← Back to all stories

Lucy Loses Her First Tooth

Lucy faces a wiggly milestone and learns why losing a baby tooth is a normal part of growing up.

Read along

Lucy discovers that one of her teeth is wiggly. At first she worries that something is wrong, so she asks a grown-up for help. She learns that baby teeth loosen when the permanent teeth beneath them are ready to grow. Lucy waits patiently and tries not to tug too hard. One day the little tooth comes out, leaving a tiny gap in her smile. The moment feels surprising, but Lucy is proud of this new growing-up milestone. She rinses her mouth, keeps brushing gently, and remembers that the new tooth will need care for many years. Losing a tooth may feel strange, but it is a healthy and normal part of childhood.

Inside the story

Scene by scene

Pause, look closer, and discover the science behind each part of the adventure.

A surprising wiggleScene 01

01

A surprising wiggle

Lucy feels a tooth move and wonders whether she should be worried.
Look closer

Most children begin losing baby teeth around ages five to seven, although the exact timing is different for everyone.

A new tooth underneathScene 02

02

A new tooth underneath

Lucy learns that a permanent tooth is growing below and slowly loosening the baby tooth's root.
Look closer

As a permanent tooth moves upward, the baby tooth's root dissolves. With less root holding it, the baby tooth becomes wiggly.

A brand-new smileScene 03

03

A brand-new smile

The tooth finally comes out, and Lucy proudly cares for the little gap in her smile.
Look closer

Gentle brushing keeps the area clean. A small amount of bleeding can be normal, but a trusted adult or dentist can help with any concerns.

Keep wondering

Ready for another big question?

Watch more stories