Дополните диалог:
Patient: Good afternoon, doctor. I have a 1_______.
Doctor: Which tooth is 2_______?
Patient: This one on the bottom left.
Doctor: Open wider, I see. You have 3_______.
Patient: What do I need to do, doctor?
Doctor: You need a 4_______. I can do that today. But remember, you should brush and floss your teeth two or three times a day. Okay?
Patient: Okay, doctor.