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Genioplasty

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https://www.readbyqxmd.com/read/27896214/a-case-of-severe-mandibular-retrognathism-with-bilateral-condylar-deformities-treated-with-le-fort-i-osteotomy-and-two-advancement-genioplasty-procedures
#1
Masahiro Nakamura, Takeshi Yanagita, Tatsushi Matsumura, Takashi Yamashiro, Seiji Iida, Hiroshi Kamioka
We report a case involving a young female patient with severe mandibular retrognathism accompanied by mandibular condylar deformity that was effectively treated with Le Fort I osteotomy and two genioplasty procedures. At 9 years and 9 months of age, she was diagnosed with Angle Class III malocclusion, a skeletal Class II jaw relationship, an anterior crossbite, congenital absence of some teeth, and a left-sided cleft lip and palate. Although the anterior crossbite and narrow maxillary arch were corrected by interceptive orthodontic treatment, severe mandibular hypogrowth resulted in unexpectedly severe mandibular retrognathism after growth completion...
November 2016: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/27806755/-clinical-application-and-accuracy-of-the-genioplasty-surgical-templates-system-for-osseous-genioplasty
#2
B Li, H P Wei, T F Jiang, S Y Shen, G F Shen, X D Wang
Objective: To develop and validate a new genioplasty templates system for monoblock osseous genioplasty. Methods: Thirty-six patients with chin deformities were enrolled in this study. The chin template system included a cutting guide and a repositioning guide for a genioplasty. Chin templates were designed in a computer and fabricated using a three-dimensional printing technique. The accuracy of the genioplasty templates were assessed by comparing the actual postoperative outcomes with the virtual plan. Results: All genioplasty was successfully completed by the template system...
November 9, 2016: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/27755406/porous-polyethylene-implant-as-aesthetic-complement-in-orthognathic-surgery
#3
Juliana Dreyer da Silva de Menezes, Lucas Borin Moura, Renato Parsekian Martins, Eduardo Hochuli-Vieira
Porous polyethylene implants have been used as an alternative in the treatment of patients with zygomatic and paranasal projections deficiency. These implants promote a facial rejuvenating effect due to the attenuation of the nasal and chin prominences. The advantages of porous polyethylene include biocompatibility, dimensional stability, easy adaptation and fixation, low complication rate, and its availability in different sizes and shapes. A 27-year-old woman presenting vertical deficiency associated with midface hypoplasia was treated with orthognathic surgery...
October 14, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27746257/surgical-site-infections-following-bimaxillary-orthognathic-osseous-genioplasty-and-intranasal-surgery-a%C3%A2-retrospective-cohort-study
#4
Jeffrey C Posnick, Elbert Choi, Anish Chavda
PURPOSE: Frequency estimates of surgical site infection (SSI) after orthognathic surgery vary considerably. The purpose of this study was to determine the incidence and site of SSIs and associated risk factors after bimaxillary orthognathic, osseous genioplasty, and intranasal surgery. MATERIALS AND METHODS: The authors executed a retrospective cohort study of patients with a bimaxillary developmental dentofacial deformity (DFD) and symptomatic chronic obstructive nasal breathing...
September 20, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27738612/ectopic-ciliated-cyst-in-the-mandible-secondary-to-genioplasty-and-lefort-after-two-years-a-case-report-and-literature-review
#5
Safoura Seifi, Shabnam Sohanian, Oveis Khakbaz, Farida Abesi, Fatemeh Aliakbarpour, Arezoo Rayani
INTRODUCTION: The ectopic ciliated cyst is a rare non-odontogenic cyst which occurs as a delayed complication after maxillary sinus radical surgery; this lesion emerges due to the destruction of the sinus mucosa during the surgery and entrapment of the respiratory epithelium in the region. This lesion has been observed in very rare cases following genioplasty and bimaxillary orthognathic surgery. CASE REPORT: We reported a case of the ectopic ciliated cyst in in the mandible of a 37-year-old Iranian woman following genioplasty and Lefort 1 surgery after 2 years...
September 2016: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/27728776/effect-of-genioplasty-on-the-pharyngeal-airway-space-following-maxillomandibular-advancement-surgery
#6
Hianne Miranda de Torres, José Valladares-Neto, Érica Miranda de Torres, Rogério Zambonato Freitas, Maria Alves Garcia Silva
PURPOSE: To evaluate the effect of genioplasty on the size of the pharyngeal airway space (PAS) in a sample of patients without obstructive sleep apnea syndrome (OSAS) undergoing maxillomandibular advancement (MMA) surgery. MATERIALS AND METHODS: Lateral cephalometric radiographs of 52 patients who underwent orthognathic surgery for MMA were obtained before (T1) and after (T2) surgery. The radiographs were digitized and the anteroposterior dimensions of the PAS were measured at the nasopharynx, oropharynx, and hypopharynx levels...
September 15, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27720661/comparison-of-intraoperative-blood-loss-between-four-different-surgical-procedures-in-the-treatment-of-bimaxillary-protrusion
#7
Yu-Chuan Tseng, Chun-Chan Ting, Yu-Hsun Kao, Chun-Ming Chen
OBJECTIVE: This study was aimed at investigating the correlation between intraoperative blood loss and operation-related factors in the treatment of bimaxillary protrusion with four different procedures. STUDY DESIGN: Ninety-four patients were separated into the following four surgical groups: group 1: anterior subapical osteotomy of the maxilla (ASO Mx) + bilateral parasymphyseal osteotomy of the mandible (BPsO Md) + genioplasty (GeP); group 2: ASO Mx + BPsO Md; group 3: ASO Mx + ASO Md + GeP; and group 4: ASO Mx + ASO Md...
September 13, 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/27720459/skeletal-surgery-for-obstructive-sleep-apnea
#8
José E Barrera
Multilevel surgery has been established as the mainstay of treatment for the surgical management of obstructive sleep apnea (OSA). Combined with uvulopalatopharyngoplasty, tongue-base surgeries, including the genioglossus advancement (GA), sliding genioplasty, and hyoid myotomy and suspension, have been developed to target hypopharyngeal obstruction. Total airway surgery consisting of maxillomandibular advancement (MMA) with/without GA has shown significant success. Skeletal procedures for OSA with or without a palatal procedure is a proven technique for relieving airway obstruction during sleep...
October 6, 2016: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/27692993/-craniofacial-strategy-for-syndromic-craniosynostosis
#9
E Arnaud, G Paternoster, S James, M-P Morisseau-Durand, V Couloigner, P Diner, C Tomat, V Viot-Blanc, B Fauroux, V Cormier-Daire, G Baujat, M Robert, A Picard, S Antunez, R Khonsari, L Pamphile-Tabuteau, C Legros, M Zerah, P Meyer
The complexity of treatment of faciocraniosynostosis justifies the treatment in a reference center for rare diseases. The growth disturbances in the skull and face being variable according to the type of mutation in the FGFr (Crouzon, Pfeiffer, Apert), the strategy is adapted to the phenotype according to the following principles: posterior expansion with or without distraction around 6 months to limit the descent of the cerebellum tonsils and to prevent the turricephalic development; fronto-facial monobloc advancement with internal distraction around the age of 18 months in case of severe exorbitism or breathing impairment...
October 2016: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/27680522/choosing-the-best-procedure-to-augment-the-chin-is-anything-better-than-an-implant
#10
Jonathan M Sykes, Rebecca Fitzgerald
The chin plays a very important role in overall facial appearance, and aesthetic procedures to augment the chin in patients with microgenia can improve overall facial balance. Many procedures exist to enhance the appearance of a small chin. Procedures include surgeries such as placement of an alloplast implant and bony osteotomy of the mentum (sliding genioplasty). The advantages and disadvantages of each surgical technique are well documented. Although surgical augmentation of the chin has been the gold standard of therapy, recent development of injectable filler products with lifting capacity has changed the way that many practitioners alter chin shape and size...
October 2016: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/27622111/correction-of-facial-deformity-in-sturge-weber-syndrome
#11
Kazuaki Yamaguchi, Daniel Lonic, Chit Chen, Lun-Jou Lo
BACKGROUND: Although previous studies have reported soft-tissue management in surgical treatment of Sturge-Weber syndrome (SWS), there are few reports describing facial bone surgery in this patient group. The purpose of this study is to examine the validity of our multidisciplinary algorithm for correcting facial deformities associated with SWS. To the best of our knowledge, this is the first study on orthognathic surgery for SWS patients. METHODS: A retrospective chart review included 2 SWS patients who completed the surgical treatment algorithm...
August 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/27617819/computer-image-guided-template-for-horizontal-advancement-genioplasty
#12
Jia Qiao, Xi Fu, Lai Gui, Sabine Girod, Gordon K Lee, Feng Niu, Jianfeng Liu
BACKGROUND: Horizontal advancement genioplasty can be extremely rewarding for microgenia. However, it is challenging for even very experienced surgeon to determine the three-dimensional position of the distant bone fragment during the operation. This study aimed to apply and evaluate computer-aided design (CAD) and computer-aided manufacturing techniques for horizontal advancement genioplasty to improve surgical accuracy. METHODS: Seven patients with microgenia were prospectively enrolled in the study...
September 9, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27617808/subtypes-of-maxillomandibular-advancement-surgery-for-patients-with-obstructive-sleep-apnea
#13
Won-June Lee, Dong-Hyun Hwang, Stanley Yung-Chuan Liu, Su-Jung Kim
Maxillomandibular advancement (MMA) surgery, which is the most effective treatment modality for patients with moderate-to-severe obstructive sleep apnea with apparent skeletal discrepancies, has been modified in conjunction with segmental osteotomies, counterclockwise rotation of maxillomandibular complex, and other adjunctive procedures. However, any single type of MMA could not treat or cure all the patients with obstructive sleep apnea showing different dentofacial and pharyngeal patterns. We aimed to suggest critical decision factors for the selective application of MMA subtypes, categorized as straight MMA with genioplasty, rotational MMA, segmental MMA, and segmental-rotational MMA, in the surgical treatment objective process: anteroposterior position of maxilla, upper lip projection, overjet, lower incisor inclination as sagittal factors, and upper incisor exposure and occlusal plane angle as vertical factors...
September 9, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27614813/surgical-correction-without-bone-grafts-of-maxillofacial-asymmetric-deformities-in-patients-treated-for-unilateral-temporomandibular-joint-ankylosis
#14
Yao Liu, Wen Du, Jing Hu, Chuhang Liao, Wei Fei, En Luo
OBJECTIVE: With the inclusion criteria of patients confirmed and the therapeutic effects and stability evaluated, this article presents the clinical value of bimaxillary orthognathic surgery without bone graft of maxillofacial asymmetric deformities in patients treated for unilateral temporomandibular joint (TMJ) ankylosis. STUDY DESIGN: From 2008 to 2012, 12 patients with dentomaxillofacial asymmetric deformities secondary to unilateral TMJ ankylosis who had undergone TMJ reconstruction as the primary surgery were included in the study...
November 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/27546467/genial-tubercle-advancement-and-genioplasty-for-obstructive-sleep-apnea-a-systematic-review-and-meta-analysis
#15
Sungjin A Song, Edward T Chang, Victor Certal, Michael Del Do, Soroush Zaghi, Stanley Yung Liu, Robson Capasso, Macario Camacho
OBJECTIVE: To perform a systematic review and meta-analysis for studies evaluating genioplasty alone, genial tubercle advancement (GTA) alone, and GTA with hyoid surgery (GTA-HS) to treat obstructive sleep apnea (OSA). DATA SOURCES: Ten databases. REVIEW METHODS: Three authors searched through November 15, 2015. RESULTS: 1,207 studies were screened; 69 were downloaded; and 13 studies met inclusion criteria. A total of 111 patients were included, with 27 standard genioplasty, 10 modified genioplasty, 24 GTA, and 50 GTA-HS patients...
August 22, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27465190/improved-short-term-outcomes-following-orthognathic-surgery-are-associated-with-high-volume-centers
#16
Nicholas L Berlin, Charles T Tuggle, Derek M Steinbacher
BACKGROUND: Previous studies assessing outcomes following orthognathic surgery rely primarily on single-center/surgeon experience. In addition to issues of generalizability, these studies are limited in evaluating the effect of operative volume on patient outcomes. METHODS: Orthognathic procedures were identified in the 1999 to 2011 Healthcare Cost and Utilization Project Nationwide Inpatient Sample. Outcomes included occurrence of any in-hospital complication, extended length of stay (>2 days), and increased costs (>$10,784)...
August 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27358005/-aesthetic-success-in-genioplasties-procedures-criteria
#17
Monique Raberin
Maxillomandibular dysmorphia may be associated with structural chin pathologies. Three-dimensional jaws displacements have limits. Specific genioplasty is an additional surgical mean for soft tissues profile normalization. Osteotomy line is examined according an incline angle and a possible lateral extension, as chin wing technique, improves facial shape. Cephalometric set-up with R line analyzes surgical chin movements and impact of lower incisors labial inclination on lower lip and mentolabial fold after advancement genioplasty...
June 2016: L' Orthodontie Française
https://www.readbyqxmd.com/read/27358003/-functional-genioplasty-in-growing-patients
#18
Sylvain Chamberland, William R Proffit, Pier-Eric Chamberland
Objective - To evaluate the role of age as a moderator of bone regeneration patterns and symphysis remodeling after genioplasty. Method - Fifty-four patients who underwent genioplasty at the end of their orthodontic treatment were divided into three age groups: younger than 15 years at the time of surgery (group 1), 15 to 19 years (group 2), and 20 years or older (group 3). Twenty-three patients who did not accept genioplasty and had a follow-up radiograph two years after the end of their orthodontic treatment were used as a control group...
June 2016: L' Orthodontie Française
https://www.readbyqxmd.com/read/27318923/-transpalatal-modified-le-fort-i-osteotomy-for-correction-of-maxillary-hypoplasia-in-cleft-lip-and-palate-patients-a-preliminary-clinical-application
#19
Y Wu, Z L Li, X Wang, B Yi, L Ma
OBJECTIVE: To evaluate the surgical corrective results of maxillary hypoplasia in patients with cleft lip and palate withtranspalatal modified Le Fort I osteotomy. METHODS: In the study, 11 patients (4 women, and 7 men) with maxillary hypoplasia secondary to cleft lip and palate underwent transpalatal modified Le Fort I osteotomy at Peking University School of Stomatology from Jan. 2012 to Dec. 2013,with the mean age of 21 years ( from 18 to 27 years), Bilateral sagittal split ramus osteotomy (BSSRO)and genioplasty were performed simultaneously in 9 of them for better appearance and functional occlusion...
June 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/27317160/prevalence-and-risk-factors-of-tooth-discolouration-after-orthognathic-surgery-a-retrospective-study-of-1455-patients
#20
U-L Lee, E-J Lee, H-Y Seo, S-H Han, W-C Choi, Y-J Choi
This study was conducted to evaluate the prevalence of tooth discolouration and to examine the factors that may pose a higher risk for tooth discolouration after orthognathic surgery. This was a retrospective study of 1455 orthognathic surgeries. The following data were collected for analysis: presence of discoloured teeth, sex, age at operation, the extent of the surgical displacement of the maxilla, and whether patients had undergone genioplasty, zygomaplasty, or descending palatine artery (DPA) ligation...
November 2016: International Journal of Oral and Maxillofacial Surgery
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