14. LIS - Dentist

1. How often do many people in the U.S. visit the dentist?

• Once a year
• Once, twice, or three times a year
• Every five years
• Only when they have a problem

2. What happens during a normal dental checkup?

• The dentist only takes X-rays
• The dentist cleans teeth and checks for problems
• The dentist gives a patient new braces
• The dentist pulls out teeth

3. What is plaque?

• A tool used by dentists
• A sticky substance that forms on teeth from eating sugar
• A special kind of toothpaste
• A type of dental floss

4. What part of the mouth can bleed if it's unhealthy?

• The tongue
• The gums
• The teeth
• The lips

5. Why do many children get cavities?

• They eat a lot of sugar and don’t clean their teeth well
• They drink too much milk
• They visit the dentist too often
• They don’t use the right toothbrush

6. How often does the speaker brush and floss his teeth now?

• Once a day
• Three times a day
• Twice a day
• Only in the morning

7. Why did the speaker dislike having braces?

• They were expensive
• They looked bad and made it hard to clean teeth
• They made him speak differently
• They didn’t work well

8. How long did the speaker have braces?

• From age 18 to 20
• From age 21 to 23
• From age 15 to 18
• From age 12 to 14

9. Why is dental care expensive in the U.S.?

• Because many dentists refuse to work
• Because not everyone has dental insurance
• Because all treatments are free
• Because there are no dentists in some cities

10. What does "routine checkup" mean in the sentence, "Many people visit the dentist for routine checkups"?

• A special kind of dental treatment
• A regular visit to check for problems
• A surgery to remove cavities
• A free service at all dentists