Which is better, an electric toothbrush or an ordinary toothbrush, is it necessary to buy an electric toothbrush?
Electric toothbrushes are used in the same way as ordinary toothbrushes. It should be noted that there is a misunderstanding when brushing your teeth. For example, the brush head should be soaked in water for the first time. Soaking in warm water will be softer, and soaking in cold water is relatively moderate. , Ice…