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How to choose a toothbrush suitable for children?

Release time:

2023-11-15 11:52

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A toothbrush with a smaller brush head can rotate sensitively in a child's mouth. Of course, it is not to say that the smaller the brush head, the better. If the brush head is too small, it will also affect the efficiency of brushing teeth. In response, the national standard has stopped the rules on toothbrush specifications. The arrangement length of the brush head of children's toothbrush is ≤ 2.9cm, which is almost the length of 2~3 front teeth. The width is ≤ 1.1cm, about no more than 4 rows of bristles, and the length of the handle is 11~18cm. At the same time, the head of the toothbrush cannot be removed to avoid children swallowing it by mistake.

National regulations rule that the bristles of children's toothbrushes are soft bristles with a diameter of less than or equal to 0.18mm. Thinner bristles can deepen the teeth and clean more cleanly. However, it is not to say that the finer the better. For example, some ultra-fine bristles with a diameter of only 0.01mm are not hard enough to clean some thicker tartar. The material of the bristles is preferably nylon. The nylon filament is slender and soft, can clean the gap between the teeth, and has good elasticity, and has a good massage effect. At the same time, it is extremely wear-resistant and does not absorb water, which can be said to be the data of the bristles. How to judge whether the bristles can be soft and hard moderate? The hair grafting machine can directly press the bristles on the back of the hand, and when it is lightly pressed, it is clarified that the bristles are hard. If the bristles are not severely deformed and have no tingling, it is clarified that the bristles are soft and hard moderate.

The bristle top shape fundamental resolution of the tooth appearance of wear. According to the national standard, the sharp angle of the top contour of the monofilament of the children's toothbrush bristle shall be removed after grinding, and there shall be no burr. In addition, due to the fragility of children's oral cavity, the grinding index of children's toothbrush is more severe. The mechanical flat-shaped hair-type grinding rate of toothbrush should be greater than 70%, and the special-shaped hair-type grinding rate should be greater than 50%.

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