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https://www.readbyqxmd.com/read/28713753/removal-of-multiple-keratocystic-odontogenic-tumors-in-a-nonsyndromic-patient
#1
Artur Cunha Vasconcelos, Paulo Henrique de Souza Castro, Alvaro Henrique Borges, Luiz Evaristo Ricci Volpato
Multiple keratocystic odontogenic tumors are one of the key features of Gorlin-Goltz syndrome. A 15-year-old nonsyndromic female child presented with multiple keratocystic odontogenic tumors. The presence of the tumors was observed in immunological examinations. The images led to the suspicion of Gorlin-Goltz syndrome which was discarded after analyzing the patient's medical history and complementary examinations. Le Fort I osteotomy was opted to access the maxillary tumors favoring visibility and allowing simultaneous bilateral accesses...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28713747/the-surgical-management-of-skeletal-disproportion-with-lingual-orthodontics-and-three-dimensional-planning
#2
Krutiben Patel, Chung How Kau, Peter D Waite, Ahmet Arif Celebi
This case report describes the successful treatment of a 26-year-old Caucasian male with skeletal and dental Class III malocclusion associated with mild maxillary and mandibular crowding. The patient had anteroposterior and transverse discrepancies with a reverse overjet and bilateral posterior crossbites. The nonextraction treatment plan included aligning and leveling of the teeth in both arches, Le Fort I and bilateral sagittal split osteotomies, and postsurgical correction of the malocclusion. Orthodontic treatment was initiated with custom lingual appliances followed by orthognathic surgery planned with virtual surgical planning...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28713737/maxillary-distraction-osteogenesis-in-unilateral-cleft-lip-and-palate-patients-with-rigid-external-distraction-system
#3
Shadi Alkhouri, Peter D Waite, Matthew B Davis, Ejvis Lamani, Chung How Kau
AIM: Distraction osteogenesis (DO) is a treatment option for patients with maxillary hypoplasia secondary to cleft lip and palate (CLP). PURPOSE: The aim of this study is to present a technique for maxillary DO using Le Fort I osteotomy with rigid external distraction (RED) system. SUBJECTS AND METHODS: The patient presented in this paper was an Asian female with CLP aged 13 years and 6 months. She presented with severe midfacial deficiency with a Class III dental malocclusion with a negative overjet and concave facial profile...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28706792/simultaneous-maxillomandibular-distraction-osteogenesis-in-hemifacial-microsomia-report-of-7-cases
#4
Divya Mehrotra, Debraj Howladar, Dichen P Bhutia
INTRODUCTION: The goal in treating Hemifacial microsomia (HFM) is to improve facial symmetry, allow functional jaw movement, obtain stable occlusion, and achieve patient satisfaction. This study was planned with an aim to assess the outcome of simultaneous maxillomandibular distraction osteogenesis in hemifacial microsomia. MATERIAL & METHODS: Seven patients with hemifacial microsomia were included in this study and demographic data was obtained. Simultaneous maxillo-mandibular distraction was planned for correction of maxillary cant, vertical ramal lengthening and midline, by performing unilateral mandibular osteotomy in ramus and distractor fixation, a Le Fort I osteotomy, with fixation at contralateral zygomatic buttress and intermaxillary elastics...
May 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/28705063/postoperative-ct-of-the-midfacial-skeleton-after-trauma-review-of-normal-appearances-and-common-complications
#5
Michael J Reiter, Ryan B Schwope, Jared M Theler
OBJECTIVE: The objective of this article is to describe the CT appearance of the midfacial skeleton after surgical repair of posttraumatic Le Fort, nasoorbitoethmoidal (NOE), and frontal sinus fractures. Several of the more commonly encountered complications will also be described. CONCLUSION: Surgery after midfacial trauma is aimed at restoring both form and function. Knowledge of the principal tenets of Le Fort, NOE, and frontal sinus fracture repair is vital for radiologists to accurately assess the adequacy of treatment on postoperative CT and provide meaningful reports for the surgeon...
July 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28671150/emerging-trends-of-nosocomial-pneumonia-in-intensive-care-unit-of-a-tertiary-care-public-teaching-hospital-in-western-india
#6
Rakesh Bhadade, Minal Harde, Rosemarie deSouza, Ashwini More, Ramesh Bharmal
BACKGROUND: Nosocomial pneumonia poses great challenge to an intensivist. Detailed information about hospital-acquired pneumonia (HAP) and ventilator-acquired pneumonia (VAP) is crucial for prevention and optimal management, thus improving quality Intensive Care Unit (ICU) care. Hence, we aimed to study the current trend of nosocomial pneumonia in ICU. MATERIALS AND METHODS: It was a prospective observational cohort study, conducted in the ICU of a tertiary care teaching public hospital over a period of 18 months...
July 2017: Annals of African Medicine
https://www.readbyqxmd.com/read/28669486/method-of-osteotomy-fixation-and-need-for-removal-following-bimaxillary-orthognathic-osseous-genioplasty-and-intranasal-surgery-a-retrospective-cohort-study
#7
J C Posnick, E Choi, A Chavda
The purpose of this study was to determine the incidence and causes of fixation hardware removal after bimaxillary orthognathic, osseous genioplasty, and intranasal surgery. A retrospective study was performed, involving subjects with a bimaxillary developmental dentofacial deformity (DFD) and symptomatic chronic obstructive nasal breathing. At a minimum, subjects underwent Le Fort I osteotomy, bilateral sagittal ramus osteotomies (SROs), septoplasty, inferior turbinate reduction, and osseous genioplasty. The primary outcome variable studied was fixation hardware removal...
June 29, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28669485/long-term-stability-of-limiting-nasal-alar-base-width-changes-with-a-cinch-suture-following-le-fort-i-osteotomy-with-submental-intubation
#8
R Raithatha, F B Naini, S Patel, M Sherriff, H Witherow
The aim of this study was to assess the effectiveness of the nasal alar base cinch suture following Le Fort I osteotomy at long-term follow-up. One hundred and forty participants (89 female, 51 male) aged between 16 and 51 years underwent Le Fort I osteotomy with submental intubation. Anthropometric measurements of the nose were taken intraoperatively, immediately postoperative, and for up to 3 years postoperative: the maximum lateral convexity of the alae (Al-Al) and the lateral extremity of the alar base curvature at the alar groove (Ac-Ac)...
June 29, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28663775/a-single-center-review-of-palatal-fractures-etiology-patterns-concomitant-injuries-and-management
#9
Ian C Hoppe, Jordan N Halsey, Frank S Ciminello, Edward S Lee, Mark S Granick
Introduction: Palatal fractures are frequently associated with facial trauma and Le Fort fractures. The complex anatomy of the midfacial skeleton makes diagnosing and treating these injuries a challenge. The goal of this study was to report our experience with the presentation, concomitant injuries, and management of palatal fractures at a level I trauma center in an urban environment. Methods: Data were collected for all palatal fractures diagnosed between January 2000 and December 2012 at the University Hospital in Newark, NJ...
2017: Eplasty
https://www.readbyqxmd.com/read/28654610/what-s-new-in-syndromic-craniosynostosis-surgery
#10
Jesse A Taylor, Scott P Bartlett
LEARNING OBJECTIVES: After studying this article, the participant should be able to: 1. Understand the role of prenatal screening and counseling of parents of unborn children with syndromic craniosynostosis. 2. Recognize the genetic abnormalities, craniofacial phenotype, associated anomalies, and challenges associated with each of the five major forms of syndromic craniosynostosis. 3. Identify the pros and cons associated with timing and types of cranial vault remodeling techniques in this patient population...
July 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28642192/applications-of-3d-orbital-computer-assisted-surgery-cas
#11
P Scolozzi
INTRODUCTION: The purpose of the present report is to describe the indications for use of 3D orbital computer-assisted surgery (CAS). PATIENTS AND METHODS: We analyzed the clinical and radiological data of all patients with orbital deformities treated using intra-operative navigation and CAD/CAM techniques at the Hôpitaux Universitaires de Genève, Switzerland, between 2009 and 2016. We recorded age and gender, orbital deformity, technical and surgical procedure and postoperative complications...
June 19, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28642189/how-to-produce-pre-shaped-rigid-arch-bars-using-low-cost-3d-printing-technology%C3%A2-%C3%A2-a-technical-note
#12
C Druelle, S Touzet-Roumazeille, G Raoul, J Ferri, R Nicot
Numerous oral and maxillofacial procedures in dentate patients begin with the fixation of occlusions. While several techniques exist to perform mandibulo-maxillary fixation, many surgeons use arch bars in common practice. In cases of severe craniofacial traumas or jaw malformations, such as temporomandibular joint ankylosis, it may be impossible to use rigid arch bars. This technical note reports on the development of a technique to produce pre-shaped rigid arch bars using 3D printing technology. We take the case of a patient who presents Le Fort 1, Le Fort 2 and Le Fort 3 fractures as well as a central palatine disjunction, an angular mandibular fracture and bilateral zygomatic fractures...
June 19, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28632300/chemo-bacterial-synthesis-of-a-sialyl-tn-cyclopeptide-vaccine-candidate
#13
Emeline Richard, C Pifferi, M Fiore, Eric Samain, Audrey Le Gouellec, Sébastien Fort, Olivier Renaudet, Bernard Priem
A conjugatable form of the tumour-associated carbohydrate antigen sialyl-Tn (Neu5Ac-alfa-2,6-GalNAc) was efficiently produced in Escherichia coli. Metabolically engineered E. coli strains overexpressing the 6-sialyl-transferase gene of Photobacterium sp. and CMP-Neu5Ac synthetase genes of Neisseria meningitidis were cultivated at high density in presence of GalNAc-alfa-propargyl as the exogeneous acceptor. The target disaccharides, which were produced on the scale of several hundred milligrams, were then conjugated using CuAAC click chemistry to a fully synthetic and immunogenic scaffold with the aim to create a candidate anticancer vaccine...
June 20, 2017: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/28604375/retained-upper-third-molars-during-le-fort-i-osteotomy-with-downfracture
#14
Marco Friscia, Marzia Petrocelli, Carolina Sbordone, Raffaele Corvino, Fabio Maglitto, Francesco Maria Cassandro, Giorgio Iaconetta, Luigi Califano
AIM: The aim of our study is to demonstrate that the presence of upper wisdom teeth must be evaluated before and during Le Fort I osteotomy because attention must be focused to the disadvantages or facilitations of surgery depending on molar presence. MATERIALS OF STUDY: Our study has analyzed two groups, each one including 20 patients, 10 males and 10 females, with an age between 16-30 years. The first group was treated with le Fort I osteotomy leaving in situ the wisdom upper third molars...
2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28601432/stability-and-surgical-complications-in-segmental-le-fort-i-osteotomy-a-systematic-review
#15
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/28599124/three-dimensional-reconstruction-of-post-traumatic-deficient-anterior-maxilla
#16
Adi Rachmiel, Dekel Shilo, Dror Aizenbud, Mark Pen, Dana Rachmiel, Omri Emodi
PURPOSE: Maxillary retrognathism appears in 14.3% of patients exhibiting malocclusion after trauma treatment. This report describes the application of alveolar distraction osteogenesis (ADO) for treating the severely deficient anterior maxilla after trauma injuries in the vertical and anteroposterior planes. MATERIALS AND METHODS: This is a retrospective study of patients exhibiting severe vertical and anteroposterior maxillary bone deficiency after trauma injuries and treated by ADO as a first stage with additional Le Fort I advancement when required...
May 15, 2017: 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
#17
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/28570459/alar-pinning-in-rigid-external-distraction-for-midfacial-hypoplasia
#18
Jenny L Yu, Albert S Woo
BACKGROUND: Distraction osteogenesis with a rigid external distractor is a widely accepted treatment for midfacial hypoplasia. In this study, the authors introduce the utilization of alar pinning with the external halo distractor for maxillary advancement, in place of an oral splint. METHODS: A retrospective chart review was conducted of 7 patients who successfully underwent distraction osteogenesis using the alar pinning technique. Midfacial hypoplasia was secondary to Crouzon syndrome (n = 4), Apert syndrome (n = 1), Pfeiffer syndrome (n = 1), or bacterial meningitis (n = 1)...
May 31, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28570410/nasal-soft-tissue-change-following-bimaxillary-orthognathic-surgery
#19
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/28562535/the-structural-changes-of-upper-airway-and-newly-developed-sleep-breathing-disorders-after-surgical-treatment-in-class-iii-malocclusion-subjects
#20
Ui Lyong Lee, Hoon Oh, Sang Ki Min, Ji Ho Shin, Yong Seok Kang, Won Wook Lee, Young Eun Han, Young Jun Choi, Hyun Jik Kim
Bimaxillary surgery is the traditional treatment of choice for correcting class III malocclusion which is reported to cause an alteration of oropharyngeal structures and upper airway narrowing that might be a predisposing factor for obstructive sleep apnea (OSA). This study aimed to analyze sleep parameters in class III malocclusion subjects and ascertain the prevalence of snoring or OSA following bimaxillary surgery.A total of 22 patients with Le Fort I osteotomy and mandibular setback for class III malocclusion were prospectively enrolled...
June 2017: Medicine (Baltimore)
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