Clinical Study

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

Figure 4

A statistically significant difference was found between T1 and T2 measurements for PNS-PPW and PNS-PPW90 in the Le Fort group. (Box plots show the median, interquartile range, 95% percentile, and outliers as circles. indicates significant difference.)