2 Correct use of toothbrush: place the toothbrush at a 45-degree angle along the gums, and briefly clean the teeth back and forth with slight force, one at a time, and brush each tooth for about 10 second.
Clean the surfaces of all internal and external teeth in the same way. Don't forget to brush the chewing surface of your teeth, and make sure to brush the innermost teeth.
4 finally clean the utensils, brush the upper utensils first, and then brush the lower utensils. Brush lightly, and be careful not to damage or bend the bracket and steel wire of the appliance.