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https://www.readbyqxmd.com/read/29406261/comparison-of-the-effects-of-ultrasonic-and-conventional-surgery-on-the-neurosensory-disturbance-after-bilateral-sagittal-split-osteotomy
#1
Shinya Kokuryo, Manabu Habu, Ryosuke Kita, Takeshi Katsuki, Kazuhiro Tominaga, Izumi Yoshioka
PURPOSE: According to the literature, ultrasonic surgery reduces the incidence of neurosensory disturbance (NSD) of the inferior alveolar nerve (IFAN) after bilateral sagittal split osteotomy (BSSO). The purpose of this study was to evaluate the effects of ultrasonic surgery and the anatomic position of the IFAN canal on NSD after BSSO. PATIENTS AND METHODS: This retrospective cohort study included skeletal mandibular prognathism cases operated on with an ultrasonic bone scalpel or a reciprocating saw...
January 3, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29353372/the-variable-position-of-the-inferior-alveolar-nerve-ian-in-the-mandibular-ramus-a-computed-tomography-ct-study
#2
Andrew Y E Yeh, Brian P Finn, Robert H B Jones, Alastair N Goss
INTRODUCTION: This study was designed to quantify the important anatomical landmarks and the path of the inferior alveolar nerve (IAN) within the human mandibular body and ramus, in particular with reference to the bilateral sagittal split osteotomy (BSSO). MATERIALS AND METHODS: Four hundred and eleven CT scans were studied, 299 of these were involved in determining the position of lingula; and 230 were involved in determining the course of IAN in the mandibular molar region, namely from the mesial of the mandibular first molar to the distal of the mandibular second molar; 118 were involved with both measurements...
January 20, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29133198/study-of-the-mechanical-reliability-of-an-s-shaped-adjustable-osteosynthesis-plate-for-bilateral-sagittal-split-osteotomies-study-on-15-consecutive-cases
#3
A Veyssiere, N Leprovost, B Ambroise, R Prévost, A Chatellier, H Bénateau
INTRODUCTION: The main challenge during the osteosynthesis of a bilateral sagittal split osteotomy (BSSO) is to take into account the correct position of the condyle. Adjustable plates can be used to fine-tune the final occlusion without changing the osteosynthesis. A new type of adjustable plate is presented in this article. The aim is to assess the mechanical reliability of this system during the surgery and during the healing period, thanks to a preliminary prospective on 15 consecutive cases...
November 10, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29116013/the-influence-of-dexamethasone-on-postoperative-swelling-and-neurosensory-disturbances-after-orthognathic-surgery-a-randomized-controlled-clinical-trial
#4
W Semper-Hogg, M A Fuessinger, T W Dirlewanger, C P Cornelius, M C Metzger
BACKGROUND: Orthognathic surgery is associated with considerable swelling and neurosensory disturbances. Serious swelling can lead to great physical and psychological strain. A randomized, prospective, controlled clinical trial was realized in order to evaluate the effect of a preoperative intravenous dexamethasone injection of 40 mg on postoperative swelling and neurosensory disturbances after orthognathic surgery. METHODS: Thirty-eight patients (27 male and 11 female) patients, all with the indication for an orthognathic surgery, were enrolled in this study (mean age: 27...
November 7, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/29108917/subcranial-and-orthognathic-surgery-for-obstructive-sleep-apnea-in-achondroplasia
#5
Srinivas M Susarla, Gerhard S Mundinger, Hitesh Kapadia, Mark Fisher, James Smartt, Christopher Derderian, Amir Dorafshar, Richard A Hopper
PURPOSE: Obstructive sleep apnea (OSA) is a common problem in patients with achondroplasia. The purpose of this study was to assess changes in airway volumes following various degrees of facial skeletal advancement. METHODS: This was a retrospective evaluation of patients with achondroplasia who underwent facial skeletal advancement for obstructive sleep apnea. Patients were treated with either an isolated Le Fort III distraction (LF3) or Le Fort II distraction with or without subsequent Le Fort I and bilateral sagittal split osteotomies (LF2 ± LF1/BSSO)...
October 5, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29055570/surgical-and-social-implications-of-extraction-of-mandibular-third-molars-as-a-separate-procedure-before-bilateral-sagittal-split-osteotomy
#6
L Morton, I Downie
In some units, lower wisdom teeth are extracted in a separate procedure before bilateral sagittal split osteotomy (BSSO), whereas in others they are removed at the time of the osteotomy. We identified 57 patients who had BSSO at Salisbury Hospital between October 2013 and September 2015, 40 of whom had their wisdom teeth extracted at the same time. The remaining 17 did not have wisdom teeth. Patients who have these teeth extracted as a separate procedure require at least one day off work, which can result in a loss of earnings...
November 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/29038628/pre-operative-assessment-of-anatomical-position-of-inferior-alveolar-nerve-and-its-significance-in-bilateral-sagittal-split-osteotomy
#7
Khadar Vali Shaik, A P Mohan, Jeevan Kumar, Haripriya Chari
The aim of this study is to investigate the position and course of the mandibular canal through the ramus, angle and body of mandible using computed tomographic (CT) imaging pre-operatively and to relate these predetermined values intra-operatively to perform sagittal split ramus osteotomies. Pre-operative CT scans were taken and four points were marked at mandibular foramen, mandibular angle, mandibular body and midpoint and different dimensions of IAN were measured to localize the inferior alveolar nerve...
December 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/29030276/dental-occlusal-surface-supported-titanium-guide-to-assist-cutting-and-drilling-in-mandibular-bilateral-sagittal-split-osteotomy
#8
C Savoldelli, C Vandersteen, O Dassonville, J Santini
INTRODUCTION: Cutting and drilling guides manufactured using computer-aided design/computer-aided manufacturing (CAD/CAM) technologies have attracted increasing interest in orthognathic surgery, particularly in complex cases. The development of these guides requires virtual surgery planning and three-dimensional modelling before they can be printed in titanium, polyamide or resin. We report the use of a personalized titanium device to assist bilateral sagittal split osteotomy (BSSO) with or without genioplasty combined with individual implants for repositioning and fixation...
October 13, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29024621/is-atypical-swallowing-associated-with-relapse-in-orthognathic-patients-a-retrospective-study-of-256-patients
#9
Jean-Marc Foletti, Gregory S Antonarakis, Camille Galant, Delphine S Courvoisier, Paolo Scolozzi
PURPOSE: To determine the association of atypical swallowing (AS) with relapse in patients undergoing combined orthodontic and orthognathic treatment. MATERIALS AND METHODS: In this retrospective cohort study, the clinical data of all patients who underwent combined surgical and orthodontic treatment from 1998 through 2015 at the University Hospital of Geneva (Geneva, Switzerland) were reviewed. The primary outcome variables were 1) AS and 2) post-treatment relapse...
September 15, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28963868/use-of-bone-grafts-or-modified-bilateral-sagittal-split-osteotomy-technique-in-large-mandibular-advancements-reduces-the-risk-of-persisting-mandibular-inferior-border-defects
#10
Julio Cifuentes, Nicolás Yanine, Daniel Jerez, Ariel Barrera, Jimoh Olubanwo Agbaje, Constantinus Politis
PURPOSE: Healing of the inferior border of the mandible can be compromised in large advancements, leaving an unesthetic defect at the inferior border. The objective of this study was to compare different bilateral sagittal split osteotomy (BSSO) techniques to prevent the incidence of lower border mandibular defects. MATERIALS AND METHODS: The authors undertook a retrospective multicenter cohort study comparing 3 BSSO techniques for advancements greater than 5 mm: traditional non-grafted BSSO (group A), traditional grafted BSSO (group B), and modified BSSO (group C)...
September 11, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28936287/evaluation-of-orthognathic-surgery-on-articular-disc-position-and-temporomandibular-joint-symptoms-in-skeletal-class-ii-patients-a-magnetic-resonance-imaging-study
#11
Gholamreza Firoozei, Shirin Shahnaseri, Hasan Momeni, Parisa Soltani
BACKGROUND: The purpose of orthognathic surgery is to correct facial deformity and dental malocclusion and to obtain normal orofacial function. However, there are controversies of whether orthognathic surgery might have any negative influence on temporomandibular (TM) joint. The purpose of this study was to evaluate the influence of orthognathic surgery on articular disc position and temporomandibular joint symptoms of skeletal CI II patients by means of magnetic resonance imaging. MATERIAL AND METHODS: For this purpose, fifteen patients with skeletal CI II malocclusion, aged 19-32 years (mean 23 years), 10 women and 5 men, from the Isfahan Department of Oral and Maxillofacial Surgery were studied...
August 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28927954/systematic-three-dimensional-analysis-of-wafer-based-maxillary-repositioning-procedures-in-orthognathic-surgery
#12
Timo Dreiseidler, Max-Philipp Lentzen, Matthias Zirk, Ali-Farid Safi, Joachim E Zoeller, Matthias Kreppel
PURPOSE: Little is known about the three-dimensional (3D) transfer accuracy in maxillary repositioning procedures based on conventionally manufactured dental-mounted wafers. The purpose of the present study was a systematic 3D analysis for wafer-based maxillary positioning in orthognathic surgery. MATERIALS AND METHODS: A total of 92 patients underwent Le Fort I in addition to mandibular bilateral sagittal split osteotomies (BSSO). Alignment of the pre- and postsurgical CBCT data sets allowed measuring maxillary position changes in axial, sagittal and transversal directions...
August 31, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28862111/how-can-we-improve-education-of-breast-surgeons-across-europe
#13
Agnieszka Kolacinska
The proposed global curriculum developed by the American Society of Surgical Oncology (SSO) and the European Society of Surgical Oncology (ESSO) and the textbook: provides a state-of- the- art of breast cancer surgery, complements the syllabus and curriculum of the Union Europeenne des Medecins Specialistes (UEMS) examination in breast surgery/ European Board of Surgery Qualification in Breast Surgery (EBSQinBS) administered by ESSO (1) Knowledge and understanding of the principles of breast cancer incidence, aetiology, risk factors, genetics, premalignant and high-risk lesions, pathology, prognostic and predictive factors, risk prediction models, screening, diagnosis and imaging, breast cancer, oncoplastic, reconstructive breast surgery, axillary surgery and future perspective for this, radiation therapy, neoadjuvant and adjuvant systemic treatment- endocrine-, immuno- and chemotherapy, side effects and toxicities of treatment, locoregional recurrence, follow-up, locally advanced breast cancer, metastatic breast cancer, breast cancer in young and elderly patients, survivor issues, lymphedema, palliative care, chroni pain, body image and sexuality, fertility issues, cognitive functions, etc...
July 2017: Chirurgia
https://www.readbyqxmd.com/read/28595839/piezosurgery-for-sagittal-split-osteotomy-procedure-duration-and-postoperative-sensory-perturbation
#14
RANDOMIZED CONTROLLED TRIAL
Robert Köhnke, Andreas Kolk, Lan Kluwe, Oliver Ploder
PURPOSE: To evaluate piezosurgery for bilateral sagittal split osteotomy (BSSO) for its duration and inferior alveolar nerve (IAN) perturbation. PATIENTS AND METHODS: In this prospective randomized study, the authors evaluated 100 BSSO procedures in 50 patients. Piezoelectric (group I) and conventional (group II) osteotomies were carried out on each side of the mandible of a patient by 2 specialists. The surgeons had at least 1 year of experience using piezosurgery...
September 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28500875/upper-airway-changes-after-mandibular-setback-and-or-advancement-genioplasty-in-obese-patients
#15
Wen Du, Dongming He, Yiyao Wang, Hanghang Liu, Chuhang Liao, Wei Fei, En Luo
PURPOSE: Orthognathic surgeries, such as bilateral sagittal split ramus osteotomy (BSSO) and genioplasty, can influence the pharyngeal airway space (PAS) and this has been supported by previous studies. The purpose of this study was to assess changes of the PAS in patients with a high body mass index (BMI) likely to have narrow airways before and after setback BSSO with or without advancement genioplasty surgery by 3-dimensional computed tomography. MATERIALS AND METHODS: Thirty-five adults with a BMI of at least 24...
October 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28495411/is-low-level-laser-therapy-effective-for-treatment-of-neurosensory-deficits-arising-from-sagittal-split-ramus-osteotomy
#16
RANDOMIZED CONTROLLED TRIAL
Majid Eshghpour, Baratollah Shaban, Farzaneh Ahrari, Mahdi Erfanian, Elaheh Shadkam
PURPOSE: This study investigated the effectiveness of low-level laser therapy (LLLT) for treating neurosensory impairment after bilateral sagittal split osteotomy (BSSO). MATERIALS AND METHODS: This randomized, double-blinded, split-mouth trial included patients requiring BSSO. After surgery, 1 side of each patient was randomly assigned to laser therapy and the other side served as the control. At 24, 48, and 72 hours after surgery, LLLT was accomplished by intraoral application of a 660-nm laser around the surgical site (200 mW, 10 seconds, 2 J, 1...
October 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28493922/comparison-of-the-long-term-clinical-performance-of-a-biodegradable-and-a-titanium-fixation-system-in-maxillofacial-surgery-a-multicenter-randomized-controlled-trial
#17
RANDOMIZED CONTROLLED TRIAL
B Gareb, N B van Bakelen, G J Buijs, J Jansma, J G A M de Visscher, Th J M Hoppenreijs, J E Bergsma, B van Minnen, B Stegenga, R R M Bos
BACKGROUND: Biodegradable fixation systems could reduce or eliminate problems associated with titanium removal of implants in a second operation. AIM: The aim of this study was to compare the long-term (i.e. >5 years postoperatively) clinical performance of a titanium and a biodegradable system in oral and maxillofacial surgery. MATERIALS AND METHODS: The present multicenter Randomized Controlled Trial (RCT) was performed in four hospitals in the Netherlands...
2017: PloS One
https://www.readbyqxmd.com/read/28489659/relationship-between-the-quantity-of-nerve-exposure-during-bilateral-sagittal-split-osteotomy-surgery-and-sensitive-recovery
#18
Paolo Gennaro, Maria Elisa Giovannoni, Niccolò Pini, Ikenna Valentine Aboh, Guido Gabriele, Giorgio Iannetti, Flavia Cascino
AIM AND OBJECTIVES: The purpose of this study was to evaluate how different exposures of the V3 nerves during orthognathic surgery impact neurosensory disturbances. METHODS: The study included 127 patients who underwent either bilateral sagittal split osteotomy (BSSO) or BSSO with maxillary le Fort 1. They were divided into 6 groups, identified by the quantity of V3 nerve exposure. All patients were examined in a pre-op period and again after 1, 3, 6 months post-op...
May 9, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28431477/duration-of-orthognathic-surgical-treatment
#19
Jaakko Paunonen, Mika Helminen, Timo Peltomäki
OBJECTIVE: The objective of this study was to determine the duration of orthognathic-surgical treatment conducted with conventional pre- and post-surgical orthodontic treatment phases. MATERIAL AND METHODS: The study material was comprised of the files of 185 consecutive patients treated in Oral and Maxillofacial Unit, Tampere University Hospital, Finland, in 2007-2014. The files were reviewed and the following data was obtained: gender and age of patients, ICD-10 diagnosis, type of malocclusion, duration of pre- and post-surgical orthodontic treatment and type of operation...
July 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28419845/does-orthognathic-surgery-cause-or-cure-temporomandibular-disorders-a%C3%A2-systematic-review-and-meta-analysis
#20
REVIEW
Essam Ahmed Al-Moraissi, Larry M Wolford, Daniel Perez, Daniel M Laskin, Edward Ellis
PURPOSE: There is still controversy about whether orthognathic surgery negatively or positively affects temporomandibular disorders (TMDs). The purpose of this study was to determine whether orthognathic surgery has a beneficial or deleterious effect on pre-existing TMDs. MATERIALS AND METHODS: A systematic review and meta-analysis were conducted based on Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. We searched 3 major databases to locate all pertinent articles published from 1980 to March 2016...
September 2017: Journal of Oral and Maxillofacial Surgery
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