2. If you really want to do this, ONLY do partial numb. NEVER do full numb at dental office. It’s too dangerous.
3. I don’t think bottle causes any problems. My daughter is 4. She use bottle everyday for her milk and sip cup to drink water. I brought her to see two dentists. Both of them said her teeth are great. But I do control the candy. I floss and brush her teeth every night since she was 2.5.
4. You can save the money. If you take your son back to China, the dentist might say his teeth is fine. I heard one case before.