Is subcranial le fort iii plus le fort i osteotomy stable?
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Universidade Federal de Minas Gerais
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Artigo de periódico
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The purpose of this study was to test whether associated subcranial Le Fort III (sLF III) and Le Fort I (LF I)
osteotomies are stable after large advancements of the middle third of the face and maxilla. The authors
designed a retrospective study and enrolled a sample of consecutive patients with midface hypoplasia
treated with associated sLF III and LF I osteotomies in this IRB-approved study between September 2013
and February 2015. To test whether the long-term stability was satisfactory, the authors compared
cephalometric changes from immediately after surgery to 18 months after surgery taken from multi-slice
computed tomography using two different third-party imaging software programs. Statistical signifi cance was set as P 0.05. The sample comprised 11 patients (mean age 23.84 ± 4.17 yr; 54% men). The
mean advancement of the upper incisor immediately after surgery was 10.03 ± 1.6 mm. After 18 months,
the position of the upper incisor did not vary significantly (10.18 ± 2.35 mm). All other cephalometric
landmarks did not present statistically significant differences between immediately after and 18 months
after surgery, with horizontal and vertical variations of less than one millimetre. This study supports that
sLF III and LF I osteotomies are effective in maintaining stable horizontal and vertical skeletal positioning
after surgery.
Abstract
Assunto
Osteotomy, Skeleton, Incisor, Cephalometry
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acesso restrito Is subcranial le fort iii plus le fort i osteotomy stable? busca dia 19/02/2024 fao clínica assunto Osteotomy título periódico: Journal of cranio-maxillofacial surgery Autor(es): Fernanda Brasil Daura Jorge Boos Lima Eduardo Hochuli-Vieira Philipp Juergens Sergio Monteiro Lima Junior Fernanda Brasil Daura Jorge Boos Lima a , Eduardo Hochuli Vieira b , Philipp Juergens c , Sergio Monteiro Lima Junior a
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https://www.sciencedirect.com/science/article/pii/S1010518217303049