Most people use toothbrushes, toothpaste and dental floss to clean their teeth, but their use is by no means universal. Many indigenous groups, as well as people in developing countries, use traditional techniques to clean their teeth. Some of these techniques are more effective than others.
Tuesday 16 April 2024
CNN - 5 years ago
Not everyone uses a toothbrush to clean their teeth -- here s what science says about the alternatives
Latest News
Trump scores legal wins after Summer Zervos drops lawsuit and Cohen s suit against Trump Org. dismissed
- CNN Bare-knuckle queen Gonzalez pledges to ‘smash’ rival Hart as warring rivals collide after ‘fake t*ts’ jibe
- RT MMA pin-up Loureda claims being feminine makes it ‘100 times harder to earn respect’ ahead of comeback fight
- RT ‘I’d rip him up’: Conor McGregor reacts to taunt from UFC champ Petr Yan with order to ‘set this up’
- RT Joshua Kimmich ‘set to miss out on $440,000’ amid strict German rules for unvaccinated workers forced to quarantine
- RT 