What causes cavities? – Mel Rosenberg Admin, April 23, 2025 https://www.youtube.com/watch?v=zGoBFU1q4g0&showinfo=0&rel=0View full lesson: http://ed.ted.com/lessons/what-causes-cavities-mel-rosenberg When a team of archeologists recently came across some 15,000-year-old human remains, they made an interesting discovery: the teeth of those ancient humans were riddled with holes. So what causes cavities, and how can we avoid them? Mel Rosenberg takes us inside our teeth to find out. Lesson by Mel Rosenberg, animation by Andrew Foerster. Healthy Gums Healthy Teeth Oral health Teeth Whitening