Clinical Study

Dimensions of Velopharyngeal Space following Maxillary Advancement with Le Fort I Osteotomy Compared to Zisser Segmental Osteotomy: A Cephalometric Study

Figure 8

Statistically significant differences were found between the Zisser and Le Fort groups’ measurements of T2 regarding the PNS-PPW, PNS-PPW90, and PNS-U distances. (Box plots show the median, interquartile range, 95% percentile, and outliers as circles and extreme values as plus signs. indicates significant difference.)