Add Yahoo as a preferred source to see more of our stories on Google. When it comes to giving your mouth a good cleaning, there’s no denying that a great toothbrush is a must-have. But while most ...

Teeth naturally lose their sparkle over time, even if you brush regularly and follow good oral hygiene habits. Everyday favourites like coffee, tea and tomato-based dishes can gradually stain enamel, ...

Please repeat the proportions of salt and soda for the tooth-brushing powder. I've used it for a long time but have misplaced the "recipe." Don't use a plastic blender container because it could be ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

When it comes to giving your mouth a good cleaning, there’s no denying that a great toothbrush is a must-have. But while most people use theirs with toothpaste, there’s a recent throwback trend that ...