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Craniomaxillofacial

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https://www.readbyqxmd.com/read/29771838/face-transplantation-an-update-for-the-united-states-trauma-system
#1
Scott J Farber, Rami S Kantar, J Rodrigo Diaz-Siso, Eduardo D Rodriguez
Face transplantation has evolved over the last 12 years into a safe and feasible reconstructive solution, with good aesthetic and functional outcomes for patients with severe facial defects who are not amenable to reconstruction through conventional and autologous approaches. Among patients who underwent face transplantation to date, a significant proportion did so following trauma, mostly ballistic and thermal injuries. It is therefore important for trauma surgeons who deal with these injuries regularly to be familiar with the literature on face transplantation following traumatic injuries...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29769371/how-are-we-currently-training-and-maintaining-clinical-readiness-of-us-and-uk-military-surgeons-responsible-for-managing-head-face-and-neck-wounds-on-deployment
#2
John Breeze, J G Combes, J DuBose, D B Powers
INTRODUCTION: The conflicts in Iraq and Afghanistan provided military surgeons from the USA and the UK with extensive experience into the management of injuries to the head, face and neck (HFN) from high energy bullets and explosive weaponry. The challenge is now to maintain the expertise in managing such injuries for future military deployments. METHODS: The manner in which each country approaches four parameters required for a surgeon to competently treat HFN wounds in deployed military environments was compared...
May 16, 2018: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/29762318/endoscopically-assisted-modified-caldwell-luc-approach-to-enucleation-of-dentigerous-cyst-with-ectopic-tooth-from-the-maxillary-sinus
#3
Isaac Liau, Nicholas Lynch, Brenton Hearn, Andrew Cheng
Dentigerous cysts in the craniomaxillofacial complex are a benign pathology commonly associated with ectopically placed teeth. Owing to slow and asymptomatic growth, they often attain considerable size before diagnosis that may compromise adjacent anatomical structures. Various techniques for removal of dentigerous cysts from the maxillary sinus have been described. This case report demonstrates a hybrid endoscopically assisted modification of the Caldwell-Luc approach to provide the technical advantages of both techniques...
May 14, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29684308/fracture-healing-and-bone-remodeling-with-human-standard-sized-magnesium-versus-polylactide-co-glycolide-plate-and-screw-systems-using-a-mini-swine-craniomaxillofacial-osteotomy-fixation-model
#4
Benoît Schaller, John Patrik Matthias Burkhard, Madeleine Chagnon, Stefan Beck, Thomas Imwinkelried, Michel Assad
PURPOSE: This study compared the degradation profile, safety, and efficacy of bioresorbable magnesium alloy and polylactide-co-glycolide (PLGA) polymer osteosynthesis systems for the treatment of fractures in a load-sharing maxillofacial environment using a new mini-swine fracture fixation model. MATERIALS AND METHODS: Two types of clinically relevant situations were evaluated in 5 Yucatan miniature pigs. Defined porcine midface osteotomies of the supraorbital rim and zygoma were created and fixed with either a coated magnesium (test animals) or PLGA plate and screw osteosynthesis system (control animals)...
March 31, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29651506/characteristics-on-621-cases-of-craniomaxillofacial-fractures
#5
Yang Lu, Hangqi Shen, Jiayi Wang, Xiaofeng Lu
PURPOSE: This study examined a single center's experience with regards to etiology and distribution of fractures treated from July 2015 to August 2016 in Shanghai, China. METHODS: The medical records of 621 patients with craniomaxillofacial fractures were reviewed. Patient notes and radiographic images were analyzed for detailed injury data. Age, gender, etiology, and site of fracture were examined. Chi-square test was used to analyze the causes of single and multiple fractures...
April 12, 2018: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/29549022/landmark-independent-method-to-determine-midsagittal-plane-and-its-clinical-application-in-craniomaxillofacial-trauma
#6
Xiaotian Lian, Jun Guo, Wei Zeng, Hai Qing, Rui Ju, Wei Tang
PURPOSE: The purpose of this study was to explore new landmark-independent methods suitable for determining the midsagittal plane (MSP) in patients with craniomaxillofacial trauma and its clinical application. MATERIALS AND METHODS: Preoperative computed tomography data of 25 patients with craniomaxillofacial trauma were imported into Mimics software (Materialise, Leuven, Belgium) to reconstruct 3-dimensional skull models. In the experimental group, the MSP was determined by different landmarks that were clear, were scattered, and did not have displacement according to the types of fractures...
February 20, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29547465/orbital-plates-and-screws-causing-globe-fixation-a-rare-and-delayed-complication-of-craniomaxillofacial-surgery
#7
Varun Chandra, Danielle Buck, Rahul Chakrabarti, Alan McNab
A 24-year-old woman presented with a 1-year history of gradually increasing pain on eye movements, worse on the right. She had a significant background of undergoing intracranial correction of orbital hypertelorism with internal fixation of the lateral orbital rims at the age of 6 years. Imaging was consistent with bilateral metallic foreign bodies from both lateral orbital rims protruding into the globes. The patient underwent removal of bilateral plates and screws, with a significant improvement of symptoms and ocular motility postoperatively...
May 2018: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29525391/an-evidence-based-practical-approach-to-pediatric-otolaryngology-in-the-developing-world
#8
REVIEW
Ryan H Belcher, David W Molter, Steven L Goudy
Despite humanitarian otolaryngology groups traveling in record numbers to resource-limited areas treating pediatric otolaryngology disease processes and training local providers, there remains a large burden of unmet needs. There is a meager amount of published information that comes from the developing world from an otolaryngology standpoint. As would be expected, the little information that does comes involves some of the most common pediatric otolaryngology diseases and surgical burdens including childhood hearing loss, otitis media, adenotonsillectomies, airway obstructions requiring tracheostomies, foreign body aspirations, and craniomaxillofacial surgeries, including cleft lip and palate...
June 2018: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/29521761/office-based-three-dimensional-printing-workflow-for-craniomaxillofacial-fracture-repair
#9
Adekunle Elegbede, Silviu C Diaconu, Colton H L McNichols, Michelle Seu, Yvonne M Rasko, Michael P Grant, Arthur J Nam
Three-dimensional printing of patient-specific models is being used in various aspects of craniomaxillofacial reconstruction. Printing is typically outsourced to off-site vendors, with the main disadvantages being increased costs and time for production. Office-based 3-dimensional printing has been proposed as a means to reduce costs and delays, but remains largely underused because of the perception among surgeons that it is futuristic, highly technical, and prohibitively expensive. The goal of this report is to demonstrate the feasibility and ease of incorporating in-office 3-dimensional printing into the standard workflow for facial fracture repair...
March 8, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29519986/a-study-on-shotgun-injuries-to-the-craniomaxillofacial-region-in-a-nigerian-tertiary-health-center
#10
E B Edetanlen, B D Saheeb
Context: Short-range shotgun wounds of the craniomaxillofacial region are life-threatening and are as devastating as military rifle wounds. Aims: This study aimed to evaluate the pattern of presentation of craniomaxillofacial shotgun injuries, types of shotgun injuries, and the outcome of treatments in our environment. Setting and Design: This is a prospective observational study. Materials and Methods: This is a prospective observational study conducted from February 2006 to March 2012...
March 2018: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29481510/removal-of-the-residual-roots-displaced-into-the-maxillary-sinus-via-endoscopy
#11
Xunming Wang, Shihao Li, Zhiquan Huang, Qian Cai, Zixian Huang, Weiliang Chen
Minimally invasive endoscopic surgery has been developed for various indications in the craniomaxillofacial area. The case report presented in this article is focused on the possibility of removing the residual roots displaced into the maxillary sinus by means of an endoscopic technique. When planning endoscopic surgery to access the residual roots displaced in the maxillary sinus, we performed 2 different approaches into the maxillary sinus, a transnasal approach through the middle or inferior turbinate and transoral approach via the anterior maxillary sinus wall...
February 23, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29481293/craniomaxillofacial-disorders-and-solutions-in-humans-and-animals
#12
B Arzi, A Moshaverinia, F J M Verstraete, N Fiani, I Nishimura
Cross-disciplinary collaborations have initiated translational studies in an effort to harness naturally occurring diseases in companion animals to accelerate the development of new treatment modalities, drugs, and device inventions. These synergistic collaborations can identify clinically relevant models that offer the opportunity to conduct rigorous translational investigations. However, the relationship between craniomaxillofacial diseases in companion animals and humans has been widely overlooked. We report here an innovative and visionary 2-d symposium that was organized to gather professionals working on craniomaxillofacial disorders and solutions in humans and/or animals from multiple disciplines, including veterinary physicians, basic scientists, biomedical engineers, physicians, and dentists...
April 2018: Journal of Dental Research
https://www.readbyqxmd.com/read/29476678/craniomaxillofacial-morphology-alterations-in-children-adolescents-and-adults-with-neurofibromatosis-1-a-cone-beam-computed-tomography-analysis-of-a-brazilian-sample
#13
E-B Luna, M-E-R Janini, F Lima, R-R-A Pontes, F-R Guedes, M Geller, L-E da Silva, A-T Motta, K-S Cunha
BACKGROUND: Oral manifestations are common in neurofibromatosis 1 (NF1), and include jaws and teeth alterations. Our aim was to investigate the craniomaxillofacial morphology of Brazilian children, adolescents and adults with NF1 using cone beam computed tomography. MATERIAL AND METHODS: This study was conducted with 36 Brazilian individuals with NF1 with ages ranging from 4 to 75. The participants were submitted to anamnesis, extra and intraoral exam and cephalometric analysis using cone beam computed tomography...
March 1, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29460516/clinical-applications-of-natural-bone-morphoproteins-in-dentistry-a-narrative-review
#14
L Ottria, A Palmieri, M Andreasi Bassi, D Lauritano, V Candotto, A Tagliabue, L Tettamanti
The need to restore bone loss in maxilla and mandible has led to find natural bone substitutes, such as fresh autogenous bone grafts. Fresh autogenous bone grafts (FABGs) have a remarkable capacity to induce new bone formation, a phenomenon called ‘osteoinduction.’ FABGs are useful in craniomaxillofacial and oral applications to restore bone deficiencies. The isolation of those proteins believed to be responsible for the osteoinductive activity of FABGs, namely Natural Bone Morphogenetic Proteins (NBMPs), led to a new era in bone regeneration...
January 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29438657/biocompatibility-and-efficiency-of-biodegradable-magnesium-based-plates-and-screws-in-the-facial-fracture-model-of-beagles
#15
Byung Jun Kim, Yinglan Piao, Maierdanjiang Wufuer, Woo-Chan Son, Tae Hyun Choi
PURPOSE: A biodegradable magnesium alloy system has been developed as a substitute for conventional plates and screws made of titanium or absorbable polymer. However, previous studies were limited to small animal experiments using screws or wires. In the present study, we preliminarily evaluated the biocompatibility and effectiveness of human standard-size biodegradable magnesium-based plates and screws in facial fractures of beagles. MATERIALS AND METHODS: Fracture lines were created bilaterally in the zygomatic arches of 6 beagles...
May 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29429232/-reconstruction-of-orbital-defect-with-craniomaxillofacial-implant
#16
X Zhang, S L Chen, D Y Huang, W Deng, J P Li
To evaluate the clinical results of reconstruction orbital defect with craniomaxillofacial implant. Three patients with orbital defect were treated with ten implants. The magnetic abutments were attached six months after one stage operation and the prostheses were fabricated. Within 11 to 47 months of follow up, all implants were stable with successful osseointegration. The prosthesis fit the orbital defects well. Reconstruction of orbital defect with craniomaxillofacial implant can be considered as a viable alternative treatment...
February 9, 2018: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/29411735/the-importance-of-early-diagnosis-of-gardner-s-syndrome-in-dental-examination
#17
M Z Adisen, A Okkesim, M Misirlioglu
Gardner syndrome (GS) is a rare genetic disorder. Dentists play an important role in diagnosis considering that craniomaxillofacial osteomas are a major criteria for GS. We report a 26-year-old male patient who referred to our department with toothache. On routine panoramic radiographic examination, multiple radiopaque masses were detected incidentally. In addition, on extraoral examination, a soft tissue tumor was detected on his shoulder. The patient was referred to the gastroenterology department and intestinal polyps were detected in the colon...
January 2018: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29409690/prevalence-of-nasolacrimal-canal-obstruction-and-epiphora-following-maxillary-orthognathic-surgery
#18
E M Ozcan, G Dergin, S Basa
Acquired injuries of the nasolacrimal apparatus may be the result of craniomaxillofacial surgical procedures, facial trauma, or inflammation. Injury to the nasolacrimal duct system following maxillary orthognathic surgery is rarely reported. This study evaluated the importance of early diagnosis and treatment of epiphora developing after Le Fort I surgery. The records of 83 patients who underwent maxillary orthognathic surgery over a 2-year period were reviewed. The prevalence of postoperative epiphora was 3...
June 2018: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29396921/a-thermoresponsive-citrate-based-macromolecule-for-bone-regenerative-engineering
#19
Simona Morochnik, Yunxiao Zhu, Chongwen Duan, Michelle Cai, Russell R Reid, Tong-Chuan He, Jason Koh, Igal Szleifer, Guillermo A Ameer
There is a need in orthopaedic and craniomaxillofacial surgeries for materials that are easy to handle and apply to a surgical site, can fill and fully conform to the bone defect, and can promote the formation of new bone tissue. Thermoresponsive polymers that undergo liquid to gel transition at physiological temperature can potentially be used to meet these handling and shape-conforming requirements. However, there are no reports on their capacity to induce in vivo bone formation. The objective of this research was to investigate whether the functionalization of the thermoresponsive, antioxidant macromolecule poly(poly-ethyleneglycol citrate-co-N-isopropylacrylamide) (PPCN), with strontium, phosphate, and/or the cyclic RGD peptide would render it a hydrogel with osteoinductive properties...
June 2018: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29387305/craniomaxillofacial-fibrous-dysplasia-conservative-treatment-and-maxillary-osteotomy-using-the-schuchardt-kufner-technique
#20
Manlio Galiè, Giulia Carnevali, Giovanni Elia, Massimo Pedriali, Luigi C Clauser
Fibrous dysplasia (FD) is a disturbance of the mesenchymal tissue that accounts for 2.5% of all bone tumors and more than 7% of nonmalignant bone tumors. In the craniomaxillofacial region, FD affects the calvaria, skull base, zygoma, and jaws, the prevalent site being the maxilla (50% of cases). Therapy for craniomaxillofacial FD is surgical. The goals of surgery are to prevent functional disorders and restore facial symmetry, volume, and contour. In this article, we present a case of a young female patient affected by right orbital-zygomatic-maxillary FD...
March 2018: Craniomaxillofacial Trauma & Reconstruction
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