Stability of Le Fort 1 osteotomy in patients with bilateral cleft lip and palate: A retrospective study of 71 patients

The aim of this study was to evaluate the sagittal and vertical relapses after Le Fort 1 osteotomy in bilateral cleft lip and palate (BCLP) patients. Lateral cephalograms before surgery, immediately after the procedure, at one year, and at least two years (when available) after surgery were superimp...

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Published in:Journal of cranio-maxillo-facial surgery 2023-07, Vol.51 (7-8), p.407-415
Main Authors: Mafféïs, Julia, Odri, Guillaume Anthony, Mercier, Jacques-Marie, Loin, Justine, Perrin, Jean-Philippe, Joly, Aline, Letelier, Claudia, Corre, Pierre, Bertin, Hélios
Format: Article
Language:English
Subjects:
Cephalometry
Cleft Lip
Cleft Palate
Follow-Up Studies
Human health and pathology
Humans
Life Sciences
Maxilla
Maxillary osteotomy
Orthognathic surgery
Osteotomy, Le Fort
Recurrence
Retrospective Studies
Stability
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Summary:The aim of this study was to evaluate the sagittal and vertical relapses after Le Fort 1 osteotomy in bilateral cleft lip and palate (BCLP) patients. Lateral cephalograms before surgery, immediately after the procedure, at one year, and at least two years (when available) after surgery were superimposed. The positions of five landmarks were studied in a coordinate system. Uni- and multivariate analyses investigated the effect of various factors on the relapse. Of the 71 patients included for a BCLP, 54 presented complete data at one year, and 30 patients were included for the long follow-up study (mean of 55 months). The mean maxillary advancement was 6.2 mm on the sub-spinal point (A). Sagittal relapse occurred at one year (mean of 1.1 mm on point A, 0.7 mm on point prosthion (P); p 
ISSN:1010-5182
1878-4119
DOI:10.1016/j.jcms.2023.06.011