So, fluoride helps make the tooth stronger. And it prevents the growth of those cavity-causing bacteria. Scientists have been ...

As the Strategist’s dental-hygiene expert, I’m constantly trying the latest oral-health products, from toothpaste to tongue scrapers. Teeth-whitening treatments are relatively new to my own ...

To round up the best teeth whitening kits, we asked oral care experts for their input and tested several top options ...