From: Gender- and age-related differences in the width of attached gingiva and clinical crown length in anterior teeth
Nonparametric analysis of variance
Sex
Age
Position
P value
CCL of Maxilla
< 0.01
0.08
CCL of Mandible
0.18
WAG of Maxilla
0.88
0.052
WAG of Mandible
0.26
< 0.05