20 Interesting Mouth Facts (From a Dentist)
Your mouth is a living, highly engineered system: teeth, gums, saliva, nerves, and microbes all working together. Here are 20 dentist-approved facts (plus quick tips) to help you keep it healthy day to day. Quick takeaways Enamel is the body’s hardest substance—but it can’t regrow once it’s lost. Saliva is your built-in defense: it buffers […]