Quite good, U-shaped toothbrush, also known as lazy toothbrush. Its lazy place is that the brush head is U-shaped, bite it in the mouth, can be well wrapped around the upper and lower teeth, when the teeth gently bite the toothbrush, the brush bristles and teeth between the angle of 45 °.
After turning on the machine, the brush bristles will sway to provide a cleaning effect. The publicity also said that this U-shaped toothbrush has more bristles, good wrapping, and the angle is in line with the pasteurized brushing method, and cleaning with a U-shaped toothbrush will be more in place. Especially the children's model, comes with lights, children's songs, can make the baby love brushing teeth.
Scientific brushing the best number of times and time to follow the "three, three, three" principle, that is, brushing 3 times a day, each time in the meal 3 minutes after brushing, while brushing each 2 minutes to 3 minutes. Brushing for too long or with too much force will increase the possibility of damaging the protective film on the teeth. It is therefore recommended that brushing should not take more than 3 minutes and the force should be about 150 grams, like the weight of an orange.
Expanded Information
The scientific and oral hygiene requirements of brushing is the vertical brush method, that is, brushing in the direction of the gap between the teeth. First brush the surface of the teeth, the toothbrush bristles and the surface of the teeth at a 45-degree angle diagonal and lightly pressed on the teeth and gums of the junction, gently do a small arc of rotation, the upper row of teeth from the gums to the lower brush, the lower row of teeth from the gums to the upper brush.
Next, brush the inside and outside of your teeth. Clean the inside and outside of the upper and lower jaw teeth with the correct brushing angles and motions. When brushing the inside of the front teeth, hold the toothbrush upright to clean the teeth. Finally, brush the occlusal surfaces by placing the tip of the bristles of the head of the toothbrush on the surface of the teeth where you bite food and rotate it to move it. The advantage of brushing teeth in this way is that you can basically brush and clean the food residues stuck on the occlusal surfaces, inside and outside of the teeth, and on the surfaces inside the teeth.
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