Fig. 9From: Changes in the midpalatal and pterygopalatine sutures induced by micro-implant-supported skeletal expander, analyzed with a novel 3D method based on CBCT imagingReference lines used in conventional 2D postero-anterior cephalometric analysis: a pre-expansion and b post-expansion; ANS is located on the left side of the vertical reference line. Maxillary sagittal plane (MSP) as novel reference plane: c pre-expansion and d post-expansion; ANS is located in the MSPBack to article page