Fig. 2From: Revisiting the vascularity of the keratinized gingiva in the maxillary esthetic zoneMeasurements of the horizontal extension of the ischemia. a Selection of ROI 8 for the assessment of horizontal dimension of ischemia. b The method of analysis of the raw data. The rectangle indicates the area between the crossing points of the blood flow curves measured at the baseline and under occlusion. The dashed line indicates the midline of the papillaBack to article page