The nose, the ear, and the mouth, and the use of the brush in cleaning the teeth, all of that is for the sake of health. The direction of the brush is from top to bottom to care for the gums and the back teeth.
The nose, the ear, and the mouth, and the use of the brush in cleaning the teeth, all of that is for the sake of health. The direction of the brush is from top to bottom to care for the gums and the back teeth.