Age estimation from mixed dentition cast

Age of the child and teeth present during mixed dentition

Maxillary arch (in each quadrant )	Age of the child	Mandibular arch (in each quadrant)
Intact deciduous dentition	Below 6years	Intact deciduous dentition
Intact deciduous dentition with permanent first molar	About 6 years	Intact deciduous dentition with permanent first molar
6 E D C B 1	6 – 7 yrs	1 C D E 6
6 E D C 1	7 – 8 yrs	1 2 C D E 6
6 E D C 2 1	8 – 9 yrs	1 2 C E 6
6 E C 2 1	9 – 10 yrs	1 2 E 6
6 E 4 C 2 1	10 yrs	1 2 3 4 E 6
6 5 4 2 1	10 – 11 yrs	1 2 3 4 6
6 5 4 3 2 1	11 – 12 yrs	1 2 3 4 5 6
7 6 5 4 3 2 1	12 yrs and above	1 2 3 4 5 6 7