目前,市面上为数不少的色彩斑斓、造型可爱的儿童电动牙刷,很受那些不爱刷牙的孩子青睐,手动牙刷则有受冷落的趋势。有专家认为,电动牙刷的好处在于方便、力度足够、能吸引一部分儿童刷牙的兴趣;但它的缺点在于要顾及功能等发挥,所以设计上难免存在缺憾,如刷头普遍较大,这样入口后牙刷横截面太大,有的牙齿表面或者缝隙可能刷不到;其次,电动牙刷的刷毛比较硬,可能 At present, the market a large number of colorful, lovely shape of children’s electric toothbrushes, very popular with those who do not love brushing children, hand toothbrushes are subject to the tendency of the cold. Some experts believe that the benefits of electric toothbrush is convenient, enough strength, to attract some children’s interest in brushing teeth; but its disadvantage is to take into account the functions to play, so the design inevitably there are flaws, such as the brush head is generally larger, so after the entrance Toothbrush cross-section is too large, and some may not brush the surface of the tooth or gap; Second, the bristles of electric toothbrush is relatively hard, may