3. It’s not just about sugar
New research into cavities now reveals it’s not just sugar that makes plaque develop on teeth. Any acidic food actually changes the pH in our mouths—and that’s what leads to cavities.
What’s acidic? Sugar combined with caffeine is a top offender. So caffeinated soft drinks, energy drinks, and sweetened coffees and teas are major cavity creators. “It’s a real problem because people are so addicted to caffeine,” says Rodgers. “I recently did my first Tim Hortons double-double root canal. My patient drank them all day.”