Electric toothbrush, which we're all familiar with, need to be used sooner or later. There are more and more teeth cleaning products on the market. Besides regular toothbrushes, there are also electric toothbrushes, tooth beaters and so on. Are these sonic toothbrush worth buying? How to select and

When selecting an appropriate electrical toothbrush, the adhering to points should be kept in mind: The Chinese residents' oral health guidelines promote making use of electrical toothbrush with the following features: ① The brush head is tiny, so that it can rotate openly in the oral cavity (specif