From: Does the crypt: tooth ratio in the developing tooth correlate with chronological age in children?—a novel, radiographic, cross-sectional pilot study using ImageJ tools
Group
Age range (years)
n
%
I
4.01–7.00
38
26.2
II
7.01–10.00
III
10.01–13.00
37
25.5
IV
13.01–16.00
32
22.1