Teeth are a unique organ that allows us to enjoy food… and is that all?
**Fact 1** — 99% of the calcium in our bodies is found in our teeth. Tooth enamel is primarily made of calcium phosphate, known as hydroxyapatite, the hardest tissue in the body—even tougher than bone. This durability helps teeth resist acids in the mouth. Under the right conditions, hydroxyapatite can even repair itself after acid exposure.
*Maintaining calcium levels throughout life is key to dental health. Focus on calcium-rich foods like milk, yogurt, and cheese—the best sources—or salmon, oysters, dried beans, and asparagus.*

**Fact 2** — Tooth enamel lasts about 50-60 years. As the tooth’s protective layer, it’s the body’s hardest tissue, with up to 97% inorganic content. Once damaged, enamel cannot regenerate, leading to further tooth decay. That’s why proper enamel care is crucial for oral hygiene.
**Fact 3** — Dental plaque hosts 300 types of bacteria, though only a few cause tooth or gum disease. Regular dental visits help manage bacterial buildup and catch issues early. See a dentist at the first sign of gum problems, like bleeding during brushing.

**Fact 4** — 92% of adults have wisdom teeth, but 25% never erupt. These teeth can appear at any age—the oldest recorded case was a 94-year-old.
**Fact 5** — A knocked-out tooth can be saved by reinserting it into the gum within 5 minutes. Immediate dental care within 30 minutes is essential for success.