Clinical Study

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

Figure 3

A statistically significant difference found between preoperative (T1) and postoperative (T2) ANS-PNS distances and postoperative (T2) and late postoperative (T3) PNS-U distances in the Zisser group. (Box plots show the median, interquartile range, 95% percentile, and outliers as circles. indicates significant difference.)