Fig. 1From: Sex-related differences in endothelium-dependent vasodilation of human gingivaMeasurement setup. The patient's head is fixed with a vacuum pillow, and the lips are retracted with a cheek retractor (A). Silicon bite for stabilizing the jaws (left side), semi-circular wells on the labial surface of the upper right second incisor, and upper left first incisor. Coronal, Midway1, Midway2, Apical regions of interest (B)Back to article page