Listening Quiz: Giải Thích Cạo Vôi Toàn Hàm Cho Bệnh Nhân – Medium Level

1. What is the conversation mainly about?
2. Why does David say Sarah needs a full mouth debridement first?
3. How long does David say the appointment will take?
4. Why does David mention local anesthesia?
5. What can Sarah expect after the debridement is finished?

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