Clinical Study

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

Table 1

Patient characteristics.

GroupAgeAdvancement (left/right)DistractionCleftFollow-up (month)Mandibular setback

Le Fort1611 mm++21
Le Fort235 mm 1
Le Fort36 7.5 mm/9.5 mm11+
Le Fort209.5 mm+13
Le Fort1510 mm++24
Le Fort177.5 mm ++7
Le Fort324 mm+
Zisser165.5 mm+1
Zisser214 mm+1
Zisser199 mm/7 mm++62
Zisser177 mm+23
Zisser208 mm+47
Zisser254 mm+1
Zisser169.5 mm/10.5 mm++28+