Problem: A young girl is outside on a road with a bicycle wheel in her hand. people

Answer: are then shown on the road working on multiple bicycles and putting chains on the bike.

Problem: How to keep a cavity from getting worse
Brush the area carefully.
Ideally, brushing your teeth will help prevent cavities altogether. However, brushing is also important to prevent cavities from getting worse.

Answer: Buildup of food stimulates the growth of bacteria. This will get into the cavity and make it worse.

Problem: A woman is seated behind a wooden table. She quickly moves color blocks on a puzzle, trying to solve it. she
Answer: solves the puzzle and shows it to the camera.