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Zygomatic fractures

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https://www.readbyqxmd.com/read/29916982/late-complication-associated-with-the-treatment-of-orbital-floor-fracture-with-titanium-mesh
#1
Pedro Jorge Cavalcante Costa, Johnny Holanda de Gauw, José Zenou Costa Filho, Raphael Teixeira Moreira, Paulo Domingos Ribeiro Júnior
Treatment of orbital fractures involves restoration of lost bone anatomy and orbital volume. Among the materials used for this purpose, the titanium mesh is widely used due to its effectiveness and low complication rate related to distortion especially in non-traumatic events. This study shows an atypical and late complication involving the deformation of the titanium mesh used during reconstruction of the orbital floor in a patient with orbital zygomatic complex fracture 5 months after the procedure and without traumatic etiology...
June 18, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29892330/unusual-superolateral-dislocation-of-mandibular-condyle
#2
Tabishur Rahman
We describe a case of maxillofacial trauma in a pediatric patient in whom the mandibular condyle was superolaterally displaced into the temporal fossa, medial to the zygomatic arch which was intact. In addition, there was an associated mandibular symphyseal fracture. To our knowledge, this case is the first of its kind to be reported in the literature. We also observed a complication in the form of development of ankylosis in the involved joint which required another surgery.
June 2018: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/29888286/anatomical-thin-titanium-mesh-plate-structural-optimization-for-zygomatic-maxillary-complex-fracture-under-fatigue-testing
#3
Yu-Tzu Wang, Shao-Fu Huang, Yu-Ting Fang, Shou-Chieh Huang, Hwei-Fang Cheng, Chih-Hao Chen, Po-Fang Wang, Chun-Li Lin
This study performs a structural optimization of anatomical thin titanium mesh (ATTM) plate and optimal designed ATTM plate fabricated using additive manufacturing (AM) to verify its stabilization under fatigue testing. Finite element (FE) analysis was used to simulate the structural bending resistance of a regular ATTM plate. The Taguchi method was employed to identify the significance of each design factor in controlling the deflection and determine an optimal combination of designed factors. The optimal designed ATTM plate with patient-matched facial contour was fabricated using AM and applied to a ZMC comminuted fracture to evaluate the resting maxillary micromotion/strain under fatigue testing...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29886068/intraoperative-3-dimensional-cone-beam-computed-tomographic-imaging-during-reconstruction-of-the-zygoma-and-orbit
#4
Thomas Gander, Michael Blumer, Claudio Rostetter, Maximilian Wagner, Daniel Zweifel, Paul Schumann, Daniel B Wiedemeier, Martin Rücker, Harald Essig
OBJECTIVE: Fractures of the zygoma and orbit are common facial skeleton injuries. Inadequate reduction and internal fixation may result in functional and aesthetic impairment. The aim of this study was to assess the use of intraoperative 3-dimensional (3-D) cone beam computed tomography (CBCT) for determining the intraoperative revision rate and the need for additional reconstruction of the orbit. STUDY DESIGN: We conducted a retrospective analysis of 48 consecutive patients (15 females, 33 males) suffering from simple or complex zygomatic fractures, seen between June 2015 and October 2016...
May 7, 2018: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29876169/primary-repair-of-a-complex-panfacial-fracture-by-dog-bite
#5
Cláiton Heitz, Guilherme Pivatto Louzada, Ricardo Augusto Conci, Renato Luiz Rodrigues, Guilherme Genehr Fritscher
Facial fractures due to dog attacks have an unknown incidence rate. To date, only 41 cases of canine bite trauma in a pediatric patient, associated with facial fracture, have been reported in the literature. As major species of involving dogs are the American pitbull terrier and rottweiler. Due to the intense kinematics of this trauma, the treatment becomes complex. Thus, attention to the primary repair of such complex lesions ensures satisfactory results, which is the focus of this discussion. The purpose of this review was to analyze how different ways to approach this type of trauma in children for clarification or correct management...
April 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29792378/location-and-distribution-of-craniomaxillofacial-fractures-in-45-cats-presented-for-the-treatment-of-head-trauma
#6
Ingrid Tundo, Peter Southerden, Andrew Perry, Richard M Haydock
Objectives The aim of this retrospective study was to describe the location and distribution of craniomaxillofacial (CMF) fractures in 45 cats presented to a veterinary referral centre between 2012 and 2017. Methods Cats with a history of head trauma, one or more CMF fractures and a pretreatment CT scan of the CMF region were included in this study. For the purpose of the study, the CMF skeleton was divided into 15 functional anatomical regions and the fracture sites were allocated to one of these functional regions...
May 1, 2018: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/29771827/the-influence-of-socioeconomic-factors-on-the-epidemiology-of-maxillofacial-fractures-in-southern-italy
#7
Carolina Sbordone, Ida Barca, Marzia Petrocelli, Giovanni Dell'Aversana Orabona, Luigi Angelo Vaira, Walter Colangeli, Maria Giulia Cristofaro, Mario Giudice, Amerigo Giudice, Francesco Maria Cassandro, Federica Attanasi, Giorgio Iaconetta, Luigi Califano
Maxillofacial fractures represent a serious public health problem. Their epidemiology is extremely variable and its analysis is crucial to establish effective treatment and prevention of these injuries. The aim of this multicentric retrospective study was to analyze causes, demographics, incidence, characteristics of 987 patients diagnosed with maxillofacial trauma between 2011 and 2015 at Complex Operative Unit of Maxillofacial Surgery of Federico II University of Naples and Magna Graecia University of Catanzaro, Italy; 657 male and 310 female patients were admitted in the study...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29769591/clinical-retrospective-case-control-study-on-the-mechanics-of-obstacle-in-mouth-opening-and-malocclusion-in-patients-with-maxillofacial-fractures
#8
Hai-Hua Zhou, Kun Lv, Rong-Tao Yang, Zhi Li, Xue-Wen Yang, Zu-Bing Li
This study aims to identify and distinguish various factors that may influence the clinical symptoms (limited mouth opening and malocclusion) in patients with maxillofacial fractures. From January 2000 to December 2009, 963 patients with maxillofacial fractures were enrolled in this statistical study to aid in evaluating the association between various risk factors and clinical symptoms. Patients with fractured posterior mandibles tended to experience serious limitation in mouth opening. Patients who sustained coronoid fractures have the highest risk of serious limitation in mouth opening (OR = 9...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29754158/-a-phd-completed-midfacial-trauma-patients-in-amsterdam-an-epidemiological-survey
#9
E G Salentijn
A population of patients in Amsterdam with midfacial fractures was studied. Traffic accidents were found to be the most common cause, followed by violence and falls. The zygomatic complex was the most common fracture site. The majority of surgically treated patients consisted of men between 20 and 29 years of age. In addition to fracture displacement, indicative factors for surgery appear to be age, comorbidity and the presence or absence of functional problems. 8.1% of the surgically treated patients appear to have suffered brain damage...
May 2018: Nederlands Tijdschrift Voor Tandheelkunde
https://www.readbyqxmd.com/read/29746842/does-the-deep-layer-of-the-deep-temporalis-fascia-really-exist
#10
Hui Li, Kaide Li, Wenhao Jia, Chaoying Han, Jinlong Chen, Lei Liu
PURPOSE: It has been widely accepted that a split of the deep temporal fascia occurs approximately 2 to 3 cm above the zygomatic arch and extends into the superficial and deep layers. The deep layer of the deep temporal fascia is between the superficial temporal fat pad and the temporal muscle. However, during procedures, the authors noted the absence of the deep layer of the deep temporal fascia between the superficial temporal fat pad and the temporal muscle. This prospective study was conducted to clarify the presence or absence of a deep layer of the deep temporal fascia...
April 14, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29745761/diagnostic-reliability-of-low-dose-multidetector-computed-tomography-and-cone-beam-computed-tomography-in-maxillofacial-trauma-an-experimental-blinded-and-randomized-study
#11
Romke Rozema, Michiel Hj Doff, Peter Ma van Ooijen, Douwe Postmus, Henriëtte E Westerlaan, Martijn F Boomsma, Baucke van Minnen
OBJECTIVE: To assess the diagnostic reliability of low dose Multidetector Computed Tomography (MDCT) and Cone Beam Computed Tomography (CBCT) for zygomaticomaxillary fracture diagnosis. METHODS: Unilateral zygomaticomaxillary fractures were inflicted on four out of six fresh frozen human cadaver head specimens. All specimens were scanned using four MDCT and two CBCT imaging protocols of which the radiation exposure was systematically reduced. A blinded diagnostic routine was simulated at which 16 radiologists and 8 oral and maxillofacial (OMF) surgeons performed randomized image assessments...
May 10, 2018: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/29742580/delayed-reduction-of-zygomatic-arch-fracture-effectiveness-of-the-rowe-zygoma-elevator
#12
Jinwoo Kim, Woosuk Hwang
The zygomaticomaxillary complex fractures are common fractures among the all facial fractures, and the zygomatic arch fracture accounts for approximately 10% of all facial fractures. Various routes (Gillies app, Direct cutaneous app, Bicoronal, intraoral) and devices (Foley's ballon catheter, Rowe zygoma elevator, Langenbach, deschamps needle holder, Bone hook) for a surgical intervention of the zygomatic arch have been introduced. However, no study exists that has described an effective method of surgery for zygomatic arch fractures that have been left untreated for a long period, or for unstable reduction that have not been reduced >1 month after surgery...
May 8, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29697631/facial-fractures-pearls-and-perspectives
#13
Obaid Chaudhry, Matthew Isakson, Adam Franklin, Suhair Maqusi, Christian El Amm
LEARNING OBJECTIVES: After studying this article, the participant should be able to: 1. Describe the A-frame configuration of anterior facial buttresses, recognize the importance of restoring anterior projection in frontal sinus fractures, and describe an alternative design and donor site of pericranial flaps in frontal sinus fractures. 2. Describe the symptoms and cause of pseudo-Brown syndrome, describe the anatomy and placement of a buttress-spanning plate in nasoorbitoethmoid fractures, and identify appropriate nasal support alternatives for nasoorbitoethmoid fractures...
May 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29565705/zygomatic-dental-implant-induced-orbital-fracture-and-inferior-oblique-trauma
#14
Ann Q Tran, Daniela P Reyes-Capó, Nimesh A Patel, Joshua Pasol, Hilda Capó, Sara T Wester
A 51-year-old female underwent four upper zygomatic dental implants (ZI) and one upper and four lower conventional implants. Immediately postoperatively, the patient had pain and diplopia upon manual elevation of the edematous eyelid. Panoramic x-ray showed a malpositioned right upper ZI, requiring removal of the right upper ZI the following day. The patient had delayed referral to ophthalmology one month later for persistent diplopia. Computed tomography scan and magnetic resonance imaging demonstrated a right inferolateral fracture with fibrosis surrounding the inferior oblique muscle...
March 22, 2018: Orbit
https://www.readbyqxmd.com/read/29480233/3d-reconstruction-images-of-cone-beam-computed-tomography-applied-to-maxillofacial-fractures-a-case-study-and-mini-review
#15
Liyun Bai, Linlin Li, Kexin Su, Anthony Bleyer, Yuanyuan Zhang, Ping Ji
Maxillofacial injuries can be complex and are clinically important due to their functional and cosmetic significance. Maltreated and missed fractures might cause deformity of the face; thus, accurate evaluation of the fracture provided by X-ray images is critical. In this study, we explore the application of cone-beam computed tomography (CBCT) for diagnosis of severe maxillofacial traumas. A patient with a complex fracture that affects the maxilla, mandible, wall of the maxillary sinus, zygoma, zygomatic arch and nasal bone was diagnosed using 3D reconstruction of CBCT images...
2018: Journal of X-ray Science and Technology
https://www.readbyqxmd.com/read/29476683/changing-pattern-and-etiology-of-maxillofacial-fractures-during-the-civil-uprising-in-western-libya
#16
M-S Elarabi, A-B Bataineh
BACKGROUND: The purpose of the present study was to evaluate changing pattern in characteristics of maxillofacial fractures and concomitant injuries in Western Libya During revolution and to assess the association between mechanism of injury and fracture patterns. MATERIAL AND METHODS: A retrospective review of medical records and radiographs of 187 patients treated for maxillofacial fractures from January 2010 to December 2012 was performed, there were 326 fractures in 187 patients...
March 1, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29438657/biocompatibility-and-efficiency-of-biodegradable-magnesium-based-plates-and-screws-in-the-facial-fracture-model-of-beagles
#17
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/29422224/development-of-a-novel-anatomical-thin-titanium-mesh-plate-with-reduction-guidance-and-fixation-function-for-asian-zygomatic-orbitomaxillary-complex-fracture
#18
Yu-Tzu Wang, Chih-Hao Chen, Po-Fang Wang, Chun-Li Lin
For this study we developed an anatomical thin titanium mesh (ATTM) plate for Asian zygomaticomaxillary complex (ZMC) fracture repair with reduction guidance and fixation function. The ATTM plate profile was designed as an L-shape to fix at the anterior maxilla and lateral buttress of the ZMC. Computer-aided stamping analysis was performed on four screw-hole patterns in the ATTM plate - a control without screw-holes, square screw-holes, double screw-holes, and large-diameter, double screw-holes - using upper/lower dies of averaged ZMC reconstruction models...
April 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29387309/correction-of-a-posttraumatic-orbital-deformity-using-three-dimensional-modeling-virtual-surgical-planning-with-computer-assisted-design-and-three-dimensional-printing-of-custom-implants
#19
Kristopher M Day, Paul M Phillips, Larry A Sargent
We describe a case of complex, posttraumatic skull and orbital deformities that were evaluated and treated with advanced computer technology, including virtual surgical planning, three-dimensional (3D) modeling, and printed patient custom implants (PCI) fabricated by 3D printing. A 50-year-old man presented to our craniofacial referral center 1 year after failed reduction of complex left orbital, zygomatic, and frontal bone fractures due to a motorcycle collision. The patient's chief complaint was debilitating diplopia in all fields of gaze...
March 2018: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/29381608/treatment-of-sagittal-fracture-of-the-zygomatic-arch-root-assisted-by-surgical-navigation-technology
#20
Jin-Hong Dai, Dong-Dong Xu, Chang-Yuan Yang, Zu-Bing Li, Zhi Li
Sagittal fracture at the temporal root of the zygomatic arch often occurs as a part of zygomaticomaxillary fractures. The authors described the application of computer-assisted navigation in the lag screw insertion for the fixation of sagittal fracture at the temporal root of zygomatic arch. Using the presurgical planning of the computer-assisted navigation system, the trajectory of lag screw insertion was designed, and the insertion depth was calculated. In the presurgical planning, the trajectory of screw insertion was placed with an anterior inclination of 10° to 15° (mean: 12...
January 29, 2018: Journal of Craniofacial Surgery
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