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

Table 4

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

Age group	SEM	CA (mean ± SD)	DA (WIF) (mean ± SD)	CA-DA (WIF) (mean ± SD)	SEM	t
4.00–4.99	4	4.67 ± 0.25	4.48 ± 0.68	−0.19 ± 0.81	0.40	−0.478	0.665
5.00–5.99	13	5.47 ± 0.35	5.76 ± 0.85	−0.29 ± .63	0.17	−1.684	0.118
6.00–6.99	15	6.51 ± 0.30	6.93 ± 0.62	−0.41 ± 0.68	0.17	−2.350	0.034
7.00–7.99	11	7.36 ± 0.20	7.78 ± 0.97	−0.42 ± 0.86	0.26	−1.634	0.133
8.00–8.99	7	8.59 ± 0.26	8.52 ± 0.49	0.06 ± 0.48	0.18	0.360	0.731
9.00–9.99	15	9.50 ± 0.30	9.83 ± 0.77	−0.32 ± 0.67	0.17	−1.890	0.080
10.00–10.99	27	10.57 ± 0.28	10.86 ± 0.71	−0.29 ± 0.75	0.14	−2.050	0.051
11.00–11.99	17	11.44 ± 0.28	11.57 ± 0.92	−0.12 ± 0.93	0.22	−0.529	0.604
12.00–12.99	24	12.51 ± 0.30	12.59 ± 0.87	0.07 ± 0.86	0.18	−0.398	0.695
13.00–13.99	15	13.43 ± 0.27	12.66 ± 0.79	0.77 ± 0.76	0.19	3.922	0.002
14.00–14.99	9	14.44 ± 0.31	13.69 ± 0.93	0.74 ± 1.08	0.38	1.949	0.092