also consider common dental care questions. should you use an electric toothbrush or a regular toothbrush?
还要考虑常见的牙科保健问题,应该用电动牙刷还是普通牙刷?
brushing your teeth is not a short-term thing, it should be a long time to insist on doing, you do not want an electric toothbrush can help you day whitening teeth!
刷牙并不是一件短期的事情,还应该长期来坚持去做,你也别想一个电动牙刷就能帮你一天美白牙齿!
if time is a factor in your regular morning and nightly ritual, at least invest some money in an electric toothbrush .
如果是因为时间仓促, 那么至少买个电动牙刷吧。
an intervention could be, for example, to give some patients an electric toothbrush that helps them care for their mouths better, while other patients just get a regular toothbrush.
举例来说,干涉就是在一些病人用普通的牙刷时,给另一些病人一把电动牙刷,它能帮助他们更好地照顾他们的口腔。