Table 6. Correlation between chronological and dental ages by method.

Method	r / p values	Females	Males	Total sample
Demirjian	r value	0.957	0.962	0.961
	p value	< 0.001	< 0.001	< 0.001
Chaillet	r value	0.837	0.877	0.841
	p value	< 0.001	< 0.001	< 0.001
Willems	r value	0.966	0.959	0.962
	p value	< 0.001	< 0.001	< 0.001

Spearman’s rank correlation coefficient: r = Spearman’s rho, p = significant