13个月12天 下牙床左二(Q)
![]() | Upper Teeth E.F. Central Incisor | Erupt 8-12 mos. | Shed 6-7 yrs. |
Lower TeethK. Second Molar | Erupt 23-31 mos. | Shed 10-12 yrs. | |
13个月12天 下牙床左二(Q)
![]() | Upper Teeth E.F. Central Incisor | Erupt 8-12 mos. | Shed 6-7 yrs. |
Lower TeethK. Second Molar | Erupt 23-31 mos. | Shed 10-12 yrs. | |