1, first brush the outer side of the teeth, put the toothbrush bristles at an angle of 45 degrees with the surface of the teeth and gently press them at the junction of the teeth and gums, and gently brush them back and forth in a small arc shape, with the upper row of teeth brushing down from the gums and the lower row of teeth brushing up from the gums.
2. Brush the occlusal surface again, hold the toothbrush flat, and brush the occlusal surface of the teeth back and forth with moderate strength.
3. Then brush the inner side, erect the toothbrush, and gently clean the inner surface of the teeth up and down with the front end of the toothbrush.
4. Finally, gently brush the surface of the tongue to remove food residues and bacteria from the inside out, which can keep the breath fresh. (Because there are also some bacteria in the tongue coating. )
note:
1, brushing your teeth for too long and with too much force will not make your teeth cleaner, on the contrary, it may damage the protective film of your teeth and bring permanent damage to your teeth.
2. It is best to use warm water when brushing your teeth.
3. Before brushing your teeth, don't touch the toothbrush with water or rinse your mouth with water.
4, from one direction or from different directions, angles, try to put the bristles into and close to the tooth surface, it is possible to clean it.