TikTok users couldn't help but wonder what prompted the woman to brush her teeth on the bus. @Michy_Autos said: @adizadawud reacted: "No.1 rule, don’t skip a video with kasongo sound." ...

It came with a 2-minute timer, a pressure sensor (a hit or miss), and just one brushing mode ... electric toothbrushes were better at cleaning teeth and gums than manual toothbrushes.