Its head with soft filaments is ideal for delicate cleaning, for sensitive or inflamed gums. Compatible universal model replacement. The color of the indicator bristles will fade when the head needs to be replaced. Dentists recommend changing the head every 3 months. Mode of Use: To carry out a correct brushing, we recommend starting by dividing the mouth into 4 quadrants, positioning the brush above and to the sides of each tooth. Without applying pressure and allowing the movement of the head. Repeat this procedure in the other quadrants. Brushing should last at least 2 minutes. Warnings: Not indicated for children under 4 years of age. In children under 8 years of age, use under adult supervision.