We recommend the horizontal chattering method, which is characterized by maximum removal of plaque close to the gums and in the crevices of the teeth, by choosing a soft-bristled toothbrush. Method: Brush the end of the bristles at an angle of 45 degrees to the tooth – gum surface and press lightly so that part of the bristle end enters the gum sulcus, then make a back and forth horizontal tremor in place 6-8 times, brush the lingual side of the upper and lower front teeth with the toothbrush head up. Finally, do not forget the distal and middle surfaces of the last teeth and the occlusal surface. Make sure to brush twice a day, morning and evening, for 3 minutes each time. Health care toothbrush: a toothbrush that meets the requirements of physiological hygiene and can effectively remove plaque. 1, the head of the toothbrush should not be too large, and the bristles should be arranged reasonably; 2, the bristles are soft and flexible; 3, the top of the bristles are rounded; 4, the handle is easy to hold.