“…5,7,8 The gender influence on the accuracy of visual shade matching is controversial. Some studies reported a better performance from males, 9,10 others favored females, 7,11 and many studies showed no evidence of gender influence on VSM. 8,[12][13][14][15] Only two studies 7,11 used a color difference metric (CIELAB 2 DE Ã ab ) to evaluate this controversial variable.…”