Figure 4From: Early treatment of posterior crossbite - a randomised clinical trial Maxillary transversal measurements. For the analysis of the intercanine, anterior, middle and posterior transversal widths, all measurements were performed by projection on the occlusal plane. For the intercanine width, the canine cuspids, the first and second deciduous molars, and the six-year molars, the deepest points of the fossae were taken as reference points.Back to article page