A: Hey, Megan. You look happy today. ?
B: Not much. I'm going to the dentist this afternoon. I like to visit the dentist. My teeth feel great after being cleaned.
A: Really? I always feel uncomfortable after my teeth are cleaned.
B: ?
A: Oh, once every few years.
B: You should see the dentist every six months. The dentist needs to check your teeth.
A: . My teeth hurt after I see the dentist.
B: That's because you don't see the dentist often enough. ?
A: Yes, but sometimes.
B: You should clean them three times a day, too.
A: I know, I know. I'm just lazy. Well, ?
B: Andrew Johnson. We can call him Dr. Johnson. He is really good. I have his phone number and you can call him to make an appointment(预约).
