Scientists in the UK have found keratin, a protein in hair, can rebuild enamel and repair early tooth decay. The discovery could lead to keratin-based toothpaste or dental gels within two to three ...

Rachael Link is a registered dietitian and health writer based in San Francisco. She completed her undergraduate degree at the University of Central Missouri and holds a master’s degree from New York ...

The study presents keratin as an eco-friendly, biomimetic alternative to traditional fluoride treatments, which can only slow decay, but not reverse it. "Enamel is the hardest tissue in the body, but ...

Few things ruin a day faster than a toothache — the dull, persistent pain that reminds you of how fragile enamel really is. Cavities, fillings, and endless dental appointments have long been part of ...

Dentistry can save your teeth, but it's difficult to know what's happening when you're in the chair. A dentist showed Insider what the process can look like from his point of view. Here's how he fixes ...

Have you ever wondered how orthodontists create those perfectly aligned, beautiful smiles? If you’ve been thinking about braces or Invisalign, you might be curious about how the process works and how ...

Illustration: Kelsea Petersen / The Athletic, with photos by Michael Martin and China Wong / Getty Images Patrick Brown is quick with a smile. As such, it does not take long to see that Brown has ...