective electrical communication with the power source, wherein the motor includes a drive shaft, a drive assembly connected between the brush tip and the drive shaft, wherein the drive assembly converts rotation of the drive shaft into movement of the plurality of bristles, and a control assembly in electrical communication with the motor and the power source; wherein during operation of the motor, the control assembly monitors a current draw by the motor and adjusts a current applied to the direct current motor based on the current draw.