Research Article

Have you ever pushed a loose tooth with your tongue and wondered, “Why is this tooth suddenly moving?” Maybe you keep checking it in the mirror. Maybe you wiggle it with your finger. And then one day, plop! It is in your hand. But what exactly is happening inside your mouth? Your tooth isn't simply deciding to leave. Your mouth is making room for something new.

Have you ever raced with your family or friends, played football, danced to your favourite song, or skipped across the playground? After a few minutes, you stop to catch your breath, and you place your hand on your chest. Thump! Thump! Thump! Your heart is beating much faster than before! Have you ever wondered why? Don't worry, your heart isn't in trouble. It's simply doing its amazing job.