It is the last week of October...# Immigration - 落地生根
w*h
1 楼
有些家长担心自己的孩子出牙过早或过晚，这是一个小孩子的出牙和换牙时刻表 。家
长可以大至对照一下。
Primary Teeth Development Chart
Upper Teeth When tooth emerges When tooth falls out
Central incisor 8 to 12 months 6 to 7 years
Lateral incisor 9 to 13 months 7 to 8 years
Canine (cuspid) 16 to 22 months 10 to 12 years
First molar 13 to 19 months 9 to 11 years
Second molar 25 to 33 months 10 to 12 years
Lower Teeth
Second molar 23 to 31 months 10 to 12 years
First molar 14 to 18 months 9 to 11 years
Canine (cuspid) 17 to 23 months 9 to 12 years
Lateral incisor 10 to 16 months 7 to 8 years
Central incisor 6 to 10 months 6 to 7 years
From webmd.com
长可以大至对照一下。
Primary Teeth Development Chart
Upper Teeth When tooth emerges When tooth falls out
Central incisor 8 to 12 months 6 to 7 years
Lateral incisor 9 to 13 months 7 to 8 years
Canine (cuspid) 16 to 22 months 10 to 12 years
First molar 13 to 19 months 9 to 11 years
Second molar 25 to 33 months 10 to 12 years
Lower Teeth
Second molar 23 to 31 months 10 to 12 years
First molar 14 to 18 months 9 to 11 years
Canine (cuspid) 17 to 23 months 9 to 12 years
Lateral incisor 10 to 16 months 7 to 8 years
Central incisor 6 to 10 months 6 to 7 years
From webmd.com
