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Orthognathic surgery

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https://www.readbyqxmd.com/read/28633976/transnasal-endoscopic-removal-of-bilateral-postoperative-maxillary-cysts-after-aesthetic-orthognathic-ssurgery-differences-from-that-of-caldwell-luc-operations
#1
Hyung Chae Yang, Sung Hoon Kang, Sung Ho Yoon, Hyong-Ho Cho
Postoperative maxillary cysts (PMCs) after orthognathic surgery are a rare disease condition. In this study, we reported first case of bilateral PMCs after cosmetic orthognathic surgery which was treated via the intranasal endoscopic approach. In addition, we compared the characteristics of PMCs after aesthetic orthognathic surgery with those of PMCs after Caldwell-Luc operation. We expect that this case will be helpful to surgeons who encounter similar cases.
June 17, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28625607/postoperative-myocardial-infarction-in-an-orthognatic-jaw-surgery
#2
F Vieira Marques, F Montenegro Sá, T Lapa, I Simões
Cardiovascular complications, in particular perioperative myocardial infarctions, are central contributors to morbidity and mortality after non-cardiac surgery. We present a case of a 41-year-old male, smoker and dyslipidemic, who underwent bimaxillary orthognathic jaw surgery with the development of an acute coronary syndrome in the immediate postoperative period. We managed to early diagnose the myocardial infarction and promptly performed a percutaneous transluminal coronary angioplasty, resulting in a positive outcome...
June 15, 2017: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/28624835/cbct-location-of-the-fusion-between-the-buccal-and-lingual-cortical-in-the-mandibular-ramus-importance-to-sagittal-split-osteotomy
#3
L Scomparin, M-Q-S Soares, C-M-F Rubira, R-Y-F Yaedú, T-S-N Imada, B-S Centurion, E-S Tolentino, J-R-P Lauris, I-R-F Rubira-Bullen
BACKGROUND: Mandibular Sagittal Split Osteotomy (MSSO) is a popular technique in orthognathic surgery used both to advance and to retreat the mandible. However, MSSO may incur in important complications, such as bad splits and sensorineural injuries. Knowing the location of the fusion between the buccal and lingual cortical (FBLC) in the mandibular ramus and the bone thickness in the region where osteotomies will be performed is determinant in MSSO planning to avoid complications. The aim of this study was to document and evaluate possible differences between sexes regarding the location of the FBLC in relation to the superior cortical of mandibular foramen (MF) and bone thickness in the region of interest for MSSO in a Brazilian population...
June 18, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28623681/soft-tissue-changes-measured-with-three-dimensional-software-provides-new-insights-for-surgical-predictions
#4
Yu-Jen Chang, Antônio C O Ruellas, Marilia S Yatabe, Philip M Westgate, Lucia H S Cevidanes, Sarandeep S Huja
PURPOSE: Although computer-aided craniofacial reconstructions allows for simulation of hard tissue changes, the prediction of the final soft tissue facial changes remains a challenge. The purpose of the present study was to evaluate the 3-dimensional (3D) soft tissue changes in patients undergoing 2-jaw orthognathic surgery. PATIENTS AND METHODS: For the present retrospective cohort study, 40 consecutive patients (11 men and 29 women; mean age 23.5 ± 4.9 years) who had undergone 2-jaw orthognathic surgery were selected...
May 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28623044/corrigendum-to-can-a-surgery-first-orthognathic-approach-reduce-the-total-treatment-time-int-j-oral-maxillofac-surg-46-2017-473-482
#5
W S Jeong, J W Choi, D Y Kim, J Y Lee, S M Kwon
No abstract text is available yet for this article.
June 13, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28622922/cross-sectional-human-study-of-soft-tissue-chin-stc-thickness-in-adult-patients-in-relation-to-sex-facial-pattern-and-skeletal-class
#6
Yolanda Gomez, Natalia Zamora, Beatriz Tarazona, Carlos Bellot-Arcís, Vanessa Paredes-Gallardo
PURPOSE: The aim of this study was to study the relations between the soft tissue chin (STC) and sex, skeletal class, and facial pattern; and to describe the shape and behavior of the STC. METHODS: 385 non-growing patients were selected, 206 women and 179 men, with a mean age of 28.8 years (SD 4.2). Patients were divided into groups by skeletal class (class I, II or III) and facial pattern (brachyfacial, mesofacial or dolichofacial). STC thicknesses were measured at pogonion (Pg), soft pogonion (Pg'), gnathion (Gn), soft gnathion (Gn'), menton (Me) and soft menton (Me') in the CBCTs...
April 19, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28619465/a-systematic-review-of-soft-to-hard-tissue-ratios-in-orthognathic-surgery-part-iv-3d-analysis-is-there-evidence
#7
Sergio Olate, Carlos Zaror, Maurice Y Mommaerts
OBJECTIVE: The objective of this study was to determine the soft-to-hard tissue ratio using 3D analysis in different types of orthognathic surgery. MATERIAL AND METHODS: A systematic search for relevant studies published in different languages through December 2016 was performed in the Medline, Embase, Lilacs, Scopus, and Science Direct databases. Additional studies were identified by reference analysis. The methodological quality of the included studies was evaluated using the method proposed by the Effective Public Health Practice Project...
May 17, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28612700/knowledge-gaps-in-oral-and-maxillofacial-surgery-a-systematic-mapping
#8
Marie Österberg, Anders Holmlund, Bo Sunzel, Sofia Tranæus, Svante Twetman, Bodil Lund
OBJECTIVES: The aim of this study was to evaluate available knowledge and identify knowledge gaps within the field of oral and maxillofacial surgery, by systematically collecting and evaluating systematic reviews. Twelve specific domains were selected: surgical removal of teeth, antibiotic and corticosteroid prophylaxis, orofacial infections, dental and facial trauma, orthognathic surgery, reconstructive surgery, benign tumors, cysts, premalignant lesions, oral complications of treatment of malignant tumors, hyperbaric oxygen therapy, temporomandibular joint surgery, cost effectiveness of different surgical treatments, and ethics...
January 2017: International Journal of Technology Assessment in Health Care
https://www.readbyqxmd.com/read/28606829/incidence-and-risk-factors-predisposing-plate-removal-following-orthognathic-surgery
#9
Fredrik Widar, Mariam Afshari, Lars Rasmusson, Christer Dahlin, Hossein Kashani
OBJECTIVE: The aim of this study was to investigate the incidence and reasons for titanium fixation plate removal following orthognathic surgery, identify risk factors predisposing removal, and explore if discomfort was reduced postoperatively. STUDY DESIGN: Medical records of 404 consecutive cases were retrospectively reviewed. All patients received a questionnaire for follow-up, and 323 patients answered the questionnaire, thus forming the sample group. RESULTS: Of all the responding patients, 15% had plates removed, and 92% of these patients experienced relief from discomfort after removal of the plates...
May 4, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28602382/value-in-oral-and-maxillofacial-surgery-a-systematic-review-of-economic-analyses
#10
Benjamin Geisler, Yisi D Ji, Zachary S Peacock
PURPOSE: The purpose of this study is to describe the state of economic analyses in the field of oral and maxillofacial surgery (OMS). MATERIALS AND METHODS: A systematic search of published literature up to 2016 was performed. The inclusion criteria were as follows: English-language articles on economic analyses pertaining to OMS including anesthesia and pain management; dentoalveolar surgery; orthognathic, cleft, and/or obstructive sleep apnea treatment; pathology; reconstruction; temporomandibular disorders; trauma; and other...
May 18, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28601432/stability-and-surgical-complications-in-segmental-le-fort-i-osteotomy-a-systematic-review
#11
REVIEW
O L Haas Junior, R Guijarro-Martínez, A P de Sousa Gil, L da Silva Meirelles, R B de Oliveira, F Hernández-Alfaro
This systematic review was conducted to evaluate the stability and surgical complications of segmental Le Fort I osteotomy. The search was divided into a main search (PubMed, Embase, and Cochrane Library), grey literature search (Google Scholar), and manual search. Twenty-three studies were included: 14 evaluating stability as the outcome and nine evaluating surgical complications. The level of agreement between the authors was considered excellent (κ=0.893 for study selection and κ=0.853 for study eligibility)...
June 7, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28598184/surface-electromyography-before-and-after-orthognathic-surgery-and-condylectomy-in-active-laterognathia-a-case-report
#12
F Cullati, A Mapelli, G Beltramini, M Codari, C L Pimenta Ferreira, A Baj, A B Giannì, C Sforza
BACKGROUND: Condylar hyperplasia is a rare bone disease characterised by excessive development of mandibular condyle, which can lead to the development of asymmetric facial deformity together with malocclusion, mandibular deviation, TMJ and masticatory musculoskeletal system dysfunction. There is not a treatment protocol universally accepted. In order to determine the correct management, treatment and intervention timing of these patients, morphological examinations should be coupled with functional assessments...
June 2017: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/28584510/evaluation-of-mandibular-condylar-changes-in-patients-following-orthognathic-surgery-a-retrospective-study
#13
Vikas Aneja, Rushik Raval, Parul Aneja, K K Rai, Sumit Agarwal, Satyapal Chuadhary
BACKGROUND: Condylar resorption as a cause of relapse after orthognathic surgery is well known. Several authors have presented evidence of the relation between orthognathic surgery and condylar remodeling and resorption. This study was done to appraise the condylar changes along with the form and function following orthognathic surgery, as well as to assess what factors may have contributed to the problems. METHODOLOGY: A diagnosis of progressive condylar resorption (PCR) was made by comparison of preoperative and postoperative radiographs (cephalometric radiograms), as well as clinical evaluations...
January 2017: Nigerian Journal of Surgery: Official Publication of the Nigerian Surgical Research Society
https://www.readbyqxmd.com/read/28582307/surgery-first-orthognathic-approach-without-presurgical-orthodontic-treatment-questions-and-answers
#14
Jong Woo Choi, James P Bradley
"Surgery-First" for patients with malocclusion and skeletal disharmony is a new process of employing bony corrective surgery (first) without removal of dental compensations followed by orthodontic finishing (second). This process breaks with the time-tested principles of traditional orthognathic surgery. Not unexpectedly, there is slow adoption of this new process, particularly in the West. Ten frequently asked questions regarding Surgery First are asked and answered in this report in an attempt to provide an increased level of comfort for Plastic and Maxillofacial Surgeons in instituting this process in their practice...
June 2, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28579266/a-longitudinal-study-of-changes-in-psychosocial-well-being-during-orthognathic-treatment
#15
O Alanko, M T Tuomisto, T Peltomäki, M Tolvanen, T Soukka, A L Svedström-Oristo
The aim was to evaluate changes in the psychosocial well-being of orthognathic surgery patients (n=22) during treatment and to compare results with those of adults not requiring orthognathic treatment (n=22). Patient data were collected before treatment (T0), after the first orthodontic examination (T1), three times during treatment (T2-T4), and 1 year after surgery (T5). In this article, only data corresponding to patient stage T5 are reported for the control subjects. Participants filled in a structured diary and the modified version of the Secord and Jourard body image questionnaire, the Orthognathic Quality of Life Questionnaire, the Rosenberg Self-Esteem Scale, and the Acceptance and Action Questionnaire II...
June 1, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28576668/length-of-stay-and-cost-in-patients-undergoing-orthognathic-surgery-does-surgeon-volume-matter
#16
Avni Gupta, Ritam Chowdhury, R Sterling Haring, Leah I Leinbach, John Petrone, Martin J Spitzer, Eric B Schneider
PURPOSE: The relations among procedure-specific annual surgeon volume, hospital length of stay (LOS), and hospital costs for patients undergoing the 2 most common orthognathic surgical (OGS) procedures, segmental osteoplasty or osteotomy of the maxilla (SOM) or open osteoplasty or osteotomy of the mandibular ramus (SOMR), are not known. The authors hypothesized that treatment by high-volume surgeons would be associated with decreased LOS and costs. MATERIALS AND METHODS: All patients 8 to 64 years old who underwent elective SOM or SOMR were selected from the 2001 to 2009 Nationwide Inpatient Sample...
May 10, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28570410/nasal-soft-tissue-change-following-bimaxillary-orthognathic-surgery
#17
Hye-In Jeong, Ho-Sung Lee, Young-Soo Jung, Hyung-Sik Park, Hwi-Dong Jung
OBJECTIVE: The purpose of this study is to identify the correlation between maxillary movement and nasal soft tissue changes on three-dimensional reconstructed cone beam computed tomography (CBCT) images after Le Fort I osteotomy. MATERIALS AND METHODS: The authors also investigate the long-term change of alar base width (ABW) to determine the effect of cinch suture. The authors retrospectively studied 52 subjects (14 males and 38 females) who were treated by bimaxillary orthognathic surgery including Le Fort I osteotomy and mandibular ramus surgery...
May 31, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28570409/microsurgical-decompression-of-inferior-alveolar-nerve-after-endodontic-treatment-complications
#18
Bernardo Bianchi, Andrea Ferri, Andrea Varazzani, Michela Bergonzani, Enrico Sesenna
Iatrogenic injury in oral surgery is the most frequent cause of sensory disturbance in the distribution of the inferior alveolar nerve (IAN) and mental nerve.Inferior alveolar nerve damage can occur during third molar extraction, implant location, orthognathic surgery, preprosthetic surgery, salivary gland surgery, local anesthetic injections or during the resection of benign or malignant tumors.Injuries to the IAN can be caused also by endodontic treatment of mandibular molars and premolars when filling material is forced into the tooth and mandibular canal...
May 31, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28570001/a-clinically-validated-simulation-method-for-facial-soft-tissue-change-prediction-following-double-jaw-orthognathic-surgery
#19
Daeseung Kim, Dennis Chun-Yu Ho, Huaming Mai, Xiaoyan Zhang, Steve G F Shen, Shunyao Shen, Peng Yuan, Siting Liu, Guangming Zhang, Xiaobo Zhou, Jaime Gateno, Michael A K Liebschner, James J Xia
PURPOSE: It is clinically important to accurately predict facial soft tissue changes prior to orthognathic surgery. However, the current simulation methods are problematic, especially in anatomic regions of clinical significance, e.g., the nose, lips and chin. We developed a new 3-stage finite element method (FEM) approach that incorporates realistic tissue sliding to improve such prediction. METHODS: In Stage One, soft-tissue-change was simulated using FEM with patient-specific mesh models generated from our previously developed eFace template...
June 1, 2017: Medical Physics
https://www.readbyqxmd.com/read/28566866/management-of-developing-skeletal-class-iii-malocclusion-in-a-prepubertal-girl-with-prognathic-mandible-in-late-mixed-dentition
#20
Satinder Pal Singh, Vinay Kumar, Rashmi Verma, Sombir Singh
Treatment of skeletal Class III patients at younger age is highly unpredictable. The patient may respond well to the treatment or may show excessive mandibular growth during growth spurt which may require orthognathic surgery later on. If not treated at earlier stages of life, the condition may worsen with time. This case report will present the comprehensive orthodontic management of a 9-year-old prepubertal girl in late mixed dentition with prognathic mandible. Chin cup therapy was started and continued for 3 years...
January 2017: Contemporary Clinical Dentistry
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