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  • Title: Le Fort II Distraction With Zygomatic Repositioning: A Technique for Differential Correction of Midface Hypoplasia.
    Author: Hopper RA, Kapadia H, Susarla SM.
    Journal: J Oral Maxillofac Surg; 2018 Sep; 76(9):2002.e1-2002.e14. PubMed ID: 29800532.
    Abstract:
    Severe midface hypoplasia is frequently addressed with subcranial midface advancement at the Le Fort II or Le Fort III level. Le Fort II advancement has a predominant affect on the vertical and sagittal positioning of the nasomaxillary complex; in contrast, the Le Fort III advancement allows for correction of zygomatic position and exorbitism. In this report, the authors described a technique for correction of exorbitism which concomitantly addresses central midface vertical and sagittal deficiency. The technique involves a combination of a Le Fort III osteotomy with a Le Fort II distraction. The Le Fort III osteotomy allows repositioning and fixation of the zygomas to correct lateral hypoplasia and exorbitism, maintaining the globes in a more functional position. The Le Fort II distraction allows for movement of the central midface independent of the lateral orbits and zygomas, correcting the sagittal and vertical position without orbital distortion. With the medial canthal apparatus attached to the Le Fort II segment and the lateral canthus attached to the stabilized lateral orbits, the differential movement achieved can also have a favorable effect on palpebral fissure orientation.
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