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Zygomaticomaxillary complex

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https://www.readbyqxmd.com/read/27913446/use-of-bioresorbable-implants-for-orbital-fracture-reconstruction
#1
Stephanie M Young, Gangadhara Sundar, Thiam-Chye Lim, Stephanie S Lang, George Thomas, Shantha Amrith
PURPOSE: Bioresorbable implants offer several advantages over permanent implants and serve as a useful alternative in the reconstruction of orbital fractures. Our aim of the study was to evaluate the clinical effectiveness and safety of various bioresorbable implants in the repair of orbital fractures. METHODS: A retrospective review of all patients who had undergone orbital fracture repair with bioresorbable implants in a single tertiary trauma centre from January 2005 to December 2014 was performed...
December 2, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27890546/radiological-evaluation-of-sphenozygomatic-suture-fixation-for-restoration-of-orbital-volume-a-retrospective-study
#2
Rohit Sharma, Chiyyarath Gopalan Muralidharan, Indranil Deb Roy, Narendra Kumar Jain, Seema Patrikar
PURPOSE: Lateral displacement of fracture zygomaticomaxillary complex (ZMC) can cause significant increase in orbital volume leading to enophthalmos. The aim of this study was to radiologically evaluate the efficacy of sphenozygomatic (SZ) suture fixation for restoration of orbital volume after elevation of the temporalis in cases of fracture ZMC where the fixation of zygomatic arch (ZA) was deemed necessary through latero-posterior approach. MATERIALS & METHODS: 43 operated cases of fracture ZMC using 4-point fixation were divided into two groups...
October 20, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27833710/current-management-of-zygomaticomaxillary-complex-fractures-a-multidisciplinary-survey-and-literature-review
#3
Scott J Farber, Dennis C Nguyen, Gary B Skolnick, Albert S Woo, Kamlesh B Patel
Despite the prevalence of zygomaticomaxillary complex (ZMC) fractures, there is no consensus regarding the best approach to management. The aim of this study is to determine differences in ZMC fracture treatment among various surgical specialties. A survey was conducted regarding treatment of patients with different ZMC fractures that included a minimally displaced fracture (Case 1), a displaced fracture without diplopia (Case 2), a displaced fracture with diplopia (Case 3), and a complex comminuted fracture (Case 4)...
November 2016: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/27833333/zygomaticomaxillary-complex-fractures-a-review-of-101-cases
#4
Bhasker Yamsani, Rajasekhar Gaddipati, Nandagopal Vura, Sudhir Ramisetti, Rajitha Yamsani
AIM: ZMC fractures are the common facial injuries. The main causes of fractures are trauma due to RTAs, assaults, falls, sports related injuries, and the civilian warfares. This study is to evaluate and review the etiology, incidence, clinical findings and treatment of ZMC fractures. A sincere effort has been put forward in the management of ZMC fractures and their efficacy is evaluated in the larger interest of the patients. MATERIALS AND METHODS: In this study 101 patients having displaced ZMC fractures with insignificant medical history were reviewed to evaluate the versatility of its management, with the main emphasis on post operative stability, restoration of mouth opening, wound healing, esthetic restoration of the prominence of cheek and the complications encountered...
December 2016: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/27833286/diagnostic-tools-in-maxillofacial-fractures-is-there-really-a-need-of-three-dimensional-computed-tomography
#5
Sheerin Shah, Sanjeev K Uppal, Rajinder K Mittal, Ramneesh Garg, Kavita Saggar, Rishi Dhawan
INTRODUCTION: Because of its functional and cosmetic importance, facial injuries, especially bony fractures are clinically very significant. Missed and maltreated fractures might result in malocclusion and disfigurement of the face, thus making accurate diagnosis of the fracture very essential. In earlier times, conventional radiography along with clinical examination played a major role in diagnosis of maxillofacial fractures. However, it was noted that the overlapping nature of bones and the inability to visualise soft tissue swelling and fracture displacement, especially in face, makes radiography less reliable and useful...
May 2016: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/27830139/advantages-of-intraoral-and-transconjunctival-approaches-for-posterior-displacement-of-a-fractured-zygomaticomaxillary-complex
#6
Ji Yong Yoo, Jang Won Lee, Seung Jae Paek, Won Jong Park, Eun Joo Choi, Kyung-Hwan Kwon, Moon-Gi Choi
BACKGROUND: Fracture of the zygomaticomaxillary complex (ZMC) is one of the most common facial injuries. A previous study has performed 3D analyses of the parallel and rotational displacements that occur in a fractured ZMC. However, few studies have investigated adequate fixation methods according to these displacements. Here, we assessed whether specific approaches and fixation methods for displacement of ZMC fractures produce esthetic results. METHODS: Hospital records and pre- and post-surgical computed tomographic scans of patients treated for ZMC fractures at the Department of Oral and Maxillofacial Surgery, College of Dentistry, Wonkwang University, between January 2010 and December 2015, were selected...
December 2016: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27755402/alternative-treatment-for-blow-in-fracture-of-lateral-orbital-wall-removal-of-the-fractured-fragment
#7
Jinyong Cho, Jaeyoung Ryu
Blow-in fracture of the zygomaticomaxillary complex that was displaced into the orbital cavity could be associated with ophthalmologic injuries, ranging from visual acuity to ocular motility limitation. Appropriate reduction and realignment of the fractured bone is necessary as early as possible for recovery of function and esthetics. However, limitation of accessibility and visibility makes it difficult for delicate surgery and increases the risk of damage of adjacent anatomic structures, such as optic nerve and extraocular muscles...
October 14, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27752203/meta-analysis-of-etiology-and-its-clinical-and-radiological-correlation-in-cases-of-craniomaxillofacial-trauma
#8
Ritesh Kumar, Syed Saeed Ahmed, Gulam Sarwar Hashmi, Md Kalim Ansari, Sajjad Abdur Rahman
AIM: The present study was planned to investigate the etiology of injuries and to analyze correlation between clinical and radiological findings in cases of craniomaxillofacial trauma. STUDY DESIGN: An 18 months cross-sectional study was done and 325 patients with maxillofacial fractures were analyzed from January 2013 to June 2014 who reported to the department of oral and maxillofacial surgery, Aligarh, Uttar Pradesh. Data was recorded in a preformed case sheet which included: patient's demographic data, cause of injury, type of injury, treatment plan...
September 2016: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/27733307/surgical-treatment-of-unilateral-zygomaticomaxillary-complex-fractures-a-7-year-observational-study-assessing-treatment-outcome-in-153-cases
#9
Wouter M M T van Hout, Ellen M Van Cann, Ronald Koole, Antoine J W P Rosenberg
: This study investigates treatment outcome in zygomaticomaxillary complex (ZMC) fracture repair. METHODS: The medical records and CT-images of patients that received treatment for a unilateral ZMC fracture in 2005-2011 were studied. ZMC fractures were categorised as incomplete (type A), tetrapod (type B) or comminuted (type C). The incidence of sequelae, wound infection and secondary surgical interventions was analysed per fracture category. RESULTS: A total of 153 patients were treated in the selected period...
November 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27622103/use-of-composite-osteotemporoparietal-fascia-flap-for-midface-reconstruction-after-en-bloc-resection-of-squamous-cell-carcinoma-involving-the-zygomaticomaxillary-complex
#10
Daniel D Lee, Tyler Kenning, Carlos D Pinheiro-Neto
The osteotemporoparietal fascia flap (OTPFF) has been used for bony defects, especially on the maxilla and orbital floor. However, there are limited reports about the reconstruction of the zygoma. We report the use of composite OTPFF for reconstruction of zygomaticomaxillary complex. The patient had undergone zygomaticomaxillary complex reconstruction with composite OTPFF because of the resection of recurrent postradiation tumor. Extratemporoparietal fascia was harvested and rotated to cover the medullary surface of the bone flap...
August 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/27591093/measuring-zygomaticomaxillary-complex-symmetry-three-dimensionally-with-the-use-of-mirroring-and-surface-based-matching-techniques
#11
Jean-Pierre T F Ho, Ruud Schreurs, Dan M J Milstein, Leander Dubois, Thomas J J Maal, Jan de Lange, Alfred G Becking
OBJECTIVE: The study aim was to validate a new method for measuring zygomaticomaxillary complex (ZMC) symmetry, which can be helpful in analyzing ZMC fractures. METHODS: Three-dimensional virtual hard-tissue models were reconstructed from computed tomography (CT) datasets of 26 healthy individuals. Models were mirrored and superimposed. Absolute average distance (AD) and 90th percentile distance (NPD) were used to measure overall and maximal symmetry. The Intraclass Correlation Coefficient (ICC) was calculated to measure interobserver consistency...
August 6, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27556232/do-radiologists-and-surgeons-speak-the-same-language-a-retrospective-review-of-facial-trauma
#12
Erica Kristen Ludi, Saurabh Rohatgi, Matthew E Zygmont, Faisal Khosa, Tarek N Hanna
OBJECTIVE: The objective of the present study is to examine the concordance of facial fracture classifications in patients with trauma who underwent surgery and to assess the epidemiologic findings associated with facial trauma. MATERIALS AND METHODS: Patients with trauma who underwent facial CT examination and inpatient operative intervention during a 1-year period were retrospectively analyzed. Patient demographic characteristics, the mechanism of injury, the radiology report, the surgical diagnosis, and clinical indications were reviewed...
November 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27484599/functional-evaluation-of-the-behavior-of-masticatory-muscles-in-zygomaticomaxillary-complex-fracture-a-prospective-study
#13
Srimathi Panchanathan, Maya Saranathan, Arun Kumar Kamalakaran, Karthikeyan Duraisamy
AIMS: The purpose of this study is to functionally evaluate the behavior of the masticatory muscles (masseter and temporalis) following zygomaticomaxillary complex (ZMC) fractures by assessing bite force, electromyography (EMG), and mandibular movements. MATERIALS AND METHODS: Group I consisted of 20 patients with unilateral ZMC fractures who were treated surgically with one-, two-, or three-point fixations at the frontozygomatic, infraorbital, or zygomaticomaxillary buttress region as per clinical and radiological assessments...
2016: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/27405789/cell-morphologic-changes-and-pcna-expression-within-craniofacial-sutures-during-monkey-class-iii-treatment
#14
X Han, H Lu, S Li, Y Xu, N Zhao, Y Xu, W Zhao
OBJECTIVES: To evaluate and compare the cellular morphologic changes and proliferating cell nuclear antigen (PCNA) expression within craniofacial sutures in growing Rhesus monkeys treated with a Class III functional appliance. MATERIALS AND METHODS: Six Rhesus monkeys in the mixed dentition stage were divided into three groups: a 45-day experimental group, a 90-day experimental group, and a control group. Monkeys in the experimental groups were fitted with a Class III magnetic twin-block appliance...
July 13, 2016: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/27300011/fractures-of-the-posterolateral-maxillary-sinus-a-masticator-space-blowout-injury
#15
William K Erly, Jennifer L Becker, Radha Inampudi, Seung John Hur, Kambiz Nael, Wayne S Kubal
BACKGROUND AND PURPOSE: Segmental, depressed fractures of the posterolateral maxillary sinus may occur as a result of trauma to the masticator space, previously described in association with mandibular fractures. The authors hypothesize that the fracture is due to a transient increase in pressure in the masticator space (blow out) and therefore should be seen in association with other regional fractures. MATERIALS AND METHODS: Injuries of the masticator space were retrospectively identified by searching the imaging database from January 2014 to November 2014 for keywords that would identify regional trauma...
October 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27255572/zygomatic-fractures-technical-modifications-for-better-aesthetic-and-functional-results-in-older-patients
#16
Antonio Cortese, Mario Caggiano, Franco Carlino, Giuseppe Pantaleo
INTRODUCTION: The zygomaticomaxillary complex, with its intrinsically prominent convexity, is highly vulnerable to injury. In this study, we evaluated a novel combined approach to the reduction and stabilization of frontozygomatic dislocated fractures without aesthetic damage. MATERIALS AND METHODS: Ten patients (mean age, 52 years) were referred for complex frontozygomatic dislocated fractures. Five patients underwent a transconjunctival approach without canthotomy in association with a transoral maxillary approach and lateral-rim skin incision, also without canthotomy...
September 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27213738/delayed-facial-nerve-palsy-after-open-reduction-of-an-isolated-zygomaticomaxillary-complex-fracture
#17
Rodolfo E Manosalva, Damian Dyckman, Jonathan M Melzer
Facial nerve paralysis is a devastating complication which can occur after a variety of otolaryngic procedures, including facial trauma repair. The frontal and marginal branches are most often placed at risk. However, facial nerve paralysis is not typically described as a risk in most uncomplicated facial trauma repairs of the zygomaticomaxillary complex (ZMC). In particular, buccal branch injury has not been described in a delayed setting following repair of the ZMC. The authors present a patient of delayed buccal branch paralysis following a simple ZMC repair which has not been previously reported...
June 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27192638/applying-craniofacial-principles-to-neurosurgical-exposures-in-cerebrovascular-aneurysm-repair
#18
Michael Alperovich, Jordan D Frey, Matthew B Potts, Howard A Riina, David A Staffenberg
The subspecialty of craniofacial surgery emphasizes skeletal exposure, preservation of critical structures, and provision of a superior cosmetic result. In recent decades, an emphasis on minimally invasive neurosurgical exposure has paved the way for increased collaboration between neurosurgeons and craniofacial surgeons.The 1990s saw the growing popularity of an eyebrow incision for orbital roof craniotomies in neurosurgery to address lesions in the anterior skull base. Disadvantages of this approach included conspicuous scarring above the brow skin, risk of injury to the frontal branch of the facial nerve, and numbness from supraorbital or supratrochlear nerve transection...
June 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27084574/reduction-malarplasty-using-a-zygomatic-arch-lifting-technique
#19
Chang Heon Hwang, Myung Chul Lee
BACKGROUND: Broad or excessive malar protrusion is a trait associated with aggression and old age in Asian cultures. Although various methods of shifting the zygoma have been introduced for reduction malarplasty, soft tissue sagging and inadequate bony union still remain great challenges. We have devised an arch-lifting technique that helps overcome these issues. An analysis of surgical outcomes is presented herein. METHODS: A total of 54 patients subjected to lifting malar reductions between January 2013 and November 2014 were retrospectively reviewed...
June 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/27014521/reevaluating-the-utility-of-maxillary-sinus-opacification-as-a-screening-tool-for-facial-bone-fracture-a-decade-after-its-original-analysis
#20
Vadim Grechushkin, Konstantin Boroda, Ammar Chaudhry, Jason Eisenberg
In 1997, Lambert and colleagues demonstrated that the absence of sinus fluid on head CT essentially excludes a fracture involving the sinus walls. Our purpose is to reevaluate this association utilizing the current standard of imaging technology. With improved image resolution, we aim to reassess whether the sensitivity and specificity of the "clear sinus sign" are improved or worsened. Furthermore, the current standard of care is to obtain a CT of the facial bones along with a head CT when facial trauma is suspected, so we also analyzed the association of the "clear sinus sign" with nasal bone and mandible fractures...
2016: Curēus
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