نتایج جستجو برای: le fort osteotomy
تعداد نتایج: 132741 فیلتر نتایج به سال:
BACKGROUND The Le Fort I maxillary osteotomy approach for skull base tumor removal in the pediatric age group has not been widely discussed in the literature except for sporadic case reports and limited case series. OBJECTIVES To review our experience with the Le Fort I osteotomy and to propose that it be used as an alternative approach because of its many advantages for the removal of tumors...
OBJECTIVE To analyze the long-term effects of the Le Fort I osteotomy approach for the resection of juvenile nasopharyngeal angiofibroma (JNA) on maxillary growth and dental sensation. DESIGN Prospective collection of structured data. SETTING Tertiary care academic teaching hospital. PATIENTS Between 1993 and 1998, 5 adolescents (aged 10-14 years) constituted the evaluable cohort among 14...
BACKGROUND Le Fort I osteotomy imparts significant changes to the nasolabial region. Past studies have relied on 2-dimensional data and have not delineated differences among various Le Fort I subtypes. The purpose of this study is to 3-dimensionally analyze Le Fort I-induced nasal and lip changes comparing advancement alone versus widening alone [surgically assisted maxillary expansion (SAME)] ...
Maxillary transverse deficiency is one of the most common deformities among occlusal discrepancies. Typical surgical methods are segmental Le Fort I osteotomy and surgically-assisted rapid maxillary expansion (SARME). This patient underwent a parasagittal split with a Le Fort I osteotomy to correct transverse maxillary deficiency. During follow-up, early transverse relapse occurred and rapid ma...
AIM This study assessed the causes and incidence of miniplate removal during a 5-year period after Le Fort I osteotomy. PATIENTS AND METHODS One hundred forty-two patients had plates inserted for fixation of the maxilla after Le Fort I osteotomy between 2001 and 2004. The Le Fort I segment was rigidly fixed with four 2-mm titanium miniplates and 16 screws. They were followed 1 to 5 years for ...
CONTEXT Le Fort 1 maxillary osteotomy in operated patients of cleft lip and cleft palate (CLCP). AIMS To study stability of Le Fort 1 maxillary osteotomy in operated patients of CLCP by two-dimensional evaluation using cephalometric analysis. SETTINGS AND DESIGN Prospective study conducted at Army Dental Centre (Research and Referral) from May 2009-May 2012. MATERIALS AND METHODS Subjects...
An 18-year-old female and a 14-year-old male who had previously received surgery for primary repair of a nonsyndromic cleft lip and palate (including alveolar defect bone grafting) unintentionally developed facial advancement at the Le Fort III level after surgical correction of their maxillary hypoplasia. The Le Fort I osteotomy, originally performed for their maxillary dentoalveolar hypoplasi...
Vertical ‘down grafting’ of the maxilla is routinely performed using orthotopic bone graft or heterotopic donor bone products. It is well documented that with this approach, bone grafting does not always result in a favorable stable outcome as relapse commences before complete integration of the graft. We wish to highlight the ‘down sliding’ osteotomy, first described by Reynekein 1985, whi...
Monobloc Le Fort III distraction osteogenesis allows superior skeletal advancement in treating severe syndromic craniosynostosis. We report a rare orbital complication in a 3-year-old boy with Crouzon syndrome who developed right-eye exodeviation with limited abduction during the intradistraction period following this surgery. Images from a computed tomography scan confirmed direct impingement ...
PURPOSE The purpose of this study was to evaluate the differences in the recovery of maximum mandibular opening (MMO), and the relationship between MMO and the maxillomandibular fixation (MMF) period after sagittal split ramus osteotomy (SSRO) and intraoral vertical ramus osteotomy (IVRO), with and without Le Fort I osteotomy. PATIENTS AND METHODS Sixty-eight patients with diagnosed mandibula...
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