- 1). Grip the bottom of the brush head with one hand and the toothbrush handle with your other hand.
- 2). Twist the brush head counterclockwise until the threads of the brush head are separated from the threads of the toothbrush handle.
- 3). Pull the brush head away from the toothbrush handle. Notice the two bars in the brush head that are inserted into the toothbrush handle to stabilize the toothbrush. Without them, the vibrations created when the toothbrush motor runs could cause the brush head to vibrate, making it more difficult to effectively brush your teeth.
- 4). Align the stability bars of the new brush head with the holes in the toothbrush handle and slide the brush head onto the handle.
- 5). Twist the head clockwise until the brush head is tight on the toothbrush handle.
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