From: Associations between tooth agenesis and displaced maxillary canines: a cross-sectional radiographic study
N°
Age (years)
SD (years)
Mild H
Moderate H
Severe H
Study group (SG)
M
164
11.0
± 1.2
145
20
2
F
161
11.6
± 1.3
139
16
3
TOT
325
11.3
284 (87.4%)
36 (11.0%)
5 (1.5%)
Control group (CG)
11.2
11.4