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Maxillomandibular

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https://www.readbyqxmd.com/read/28315965/evaluation-of-oral-manifestations-of-patients-with-mucopolysaccharidosis-iv-and-vi-clinical-and-imaging-study
#1
Renata Quirino de Almeida-Barros, Paula Frassinetti Vasconcelos de Medeiros, Marcella Quirino de Almeida Azevedo, Adriana de Oliveira Lira Ortega, Angela Toshie Araki Yamamoto, Sheyla Kátia Lúcio Dornelas, Patrícia Meira Bento
OBJECTIVE: The aim of this study is to assess oral manifestations in patients with mucopolysaccharidosis IV (MPS IVA) and mucopolysaccharidosis VI (MPS VI). MATERIALS AND METHODS: Seventeen patients were assessed, nine with MPS IVA and eight with MPS VI, treated at the Medical Genetics Outpatient Clinic of Hospital Universitário Alcides Carneiro (HUAC) in Campina Grande, Paraíba State, Brazil. Assessments included clinical and intraoral examinations, analysis of occlusal function, and panoramic X-rays...
March 19, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28294946/continuing-the-original-stanford-sleep-surgery-protocol-from-upper-airway-reconstruction-to-upper-airway-stimulation-our-first-successful-case
#2
Stanley Yung Liu, Robert Wayne Riley
In 1993, a surgical protocol for dynamic upper airway reconstruction in patients with obstructive sleep apnea (OSA) was published, and it became commonly known as the Stanford phase 1 and 2 sleep surgery protocol. It served as a platform on which research and clinical studies have continued to perfect the surgical care of patients with OSA. However, relapse is inevitable in a chronic condition such as OSA, and a subset of previously cured surgical patients return with complaints of excessive daytime sleepiness...
February 20, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28293491/disparities-in-utilization-of-jaw-surgery-for-treatment-of-sleep-apnea-a-nationwide-analysis
#3
Ravi K Garg, Ying Shan, Jeffrey A Havlena, Ahmed M Afifi
BACKGROUND: Maxillomandibular advancement has been shown to be one of the most effective operations for management of severe obstructive sleep apnea, yet pharyngeal surgery is more commonly performed. The goal of this study was to identify socioeconomic factors associated with this phenomenon. METHODS: Patients aged 14 or older with a primary hospital diagnosis of sleep apnea were identified using the National Inpatient Sample from 2005 to 2012. ICD9 codes were used to determine whether a pharyngeal or jaw procedure was performed...
December 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28258532/counterclockwise-maxillomandibular-advancement-a-choice-for-chinese-patients-with-severe-obstructive-sleep-apnea
#4
Silong Wei, Yong Zhang, Xiaojing Guo, Wenwen Yu, Meng Wang, Kan Yao, Hongxia Sun, Hua Zhang, Xiaofeng Lu
PURPOSE: Maxillomandibular advancement (MMA) is an effective alternative for treating severe obstructive sleep apnea (OSA). However, the promotion of MMA in China is limited by many Chinese patients having a convex facial profile. To achieve maximal upper airway enlargement without an esthetic disaster, we added counterclockwise rotation of the maxillomandibular complex (MMC) in the routine MMA. In this paper, we have evaluated the objective and subjective outcomes of this technology...
March 3, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28195897/base-of-skull-blocks-for-open-reduction-and-internal-fixation-of-faciomaxillary-fractures
#5
Sandeep Mehrotra, Sunil Anand
INTRODUCTION: Faciomaxillary fractures (FMF) occur in a significant proportion of trauma patients. Nearly all polytrauma patients and even those with isolated FMF are managed under general anesthesia for definitive management. We propose the use of regional nerve blocks as a safe and effective means for open reduction and fixation of isolated FMF. AIM AND OBJECTIVES: The aim is to evaluate the feasibility, effectiveness and safety of base of skull maxillomandibular and distal trigeminal nerve blocks in the management of FMF...
February 14, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28169263/comparison-of-soft-tissue-changes-in-simultaneous-maxillomandibular-distraction-with-mandibular-distraction-with-second-stage-maxillary-osteotomy
#6
S M Balaji, Preetha Balaji
BACKGROUND: The purpose of this study was to compare the frontal lip cant changes in common facial asymmetry (FA) cases after simultaneous maxillomandibular distraction osteogenesis (DO) and mandibular DO with maxillary orthognathic surgery. MATERIALS AND METHODS: Retrospective analysis of FA cases at tertiary craniofacial referral was performed. Patients of either gender with all medical imaging records and pre- and post-operative (1 year) facial photographs in natural head position were included in the study...
November 2016: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28159344/use-of-cad-cam-technology-for-the-fabrication-of-complete-dentures-an-alternative-technique
#7
Burak Yilmaz, Aysen Nekora Azak, Gülce Alp, Hilal Ekşi
Computer-aided design and computer-aided manufacturing (CAD-CAM) technology is available for the fabrication of complete dentures as an alternative to conventional fabrication techniques. This report describes a work flow for a technique that combines the use of conventional impressions and maxillomandibular relationship records with CAD-CAM technology for the fabrication of maxillary and mandibular complete dentures.
January 31, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28127978/surgical-treatment-of-condylar-head-fractures-the-way-to-minimize-the-postraumatic-tmj-ankylosis
#8
D Hirjak, V Machon, M Beno, B Galis, I Kupcova
Management of condylar head fractures (CHF) of the temporomandibular joint (TMJ) remains a source of controversy. Based on established literature, group of CHFs and conservative treatment connected with period of maxillomandibular fixation (MMF) increases the risk for TMJ ankylosis. This paper presents anatomical and functional results of surgical treatment of condylar head fractures in a group of 24 patients (29 joints). Fractures were diagnosed based on conventional radiographs and computed tomography (CT) scans...
2017: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/28123648/effectiveness-of-maxillomandibular-advancement-mma-surgery-in-sleep-apnea-treatment-case-report
#9
Otávio Ferraz, Thais M Guimarães, Rowdley R Rossi, Paulo A Cunali, Cibele Dal Fabbro, Cauby M Chaves, Milton Maluly, Lia Bittencourt, Sergio Tufik
Obstructive sleep apnea (OSA) is characterized by episodes of pharyngeal collapse during sleep. Craniofacial alterations such as retrognathia are often found in OSA patients. Maxillomandibular advancement (MMA) surgeries increase the pharyngeal space and are a treatment option for OSA. The aim of this study was to present a successful case of MMA surgery in the treatment of OSA. A patient with moderate OSA (apnea-hypopnea index (AHI)=25.2) and mandibular retrognathism and Maxillomandibular asymmetry underwent MMA surgery...
July 2016: Sleep Science
https://www.readbyqxmd.com/read/28111283/morphological-impact-on-patients-of-maxillomandibular-advancement-surgery-for-the-treatment-of-obstructive-sleep-apnea-hypopnea-syndrome
#10
Thibaut Beranger, Emilie Garreau, Joël Ferri, Gwenael Raoul
INTRODUCTION: The aim of this study is to evaluate the experience of patients who have benefited from maxillomandibular advancement surgery for the treatment of obstructive sleep apnea-hypopnea syndrome (OSAHS), and also the morphological modifications measured on pre- and postoperative lateral headfilms. PATIENTS AND METHODS: Twenty-three patients aged 24 to 64 (M=46.8) who had undergone bimaxillary advancement osteotomy for the treatment of OSAHS filled in a questionnaire concerning their overall satisfaction following surgery, the modification of their facial appearance as perceived by themselves and their family and friends, the change in their smile, and the slimmer and more youthful appearance of their face...
March 2017: International Orthodontics
https://www.readbyqxmd.com/read/28071714/three-dimensional-surgical-simulation-improves-the-planning-for-correction-of-facial-prognathism-and-asymmetry-a-qualitative-and-quantitative-study
#11
Cheng-Ting Ho, Hsiu-Hsia Lin, Eric J W Liou, Lun-Jou Lo
Traditional planning method for orthognathic surgery has limitations of cephalometric analysis, especially for patients with asymmetry. The aim of this study was to assess surgical plan modification after 3-demensional (3D) simulation. The procedures were to perform traditional surgical planning, construction of 3D model for the initial surgical plan (P1), 3D model of altered surgical plan after simulation (P2), comparison between P1 and P2 models, surgical execution, and postoperative validation using superimposition and root-mean-square difference (RMSD) between postoperative 3D image and P2 simulation model...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28067977/the-effect-of-teeth-in-mandibular-fracture-lines
#12
Aylin Sipahi Calis, Candan Efeoglu, Huseyin Koca
AIM: The decision to retain or extract teeth in the line of mandibular fractures has been a subject of debate in the scientific literature and there is a need for further evidence to clear this issue. Thus, the aim of this study was to investigate the effects on healing of teeth in the line of mandibular fractures in order to contribute to the field. MATERIAL AND METHODS: The case notes of 100 patients with teeth in the line of 106 mandibular fractures were reviewed...
January 9, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28063275/a-survey-of-sleep-medicine-physician-perceptions-on-the-surgical-treatment-of-obstructive-sleep-apnea
#13
Jonathan J Swope, Marcus A Couey, James W Wilson, Jonathon S Jundt
PURPOSE: Surgical treatment for obstructive sleep apnea (OSA) varies by specialty. Our survey sought to answer 3 principal questions: 1) To which surgical specialists are sleep physicians referring patients for upper airway surgery? 2) Which surgical treatment do sleep specialists find to be most effective in treating OSA? 3) Do sleep medicine physicians believe that maxillomandibular advancement (MMA) is worthwhile to patients who are surgical candidates? MATERIALS AND METHODS: We formulated a cross-sectional survey...
December 18, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28062177/maxillomandibular-advancement-for-obstructive-sleep-apnea-syndrome-treatment-long-term-results
#14
Aurélie Vigneron, Renaud Tamisier, Emmanuelle Orset, Jean-Louis Pepin, Georges Bettega
PURPOSE: We evaluated the long term effectiveness of maxillomandibular advancement (MMA) for OSAS treatment patients. This retrospective study reviewed the patients treated by MMA for OSAS between 1995 and 2009. They were evaluated by complete polysomnography, cephalometry and quality of life questionnaire. The minimum follow up was 3 years. Success rate was defined by an IAH <10 with at least a 50% reduction. MATERIAL AND METHODS: 88 patients had MMA during this period...
December 7, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28005735/subtypes-of-maxillomandibular-advancement-surgery-for-patients-with-obstructive-sleep-apnea
#15
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/27997447/combined-counterclockwise-maxillomandibular-advancement-and-uvulopalatopharyngoplasty-surgeries-for-severe-obstructive-sleep-apnea
#16
Wenwen Yu, Meng Wang, Jiande He, Liyan Lu, Ming Cai, Hongxia Sun, Xiaofeng Lu
As the most effective surgical technique maxillomandibular advancement (MMA) has been used to treat severe obstructive sleep apnea (OSA) in adults, particularly for those who are intolerant of continuous positive airway pressure. Yet for large-scale advancement, it is faced with esthetic problems with marked skeletal protrusion especially for people with convex facial profile. In this study, the authors performed counterclockwise MMA combined with quantified uvulopalatopharyngoplasty (UPPP) surgeries on Chinese adult patients with severe OSA, in order to initially explore the efficacy of these procedures on Chinese populations and provide evidence for esthetic advantages...
March 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27978554/technical-and-clinical-considerations-for-facial-feminization-surgery-with-rhinoplasty-and-related-procedures
#17
Raúl J Bellinga, Luis Capitán, Daniel Simon, Thiago Tenório
Importance: Together with the forehead reconstruction, feminization of the nose is one of the most common procedures in facial feminization surgery. Rhinoplasty surgical techniques, which provide correct support and stability in the midterm to long term, are essential for obtaining a predictable result. Objective: To report on the technical and clinical considerations of rhinoplasty and related procedures to feminize the nose, harmonize the nose in relation to the other modified structures (mainly the forehead and maxillomandibular complex), and achieve an aesthetic result beyond gender differences...
December 15, 2016: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/27977486/assessment-of-the-postoperative-stability-of-mandibular-orthognathic-surgery-for-correction-of-class-iii-skeletal-malocclusion
#18
Giuliano Henrique Mião Luchi, Ricardo Augusto Conci, Flavio Henrique Silveira Tomazi, Rosana da Silva Berticelli, Michel Martins Guarenti, Guilherme Genehr Fritscher, Cláiton Heitz
To assess the stability of mandible position after orthognathic surgery for correction of class III skeletal malocclusion. Twenty adult males, aged 18 to 40 years, with Angle class III skeletal malocclusion underwent preoperative orthodontic treatment for elimination of dental compensations followed by combined maxillomandibular surgery with rigid internal fixation. Lateral cephalograms from each patient, obtained in the natural head position before surgery, immediately after surgery, and at 6-month follow-up, were retrieved from the files of the Pontifical Catholic University of Rio Grande do Sul outpatient Oral and Maxillofacial Surgery clinic and compared...
January 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27974977/total-cad-cam-supported-method-for-manufacturing-removable-complete-dentures
#19
Arthur Furtado de Mendonça, Mario Furtado de Mendonça, George Shelby White, Georges Sara, Darren Littlefair
The incorporation of computer-aided design/computer-aided manufacturing (CAD/CAM) technology into complete denture fabrication brings about several advantages to the fabrication process, providing better predictability of the desired outcomes and high accuracy of denture fit, mainly because the milling of prepolymerized acrylic resin eliminates the shrinkage of the acrylic base. Also, there is a decrease in the porosity when compared to a conventionally processed denture, and consequently there is a decrease in the retention of Candida albicans on the denture base...
2016: Case Reports in Dentistry
https://www.readbyqxmd.com/read/27957370/refractory-obstructive-sleep-apnea-in-a-patient-with-diffuse-idiopathic-skeletal-hyperostosis
#20
Ara Darakjian, Ani B Darakjian, Edward T Chang, Macario Camacho
Diffuse Idiopathic Skeletal Hyperostosis (DISH) can cause ossification of ligaments and may affect the spine. We report a case of obstructive sleep apnea in a patient with significant upper airway narrowing secondary to cervical DISH. This patient had an initial apnea-hypopnea index (AHI) of 145 events/hour and was treated with uvulopalatopharyngoplasty, genial tubercle advancement, hyoid suspension, septoplasty, inferior turbinoplasties, and radiofrequency ablations to the tongue base which reduced his AHI to 40 events/hour...
2016: Case Reports in Otolaryngology
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