scholarly journals 1353 Accuracy of Surgical movements in the Le Fort I Osteotomy

2021 ◽  
Vol 108 (Supplement_6) ◽  
Author(s):  
K Nandhra ◽  
A Flett
Keyword(s):  
Retrospective Analysis ◽  
Case Series ◽  
Le Fort I Osteotomy ◽  
Retrospective Case ◽  
Lateral Cephalogram ◽  
Le Fort ◽  
Satisfactory Outcome ◽  
Soft Tissue Profile ◽  
Lateral Cephalograms ◽  
Le Fort I

Abstract Introduction The Le Fort I osteotomy is a surgical procedure planned by a joint orthognathic team aiming to correct skeletal discrepancies of the maxilla, with subsequent soft tissue profile changes of the patient. We undertook a retrospective case series analysis of patients receiving Le Fort I surgery at a UK teaching hospital over the last four years to assess the accuracy of Le Fort I surgical movements, by comparing the actual maxillary movement with planned surgical movements. Method A retrospective analysis of patients receiving Le Fort I surgery over a 4-year period, 2016-2020, was completed. Pre- and post-surgical lateral cephalograms were traced to determine postoperative anterior maxillary movements, and these were compared to the original orthognathic plan. Based on a literature review, we created a locally established standard of surgical movement to be within 2mm of planned movement on the lateral cephalogram trace for a satisfactory outcome. Results 91% of patients undergoing Le Fort I surgery (n = 11) had postoperative maxillary movement within 2mm of the surgical plan, and the mean difference between planned and surgical movements was 1.13mm. Conclusions Our retrospective analysis shows there is good surgical accuracy demonstrated of Le Fort I maxillary advancement movements compared to their original plan. Following this, we will continue to monitor and maintain this high standard for optimal patient outcome.

High-power diode laser in the circumvestibular incision for Le Fort I osteotomy in orthognathic surgery: a prospective case series study

2017 ◽  
Vol 33 (1) ◽  
pp. 51-56 ◽  
Author(s):  
Filipe Jaeger ◽  
Gustavo Marques Chiavaioli ◽  
Guilherme Lacerda de Toledo ◽  
Belini Freire-Maia ◽  
Marcio Bruno Figueiredo Amaral ◽  
...  
Keyword(s):  
Orthognathic Surgery ◽  
Case Series ◽  
Le Fort I Osteotomy ◽  
Le Fort ◽  
Case Series Study ◽  
Prospective Case Series ◽  
Power Diode ◽  
Series Study ◽  
High Power Diode Laser ◽  
Le Fort I

Middle and Lower Facial Soft Tissue Changes after Maxillary Advancement through Conventional or High Le Fort I Osteotomy: A Case Series Study

2019 ◽  
Author(s):  
Ramin Foroughi ◽  
Oveis Khakbaz ◽  
Mehrdad Maneshi
Keyword(s):  
Case Series ◽  
Mean Difference ◽  
Class Iii ◽  
Le Fort I Osteotomy ◽  
Le Fort ◽  
Maxillary Advancement ◽  
Tissue Changes ◽  
Group 2 ◽  
Le Fort I ◽  
Group 1

Introduction Maxillary advancementis applied extensively for malocclusion class III correction.This procedure is done using one of the two methods, Conventional or High. Maxilla moves in both vertical and horizontal and only in the horizontal directions in Conventional and High method respectively, so expecting a difference in facialsoft tissue changes. In present study is a case series that describes this issue. Materials and Methods: The cases included 30 patients with class III malocclusion due to maxillary deficiency, whom underwent Le Fort I osteotomy for maxillary advancement in Shahid Beheshti Hospital in Babol, Iran during 1995 to 1995. According to surgical technique, the cases were placed in group 1 (Conventional) or group 2 (High). Maxillary advancement and changes in hard and soft tissue of the middle and lower facial regions where measured through tracing on the lateral cephalometry. Intra-group and inter-group statistical comparisons were done using SPSS20 software at significance level as 0.05. Result: The pre-surgical mean size of SNA, SNB, nasolabial and mentolabial angles was similar in two groups. In all patients, after surgery, SNA angle size was increased and SNB، nasolabial and Mentolabial angles size were decreased. The mean value of these change was similar in two groups. In group 2, the displacement of point A ‘(mean difference: 1.30 mm) and Labrale Superius (mean difference: 1.40 mm) were significantly more than group 1. The amount of displacement of SN (mean difference: 1.30 mm), Labrale Inferius (mean difference: 0.88 mm) and Pogonion (mean difference: 0.23 mm) points in group 2 was higher than that of group 1, but this difference was not statistically significant. Conclusion: It is needed strong evidence for decision about selecting High or Conventional approach maxillary advancement in terms of facial aesthetic aspects. So, further studies with larger sample sizes and cohort or quasi-experimental design is suggested

scholarly journals Long-term Use of Le Fort I Osteotomy for the Management of Nasopharyngeal Rhinosporidiosis: A Case Series

2018 ◽  
Vol 97 (10-11) ◽  
pp. E36-E43
Author(s):  
Vikram Shetty ◽  
Akshaya Kulkarni ◽  
Suman Banerjee
Keyword(s):  
Nasal Mucosa ◽  
Treatment Protocol ◽  
Case Series ◽  
Le Fort I Osteotomy ◽  
Complete Excision ◽  
Le Fort ◽  
Long Term Follow Up ◽  
Le Fort I

Rhinosporidiosis is a rare, chronic, granulomatous infection of the mucous membranes that mainly involves the nose and nasopharynx; it occasionally involves the pharynx, conjunctiva, larynx, trachea and, rarely, the skin. The characteristic clinical features of this disease include the formation of painless polyps in the nasal mucosa or the nasopharynx that bleed easily on touch. At our center, excision of the lesion with a Le Fort I osteotomy is carried out in patients (1) in whom two or more previous attempts at excision of biopsy-proven rhinosporidiosis arising from the nasal mucosa was carried out or (2) in whom the rhinosporidiosis arises from the nasophayrngeal mucosa and/or extranasal sites. In this article we retrospectively present 7 cases in which, according to our inclusion criteria, complete excision of the lesion was carried out with a Le Fort I osteotomy. Excellent visualization of the entire maxillary and ethmoidal air cells after the down-fracture of the maxilla helped in the total removal of the lesions. Most of these lesions had multiple points of origin through the nasal, maxillary, and ethmoidal mucosa; the excellent visualization enabled direct cauterization of all these points of origin. The mean follow-up period was 7.96 years, and all patients were disease-free by the time the study was prepared. This article presents details of the treatment protocol and technique followed at our center for the treatment of nasopharyngeal rhinosporidiosis and the details of long-term follow-up. Through this study we hope to prove the efficacy of Le Fort I osteotomy in the definitive management of nasopharyngeal rhinosporidiosis.

Stability of the Le Fort I Osteotomy With Anterior Internal Fixation Alone: A Case Series

2005 ◽  
Vol 63 (5) ◽  
pp. 629-634 ◽  
Author(s):  
Hyun-Joong Yoon ◽  
Joe Rebellato ◽  
Eugene E. Keller
Keyword(s):  
Internal Fixation ◽  
Case Series ◽  
Le Fort I Osteotomy ◽  
Le Fort ◽  
Le Fort I

Apples and Oranges—Midface Hypoplasia and the Le Fort I Osteotomy in Cleft Lip and Palate Patients: A Classification Scheme and Treatment Protocol

2009 ◽  
Vol 46 (6) ◽  
pp. 613-620 ◽  
Author(s):  
Jacobo Felemovicius ◽  
Jesse A. Taylor
Keyword(s):  
Analysis Of Variance ◽  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
Treatment Protocol ◽  
Case Series ◽  
Le Fort I Osteotomy ◽  
Le Fort ◽  
Midface Hypoplasia ◽  
Le Fort I ◽  
Relapse Rates

Objective: To present a classification and treatment protocol for cleft lip and palate patients with midface hypoplasia. Design: Retrospective case series. Setting: Craniofacial center. Patients: The study included 133 patients with cleft lip and palate and maxillary hypoplasia treated with Le Fort I osteotomy between January 2000 and July 2006. Interventions: Modified Le Fort I osteotomy. Patients were divided into three groups based on the number of free-standing bony maxillary segments, and treatment was tailored to their deformity. Main Outcome Measures: Complications and long-term relapse rates. Results: The 133 patients underwent 142 operations with mean follow-up of 27 months. Mean horizontal advancement was 7.1 ± 1.9 mm, 6.5 ± 1.3 mm, 6.4 ± 1.6 mm, and 6.5 ± 1.3 mm for groups I, II, IIIA, and IIIB, respectively. Complications consisted of nine bony relapses, three hematomas, and two transitory neurosensory losses. Analysis of variance using number of maxillary pieces as the independent variable and millimeters of advancement as the dependent variable demonstrated no difference in the amounts that the groups were advanced (p  =  .23). Relapse rates for groups I, II, IIIA, and IIIB were 2/62 (3.2%), 5/53 (9.4%), 2/14 (14.3%), and 0/4 (0.0%), respectively. Analysis of variance did not demonstrate a statistical difference in relapse rates based on number of maxillary pieces. Conclusions: Cleft lip and palate patients can be classified into three groups based on the number of maxillary segments. Our classification system defines the differences among this diverse group of patients and also facilitates unique treatment of each group.

Soft tissue profile changes after Le Fort I osteotomy in UCLP patients

2000 ◽  
Vol 28 (1) ◽  
pp. 25-30 ◽  
Author(s):  
Arja Heliövaara ◽  
Jyri Hukki ◽  
Reijo Ranta ◽  
Aarne Rintala
Keyword(s):  
Soft Tissue ◽  
Le Fort I Osteotomy ◽  
Le Fort ◽  
Soft Tissue Profile ◽  
Profile Changes ◽  
Le Fort I

scholarly journals Cephalometric changes in nasopharyngeal area after anterior maxillary segmental distraction versus Le Fort I osteotomy in patients with cleft lip and palate

2018 ◽  
Vol 12 (03) ◽  
pp. 393-397 ◽  
Author(s):  
Soodeh Tahmasbi ◽  
Abdolreza Jamilian ◽  
Rahman Showkatbakhsh ◽  
Fereydoun Pourdanesh ◽  
Mohammad Behnaz
Keyword(s):  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
Le Fort I Osteotomy ◽  
Le Fort ◽  
Surgical Methods ◽  
Lateral Cephalograms ◽  
Significant Difference ◽  
Group B ◽  
Cephalometric Changes ◽  
Le Fort I

ABSTRACT Objective: The present study was designed to compare the effects of two surgical methods, anterior maxillary segmental distraction (AMSD) versus conventional Le Fort I osteotomy, on cephalometric changes of velopharyngeal area of patients with cleft lip and palate. Materials and Methods: This study was conducted on 20 CLP in two groups. The first group had classic Le Fort I maxillary advancement and the second group had AMSD with a modified hyrax as an intraoral tooth-borne distractor. In the second group, 1 week after the surgery, activation of hyrax screw was started with the rate of 2 times a day for about 10 days. Initial and final lateral cephalograms were traced and analyzed by OrthoSurgerX software. Results: The changes in variables evaluating velopharyngeal status showed a significant difference between the two groups. In Group A (conventional), the mean of nasopharyngeal area and Nasopharynx floor length showed a significant increase (P < 0.05) after the surgery, while in Group B (DO), the trend of changes was vice-versa. The changes in SNA, overjet, and soft-tissue convexity were similar in both groups. Conclusion: AMSD can improve facial profile, almost similar to the conventional Le Fort I advancement, while there is a significant decrease in nasopharyngeal; hereby there is no increase in the velopharyngeal sphincter.

scholarly journals Prognostic factors for maxillary sinus mucosal thickening following Le Fort I osteotomy: a retrospective analysis

2019 ◽  
Vol 41 (1) ◽  
Author(s):  
Masashi Iwamoto ◽  
Miki Watanabe ◽  
Masae Yamamoto ◽  
Masato Narita ◽  
Takashi Kamio ◽  
...  
Keyword(s):  
Prognostic Factors ◽  
Maxillary Sinus ◽  
Retrospective Analysis ◽  
Le Fort I Osteotomy ◽  
Le Fort ◽  
Le Fort I ◽  
Mucosal Thickening
Sign in / Sign up

Export Citation Format

Share Document