Eruption of Maxillary Posterior Permanent Molars following Early Conventional Le Fort III Advancement and Early Le Fort III Distraction Procedures Compared to Late Surgical Intervention

Plastic and Reconstructive Surgery
Marina N GoncharPradip R Shetye

Abstract

Le Fort III advancement and/or distraction involve osteotomies and dysjunction in the region of the maxillary tuberosity in proximity to the maxillary posterior tooth buds. The purpose of this study was to determine the effect of early conventional Le Fort III advancement and/or distraction on development and eruption of the maxillary posterior permanent molars. A retrospective review of patients diagnosed with syndromic craniosynostosis, who underwent early Le Fort III or early midface distraction and late surgical intervention, was analyzed. In the early conventional Le Fort III surgery group, 93 percent of maxillary second molars and 28 percent of maxillary first molars experienced a disturbance in eruption. In the early distraction group, 82 percent of maxillary second molars and 20 percent of maxillary first molars experienced a disturbance in eruption. In the control group, the late conventional Le Fort III and the late distraction groups, only 26 percent of maxillary second molars and none of maxillary first molars experienced a disturbance in eruption. A common disruption seen postoperatively in the early Le Fort III and distraction groups was displacement of the second molars. The majority of the displaced tooth buds w...Continue Reading

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Citations

May 31, 2021·Clinics in Plastic Surgery·Shayna Avinoam, Pradip R Shetye
Jun 30, 2021·Current Opinion in Otolaryngology & Head and Neck Surgery·Henya Sandhaus, Matthew D Johnson

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