Listening Quiz: Giải Thích Ghép Xương Trước Khi Đặt Implant Nha Khoa – Advanced Level

1. What is the main topic of the conversation?
2. Why is Jessica’s jaw bone too thin for implants now?
3. What does William say a bone graft does?
4. How long does William say the bone graft surgery takes?
5. What can Jessica expect after the bone graft healing period ends?

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