ScienceGlobal issuesDIY dental hygieneTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceGlobal issues07/22/2021July 22, 2021Toothbrushes are common across the world -- whether manual or electric. Dentists also advise a trip to a dental hygienist once or twice a year for professional cleaning. But can you do it yourself at home?https://p.dw.com/p/3xnoOAdvertisement