My son is 7 years 2 mons old ,his teeth growth and fall both are diff .His first teeth appeared at 18mons and the fall was around 6 and half years.He got the teeth first and then teeth fell.Till now two teeths have fallen (DOWN)and UPPER TWO ARE MOVING. I could see the new teeth which had come even it is moving little .I am worried about the movement of already grown teeth.Please share your opinion and advice.Thank you.