Age Estimation in Children by the Measurement of Open Apices in Teeth: A Study in the Western Indian Population

Table 3

Mean values between the chronological age and the dental age (DA-CA) using the Western Indian formula (WIF) in females.

Age group	n	CA (mean ± SD)	DA (WIF) (mean ± SD)	CA-DA (WIF) (mean ± SD)	SEM	t
4.00–4.99	3	4.50 ± .081	4.70 ± 0.54	−0.019 ± 0.47	0.276	−0.692	0.560
5.00–5.99	3	5.88 ± 0.07	6.13 ± 0.47	−0.24 ± 0.51	0.299	−0.832	0.493
6.00–6.99	9	6.51 ± .34	6.21 ± 0.49	−0.29 ± 0.46	0.155	1.928	0.090
7.00–7.99	15	7.58 ± 0.31	7.57 ± 0.63	−0.00 ± 0.52	0.134	0.029	0.978
8.00–8.99	9	8.50 ± 0.34	8.59 ± 0.92	−0.08 ± 0.67	0.226	−0.385	0.710
9.00–9.99	32	9.50 ± 0.30	9.63 ± 0.88	−0.13 ± 0.72	0.12	−1.085	0.286
10.00–10.99	22	10.49 ± 0.34	10.83 ± 0.97	−0.33 ± 1.04	0.22	−1.512	0.145
11.00–11.99	19	11.51 ± 0.25	11.49 ± 0.55	−0.01 ± 0.49	0.113	0.122	0.904
12.00–12.99	16	12.49 ± 0.25	12.25 ± 0.74	0.24 ± 0.70	0.176	1.365	0.192
13.00–13.99	22	13.47 ± 0.31	13.14 ± 0.68	0.33 ± 0.68	0.146	2.291	0.032
14.00–14.99	7	14.38 ± 0.19	13.16 ± 0.40	1.21 ± 0.43	0.164	7.433	0.000