Table 1.

Correlation coefficients between age and pulp volume

Tooth	Pearson correlation	IC 95%	R²	t value	p value
Upper central incisor	−0.8782	−0.91 a −0.83	0.7713	−19.609	<0.0001
Upper canine	−0.8738	−0.91 a −0.82	0.7635	−19.1829	<0.0001