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Orthognathic surgery

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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
#1
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/28928591/accidental-perforation-of-submental-flexometallic-tube
#2
Subbulakshmi Sundaram, Gowthaman Ramdas, Anisha Pauline Paul, Sekaran Natesan Krishnasamy
Oral and maxillofacial surgeries associated with complications due to endotracheal tube (ETT) damage are being reported in literature increasingly. In this case, we report a rare case of accidental perforation of a flexometallic ETT intraoperatively during an orthognathic corrective surgery, in a 19-year-old female patient in whom submental intubation had been performed. The complication was managed conservatively as the tissue debris created during the osteotomy drilling occluded the damage and caused a good seal of the damage, with minimal leak, and no airway compromise...
July 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28927954/systematic-three-dimensional-analysis-of-wafer-based-maxillary-repositioning-procedures-in-orthognathic-surgery
#3
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/28922243/evaluation-of-the-changes-in-the-quality-of-life-in-patients-undergoing-orthognathic-surgery-a-multicenter-study
#4
Elham Sadat Emadian Razvadi, Sepideh Soheilifar, Mohammad Esmaeelinejad, Navid Naghdi
Orthognathic surgery can affect patients' quality of life. The aim of the present study was to assess changes in quality of life during combined orthodontics-surgery treatment and effect of orthodontist-surgeon teamwork on final patient's satisfaction. Twenty-six orthognathic patients who were referred to oral and maxillofacial department of 3 hospitals in Tehran were included in the study. Orthognathic quality of life questionnaire (OQLQ) was given to patients 1 week before, 4 weeks and 4 months after surgery...
September 15, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28906330/does-fat-grafting-influence-postoperative-edema-in-orthognathic-surgery
#5
Raysa Cabrejo, Christopher R DeSesa, Rajendra Sawh-Martinez, Derek M Steinbacher
PURPOSE: Autologous fat grafting is a useful adjunctive procedure to orthognathic surgery and may also confer anti-inflammatory properties. The purpose of this study is to answer the clinical question: among patients undergoing orthognathic operations, what are the effects of fat grafting on facial edema (magnitude, duration, and rate of decrease)? METHODS: A retrospective cohort study was performed. Three-dimensional photos (Canfield, Fairfield, NJ) from preoperative and a series of postprocedure time-points were analyzed...
September 12, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28902254/condylectomy-and-surgery-first-approach-an-expedited-treatment-for-condylar-hyperplasia-in-a-patient-with-facial-asymmetry
#6
Diego Fernando López, Juan Fernando Aristizábal, Rosana Martínez-Smit
Condylar Hyperplasia (CH) is a self-limiting pathology condition that produces severe facial deformity at the expense of mandibular asymmetry. In this case report a 15-year-old female patient was diagnosed with Unilateral Condylar Hiperplasia (UCH) by mean of single-photon emission computed tomography (SPECT) and histological study. A high condylectomy in the right condyle was performed to stop the active status of the hyperplasia. A month after condylectomy, orthognathic jaw impaction and asymmetric mandibular setback surgery was performed with the Surgery First Approach (SFA)...
July 2017: Dental Press Journal of Orthodontics
https://www.readbyqxmd.com/read/28894931/radiographic-evaluation-of-condylar-positioning-in-patients-undergoing-orthognathic-surgery
#7
Wanderley da Silva Félix Junior, Leandro Eduardo Klüppel, Delson João da Costa, Ângela Fernandes, Rafaela Scariot, Nelson Luis Barbosa Rebellato
OBJECTIVE: The aim of this study was to evaluate alterations in condylar positioning through submentovertex projection (Hirtz Radiographic Technique) in patients who underwent orthognathic surgery for maxillary advancement and mandibular setback with stable internal fixation. METHODS: A prospective longitudinal clinical study of 40 surgical patients presenting dentofacial deformity admitted in the Oral and Maxillofacial Surgery Department of Federal University of Paraná (UFPR) in the period between March 2013 and December 2015...
September 12, 2017: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28891895/large-scale-study-of-long-term-anteroposterior-stability-in-a-surgery-first-orthognathic-approach-without-presurgical-orthodontic-treatment
#8
Woo Shik Jeong, Jang Yeol Lee, Jong Woo Choi
Presurgical orthodontic treatment has long been known as a prerequisite in the traditional orthognathic approach. However, achieving ideal decompensation is very difficult even in the presurgical orthodontic period. For minimization of this problem, the surgery-first orthognathic concept has been introduced. The authors hypothesized that this treatment modality will be feasible for skeletal class III dentofacial deformity patients. In this study, the authors tried to compare the traditional and surgery-first approaches regarding long-term outcomes in terms of stability, based on large-scale data...
September 7, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28891255/do-patients-benefit-from-orthognathic-surgery-a-systematic-review-on-the-effects-of-elective-orthognathic-surgery-on-psychosocial-functioning-and-patient-satisfaction
#9
REVIEW
Dyonne L M Broers, Geert J M G van der Heijden, Frederik R Rozema, Ad de Jongh
The main purpose of this systematic review was to determine the current state of evidence regarding patient satisfaction with, and the impact of, orthognathic surgery on psychosocial functioning of patients 17 yr of age and older. A secondary aim was to determine whether individuals with psychiatric disorders and mental health conditions are more likely to be dissatisfied with the treatment outcome than those without. We systematically searched PubMed, PsycInfo, and Embase for relevant studies (up to 6 June 2016)...
September 11, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28885441/evaluation-of-the-post-orthognathic-surgery-satisfaction-a-comparative-cross-sectional-study-of-patients-class-ii-and-iii
#10
Rafael Martins Afonso Pereira, Gustavo Mota Mascarenhas de Souza, Vanessa Alvares de Castro Rocha, Susana Morimoto, Tamara Kerber Tedesco, Anna Carolina Volpi Mello-Moura
The aim of this study was to analyze the degree of postoperative satisfaction regarding facial and dental esthetics, masticatory and respiratory function, and psychosocial factors in patients with dentofacial deformity Class II compared with Class III. The patients were divided into 2 groups with 50 patients in Group 1 (Class II) and 30 patients in Group 2 (Class III). Assessing the degree of postoperative satisfaction, the authors did not observe a significant difference between the groups in terms of improvements in the aesthetic and functional aspects and the psychological impact of the treatment...
September 6, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28881172/from-ideal-occlusion-to-dentofacial-deformity-and-back-to-ideal-an-osteochondroma-treatment-with-lingual-orthodontics
#11
Renato Parsekian Martins, Tatyane Ribeiro Mesquita, Ana Patrícia Sousa Pereira, Isabela Parsekian Martins, Daniel Serra Cassano, João Roberto Gonçalves
This original case report describes the morphologic changes caused by a mandibular condylar osteochondroma (OC) on a female patient and its treatment. The changes were identified by comparing her final records from a previous orthodontic treatment, without the presence of OC, to records taken before a second treatment, with a developed OC. The diagnostics and treatment for the OC and its consequences were described and discussed in this paper. Treatment included orthodontics with a lingual appliance, low condylectomy on the affected side, high condylectomy on the contralateral side, bilateral disc repositioning and orthognathic surgery...
September 7, 2017: Journal of Orthodontics
https://www.readbyqxmd.com/read/28879320/pharyngeal-flap-damage-caused-by-nasotracheal-intubation-in-a-patient-who-underwent-palatoplasty-and-pharyngoplasty
#12
Jong-Shik Oh, Hong-Seok Choi, Eun-Jung Kim, Cheul-Hong Kim, Ji-Uk Yoon, Ji-Young Yoon
Patients with cleft lip and palate (CLP) must undergo corrective surgeries during infancy and early childhood. Many patients with CLP undergo orthognathic surgery during their childhood for correction of skeletal asymmetries or pharyngoplasty with a pharyngeal flap to improve the quality of speech and velopharyngeal function. During orthognathic surgeries, nasotracheal intubation is performed under general anesthesia. In our case report, the patient had undergone palatoplasty and pharygoplasty previously. During the orthognathic surgery, a flexible fiberoptic bronchoscope-guided nasotracheal tube was inserted through the pharyngeal flap ostium; however, active bleeding occurred in the nasopharynx...
December 2016: J Dent Anesth Pain Med
https://www.readbyqxmd.com/read/28879317/the-evaluation-of-implementing-smart-patient-controlled-analgesic-pump-with-a-different-infusion-rate-for-different-time-duration-on-postoperative-pain-management
#13
Saeyoung Kim, Younghoon Jeon, Hyeonjun Lee, Jung A Lim, Sungsik Park, Si Oh Kim
BACKGROUND: Control of postoperative pain is an important aspect of postoperative patient management. Among the methods of postoperative pain control, patient-controlled analgesia (PCA) has been the most commonly used. This study tested the convenience and safety of a PCA method in which the dose adjusted according to time. METHODS: This study included 100 patients who had previously undergone orthognathic surgery, discectomy, or total hip arthroplasty, and wished to control their postoperative pain through PCA...
December 2016: J Dent Anesth Pain Med
https://www.readbyqxmd.com/read/28872503/postoperative-orthognathic-surgery-edema-assessment-with-and-without-manual-lymphatic-drainage
#14
Renato Yassutaka Faria Yaedú, Marina de Almeida Barbosa Mello, Rosana Adami Tucunduva, Juliana Specian Zabotini da Silveira, Marina Prado Monson Santana Takahashi, Ana Carolina Bonetti Valente
OBJECTIVE: To evaluate the effects of manual lymphatic drainage (MLD) on facial edema and pain in patients who underwent orthognathic surgery from patient and professional perspectives and clinical measures. METHODS: It is a randomized double-blind clinical trial, where 30 patients who underwent bimaxillary orthognathic surgery were divided into 2 groups (treatment and placebo). One group (treatment) received MLD from 2nd postoperative day, besides cryotherapy and postoperative medications...
September 1, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28870648/can-electromagnetic-navigated-maxillary-positioning-replace-occlusional-splints-in-orthognathic-surgery-a-clinical-pilot-study
#15
Moritz Berger, Igor Nova, Sebastian Kallus, Oliver Ristow, Christian Freudlsperger, Urs Eisenmann, Hartmut Dickhaus, Michael Engel, Jürgen Hoffmann, Robin Seeberger
INTRODUCTION: Because of the inaccuracy of intermaxillary splints in orthognathic surgery, intraoperative guidance via a real time navigation system might represent a suitable method for enhancing the precision of maxillary positioning. Therefore, in this clinical trial, maxillary repositioning after Le Fort I osteotomy was guided splintless by an electromagnetic navigation system. MATERIALS AND METHODS: Conservatively planned maxillary reposition in each of 5 patients was transferred to a novel software module of the electromagnetic navigation system...
August 10, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28863918/three-dimensional-evaluation-of-the-airway-spaces-in-patients-with-and-without-cleft-lip-and-palate-a-digital-volume-tomographic-study
#16
Himija Karia, Sunita Shrivastav, Ashok Kumar Karia
INTRODUCTION: Patients with cleft lip and palate (CLP) suffer from several esthetic and functional challenges. Comprehensive treatment of these patients involves orthognathic surgery that may lead to velopharyngeal insufficiency or reduction in lower airway. Several cases of airway insufficiency, velopharyngeal incompetence, snoring, hypopnea, and obstructive sleep apnea have been reported in subjects with CLP. The aim of this study was to compare the anteroposterior dimensions of the oropharyngeal airway at 5 levels, the height of the oropharyngeal column, and the volume of the oropharyngeal airway in subjects with and without CLP...
September 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28861391/time-series-analysis-of-patients-seeking-orthodontic-treatment-at-seoul-national-university-dental-hospital-over-the-past-decade
#17
Hyun-Woo Lim, Ji-Hoon Park, Hyun-Hee Park, Shin-Jae Lee
OBJECTIVE: This paper describes changes in the characteristics of patients seeking orthodontic treatment over the past decade and the treatment they received, to identify any seasonal variations or trends. METHODS: This single-center retrospective cohort study included all patients who presented to Seoul National University Dental Hospital for orthodontic diagnosis and treatment between January 1, 2005 and December 31, 2015. The study analyzed a set of heterogeneous variables grouped into the following categories: demographic (age, gender, and address), clinical (Angle Classification, anomaly, mode of orthodontic treatment, removable appliances for Phase 1 treatment, fixed appliances for Phase 2 treatment, orthognathic surgery, extraction, mini-plate, mini-implant, and patient transfer) and time-related variables (date of first visit and orthodontic treatment time)...
September 2017: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/28859827/geeord-a-sas-macro-for-analyzing-ordinal-response-variables-with-repeated-measures-through-proportional-odds-partial-proportional-odds-or-non-proportional-odds-models
#18
Xiaoming Gao, Todd A Schwartz, John S Preisser, Jamie Perin
BACKGROUND AND OBJECTIVE: A SAS macro, GEEORD, has been developed for the analysis of ordinal responses with repeated measures through a regression model that flexibly allows the proportional odds assumption to apply (or not) separately for each explanatory variable. METHODS AND RESULTS: Previously utilized in an analysis of a longitudinal orthognathic surgery clinical trial by Preisser et al. [1,2], the basis of GEEORD is the generalized estimating equations (GEE) method for cumulative logits models described by Lipsitz et al...
October 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28858556/a-case-with-deteriorating-palmoplantar-pustulosis-and-hyperthyroidism-after-simultaneous-bimaxillary-orthognathic-surgery
#19
Aya Oda, Keita Yoshida, Tamayo Uno, Taiga Yoshinaka, Akari Mukai, Masahiro Irifune
A case of palmoplantar pustulosis and hyperthyroidism following orthognathic surgery is presented. Both diseases may have been related to allergic phenomena.
2017: Anesthesia Progress
https://www.readbyqxmd.com/read/28857987/surgical-tip-for-prevention-of-lip-injury-during-orthognathic-and-facial-bone-contouring-surgery
#20
Tae Sung Lee, Sanghoon Park
Iatrogenic lip injury is a rather common complication after facial bone surgery, but is usually treated lightly by the surgeon compared with other more severe functional complications. However, these injuries can have permanent sequelae and can therefore be a reason for patient dissatisfaction, especially after cosmetic surgery. Intraoperative lip injuries during facial bone surgery are usually caused by heat-generating surgical instruments or forced traction on the operative fields. The authors have applied a special technical strategy using a hydrocolloid dressing material to avoid these intraoperative lip injuries...
August 28, 2017: Journal of Craniofacial Surgery
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