Army Dentist - Intermediate Listening Test

Listen to Captain Ryan Romero , a dentist for the army and answer the following questions.
1. What is the first thing an army dentist does in the morning?
2. What is a root canal?
3. If you are interested in becoming a dentist, what school subjects are important?
4. Why does Captain Ryan Romero suggest taking an art class?
5. What are some ways you can keep your teeth cavity free?