Back in the early 1900s, a dentist named Dr. Frederick McKay noticed that people in Colorado Springs had brown, mottled teeth—but zero cavities. He called it “Colorado Brown Stain.” Turns out, the water there was naturally high in fluoride. Bingo: ugly teeth, but rock-solid ones. Fast forward, and cities thought, “Let’s add the good part without the brown stain.” And thus, water fluoridation was born—a move so effective it’s been called one of the top 10 public health achievements of the 20th century.
Toothpaste Elements Present at Bertha Arrington blog
Think about that: your tap water is basically a cavity-fighting potion that’s been perfected over 80 years. It’s cheaper than a root canal and doesn’t require you to sit in a dentist’s chair while they talk about your flossing habits. Which we all lie about anyway.
Is It In Everything? (Spoiler: Almost)
Besides toothpaste and city water, fluoride shows up in mouthwash, some salts, and even tea leaves. Yes, your morning Earl Grey is a mild fluoride delivery system. So if you’re already sipping tea and brushing, you’re basically a walking fortress of dental health. Surprising fact: Black tea can contain up to 0.5 mg of fluoride per cup. That’s like a mini-dose of city water, but with caffeine.
And for the rare folks who live off-grid or prefer well water? You might miss out. Some natural wells have too much fluoride (brown teeth) or too little (cavities city). That’s why cities adjust it—like a bartender mixing the perfect cocktail for your smile.
