Don’t make a career of this, Katy. The instructions for my wife’s toothbrush suggest brushing for two minutes in each quadrant. It even beeps to let you know that you can move on to the next quadrant.
Don’t make a career of this, Katy. The instructions for my wife’s toothbrush suggest brushing for two minutes in each quadrant. It even beeps to let you know that you can move on to the next quadrant.