From: Laser doppler flowmetry to detect pulp vitality, clinical reference range and coincidence rate for pulpal blood flow in permanent maxillary incisors in Chinese children: a clinical study
n
%
Gender
Male
239
52.53
Female
216
47.47
Age (years)
7
95
20.88
8
104
22.86
9
127
27.91
10
67
14.73
11
38
8.35
12
24
5.27