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https://www.readbyqxmd.com/read/28116995/treatment-of-a-class-2-skeletal-malocclusion-with-degenerative-arthritis-of-the-condyles-using-custom-made-temporomandibular-joint-replacements-and-genioplasty
#1
Kersten Webster, Grant McIntyre, Sean Laverick, Philip McLoughlin, Catherine Tothill
This case report presents the use of custom-made temporomandibular joint prostheses in the treatment of a class 2 malocclusion secondary to juvenile idiopathic arthritis. The patient had degeneration of the mandibular condyles with associated arthropathy and dentofacial deformity. Conventional orthognathic treatment was considered, but would not address the arthropathy. The orthognathic movements were accounted for in the design of the prosthesis and the patient's arthralgia, functional limitations and aesthetics were addressed...
January 24, 2017: Journal of Orthodontics
https://www.readbyqxmd.com/read/28116432/-partial-recovery-of-thermal-sensory-functions-in-skeletal-class-%C3%A2-patients-undergoing-orthognathic-surgery
#2
Xin-Yu Gu, Jing-Lu Zhang, Dong Lv, Wen-Jing Chen
PURPOSE: To clarify whether trigeminal somatosensory function will be changed after orthodontic treatment as well as after orthognathic surgery. METHODS: A series of 20 patients with a mean age of 20.9±1.74 years were recruited. Thermal quantitative sensory tests were conducted before orthodontic treatment (T0), before orthognathic surgery (T1), 2 months after orthognathic surgery (T2), and 6 months after orthognathic surgery (T3). The cold detection threshold (CDT), cold pain threshold (CPT), warm detection threshold (WDT) and heat pain threshold (HPT) were determined...
October 2016: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/28060198/the-appropriate-retractors-for-genioplasty
#3
Mingcan Zhao, Guomin Wu
Mental nerve (MN) injury is the most common complications of genioplasty; to protect the MN and oral mucosa, the authors invent and validate the appropriate retractors for genioplasty, and which can avoid the skin and mucous membrane of the lower lip, chin, and the vestibular gingiva of the mandibular incisor from paresthesia or dysesthesia. The patent application for the appropriate retractors for genioplasty is already submitted (Patent No 201610164563.3, China). The retractors provide a better surgical visual field and improve the operation efficiency while reducing the risk of surgery...
January 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28045830/advancing-and-lengthening-genioplasty-in-contouring-of-the-receding-and-short-chin
#4
Ce Zhang, Luyi Zhao, Chao-Ran Li, Yoong-Hoon Shim, Dejun Cao
BACKGROUND: In East Asia, receding and short chin are common complaints of patients who do not have satisfied lower face. In most former studies, receding and short chin are considered and treated separately. But during the clinical work, the authors found that, in many patients, neither vertical elongation nor horizontal advancement of the chin is sufficient to achieve a harmonious result. In regards of this problem, the authors performed an advancing and lengthening genioplasty and the results were aesthetically satisfactory...
December 30, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28043709/-facial-feminization-surgery%C3%A2-%C3%A2-middle-and-inferior-thirds
#5
F Boucher, A Gleizal, A Mojallal, J-T Bachelet
The authors present the surgical techniques of facial feminization of the middle third and the inferior third in the context of sexual reassignment surgery. These techniques adapted to patients 'male to female' are proposed to strong masculine facial features of patients and are based in the middle third of the remodeling of the malar region by fat grafting, reduction and/or deprojection techniques in rhinoseptoplasty and upper lip surgery. Concerning the inferior third, remodeling of the mandibular angles, genioplasty and chondrolaryngoplasty are adapted...
December 30, 2016: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/28032198/evaluation-of-ultrasonic-and-conventional-surgical-techniques-for-genioplasty-combined-with-two-different-osteosynthesis-plates-a-cadaveric-study
#6
Stephan Christian Möhlhenrich, Nassim Ayoub, Ulrike Fritz, Andreas Prescher, Frank Hölzle, Ali Modabber
OBJECTIVES: The aim of this study was to compare genioplasties performed using traditional saw or piezosurgery combined with different osteosynthesis plates. MATERIALS AND METHODS: Thirty-two genioplasties were first performed on fresh human cadavers using a saw or piezosurgery, followed by chin osteosynthesis with bending or pre-shaped plates. The time required for osteotomy and plate fixation was measured, and the suprahyoid pedicle was inspected. RESULTS: The mean time required was 204 s (SD 43) with the saw and 52 s (SD 67) with piezosurgery...
December 28, 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28005826/porous-polyethylene-implant-as-aesthetic-complement-in-orthognathic-surgery
#7
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...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28005743/computer-image-guided-template-for-horizontal-advancement-genioplasty
#8
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...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28005735/subtypes-of-maxillomandibular-advancement-surgery-for-patients-with-obstructive-sleep-apnea
#9
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...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27995120/tonsillectomy-as-prevention-and-treatment-of-sleep-disordered-breathing-a-report-of-23-cases
#10
Jae-Man Woo, Jin-Young Choi
BACKGROUND: The paradigm of tonsillectomy has shifted from a treatment of recurrent throat infection to one of multi-discipline management modalities of sleep-disordered breathing (SDB). While tonsillectomy as a treatment for throat problems has been performed almost exclusively by otorhinolaryngologists, tonsillectomy as a part of the armamentarium for the multifactorial, multidisciplinary therapy of sleep-disordered breathing needs a new introduction to those involved in treating SDB patients...
December 2016: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27958596/lipofilling-as-refinement-procedure-in-maxillo-mandibular-malformations
#11
D Cervelli, G Gasparini, A Moro, S Pelo, E Foresta, F Grussu, G D'Amato, P De Angelis, G Saponaro
Maxillo-mandibular asymmetry has numerous aetiologies: congenital, traumatic, iatrogenic and post-oncologic. Patients with congenital dentofacial malformations are generally submitted to orthognathic surgery and/or additional procedures (genioplasty, alloplastic implants) with satisfactory results. However, despite achieving skeletal symmetry, noticeable facial asymmetry may persist.This study was performed in 45 patients (29 women and 16 men) operated between December 2012 and June 2014. All patients were affected by maxilla-mandibular asymmetry and underwent orthognatic surgery for hard tissue correction of the deformity...
October 2016: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/27956141/slotplates-revisited-a-retrospective-analysis
#12
Brandaan G R Zigterman, Maurice Y Mommaerts
CONTEXT: Slotplates were specifically designed to meet the special requirements of corrective surgeries of the facial skeleton. This design enables small readjustments of bone fragments in the midface and chin area during surgery without complete removal of plates and screws. OBJECTIVE, DESIGN, AND SETTING: The aim of this study was to compare morbidity rates of slotplates versus meshplates after Le Fort I osteotomy, genioplasty and/or zygoma 'sandwich' osteotomy performed in a tertiary care centre...
November 2, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27930468/the-appropriative-retractors-for-genioplasty
#13
Mingcan Zhao, Guomin Wu
Mental nerve (MN) injury is the most common complications of genioplasty; to protect the MN and oral mucosa, the authors invent and validate the appropriative retractors for genioplasty, and which can avoid the skin and mucous membrane of the lower lip, chin, and the vestibular gingiva of the mandibular incisor from paresthesia or dysesthesia. The patent application for the appropriative retractors for genioplasty is already submitted (Patent No 201610164563.3, China). The retractors provide a better surgical visual field and improve the operation efficiency while reducing the risk of surgery...
December 7, 2016: Journal of Craniofacial Surgery
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
Hianne Miranda Torres, José Valladares-Neto, Érica Miranda 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...
January 2017: 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
#20
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...
January 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
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