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Zygomaticomaxillary

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https://www.readbyqxmd.com/read/29218289/craniofacial-fibrous-dysplasia-of-zygomaticomaxillary-complex
#1
Kumar Nilesh, Prashant Punde, M I Parkar
Fibrous dysplasia is a benign bone disease first described by Lichtenstein in 1938. It is characterized by progressive replacement of normal bone with fibro-osseous connective tissue. When the disease involves craniofacial skeleton, it results in significant disfigurement and other functional problems. This paper reports a case of large craniofacial fibrous dysplasia involving zygomaticomaxillary complex in a 24-year old male patient. Clinical presentation and imaging characteristics of the pathology is discussed in detail...
September 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/29207845/two-episodes-of-trigeminocardiac-reflex-during-a-pan-facial-fracture-surgery-a-rare-phenomenon-case-report-and-review-of-literature
#2
Abhishek Bhattacharjee, Prashanth Rajaram, Abhishek Khatua, K B Rudresh, Pallavi B Krishnamurthy
Trigeminocardiac reflex is a sudden physiologic response due to mechanical manipulation of any of the branches of trigeminal nerve. Trigeminocardiac reflex occurs due to pressure effect or stretching of trigeminal nerve which causes fall in blood pressure and decrease in heart rate. In this reflex arc, the trigeminal nerve serves as afferent pathway and vagus nerve, which is cardio inhibitory in nature, serves as efferent pathway. Two episodes of trigeminocardiac reflex during maxillofacial trauma surgery is not a common phenomenon...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29198484/retroseptal-transconjunctival-approach-for-fractures-of-the-zygomaticomaxillary-complex-a-retrospective-study
#3
Rohit Sharma, Shailey Singh, Seema Patrikar
We designed a retrospective study to evaluate the efficacy of retroseptal transconjunctival approaches in the management of fractures of the zygomaticomaxillary complex (ZMC). The patients were from a single institution, and had had three-point fixation of fractures of the ZMC between 2008 and 2016. A total of 77 patients (56 men and 21 women with a mean (range) age of 28 (18-54) years), were divided into two groups. Group I (n=51) had had reduction and fixation of the infraorbital rim using a retroseptal transconjunctival approach...
November 29, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/29121488/analysis-of-facial-symmetry-after-zygomatic-bone-fracture-management
#4
Mohamad Saleh Khaqani, Fateme Tavosi, Mahdi Gholami, Hamid Reza Eftekharian, Leila Khojastepour
PURPOSE: The location of the zygomatic bone plays an important role in facial symmetry and esthetics. The aim of this study was to determine and compare the frequency of facial asymmetry in a sample of patients who had undergone treatment of unilateral zygomaticomaxillary complex (ZMC) fractures (study group) and a sample of patients without ZMC fracture (control group). MATERIALS AND METHODS: This was a retrospective controlled cross-sectional study. The primary predictor variable was the type of ZMC fracture (linear or comminuted)...
October 14, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29046241/natural-variation-of-the-zygomaticomaxillary-complex-symmetry-in-normal-individuals
#5
Jean-Pierre T F Ho, Ruud Schreurs, Souhir Aydi, Roya Rezai, Thomas J J Maal, Arjen J van Wijk, Ludo F M Beenen, Leander Dubois, Dan M J Milstein, Alfred G Becking
OBJECTIVE: The study aim was to investigate variations in the symmetry of the zygomaticomaxillary complex (ZMC) in normal individuals. METHOD: Computed tomography datasets of 200 individuals without facial fractures were analyzed using a validated three-dimensional analysis technique. The absolute average distance (AD) and 90th percentile distance (NPD) were calculated, representing respectively the overall and maximum symmetry between bilateral ZMCs. RESULTS: The mean AD and NPD of the total study group was 0...
September 23, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29038626/maxillofacial-injuries-in-women-a-retrospective-study-of-10%C3%A2-years
#6
Sudhir Ramisetty, Rajasekhar Gaddipati, Nandagopal Vura, Satheesh Pokala, Sheetal Kapse
INTRODUCTION: Diversities exists in incidence, etiology and epidemiology of facial fractures among male and female individuals due to various reasons. Many of the epidemiological studies published during the millennium have shown male predilection. This study was carried to evaluate the etiology, patterns and distribution of facial fractures among different age groups in women. MATERIALS AND METHODS: This Retrospective epidemiological study dealt with a total of 302 women with 422 fractures in maxillofacial region during a period of June 1st 2005 to May 31st 2015 at Mamata Dental College and Hospital, Khammam, Telangana, India...
December 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28986000/the-effect-of-light-emitting-diode-590-830%C3%A2-nm-based-low-level-laser-therapy-on-posttraumatic-edema-of-facial-bone-fracture-patients
#7
Woo Yeol Baek, Il Hwan Byun, In Sik Yun, Jae Yoon Kim, Tai Suk Roh, Dae Hyun Lew, Young Seok Kim
PURPOSE: Posttraumatic edema in facial bone fracture patients may interfere with the operation field and delay the schedule. Thus, swiftly reducing the edema alleviates patient discomfort and advances the operation date. Ice packing and compression bandages are often used for such a purpose, but such methods are often inconvenient for the face. In this study, we aim to analyze the effect of light-emitting diode (LED) (590/830 nm)-based low-level laser therapy (LLLT) in posttraumatic edema in facial bone fracture patients...
September 2, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28941507/management-of-zygomaticomaxillary-complex-fractures
#8
REVIEW
E Bradley Strong, Celeste Gary
Zygomaticomaxillary fractures account for approximately 25% of all facial fractures. They can be grouped into high-velocity and low-velocity injuries. A complete head and neck examination is critical for accurate clinical diagnosis. A thin-cut axial CT scan with sagittal, coronal, and 3-D reconstruction is important for accurate diagnosis and treatment planning. A thorough understanding of bony tetrapod anatomy and fracture mechanics is critical to treatment planning. Treatment options include closed and open reduction with internal fixation...
November 2017: Facial Plastic Surgery Clinics of North America
https://www.readbyqxmd.com/read/28913290/delayed-onset-methicillin-resistant-staphylococcus-aureus-infection-at-18-months-after-absorbable-plate-fixation-for-zygomaticomaxillary-complex-fracture
#9
Hyun Rok Lee, Hea Kyeong Shin, Dong Lark Lee, Gyu Yong Jung
None of the reports of delayed infection mentioned a latent period exceeding 13 months. we report an infection that developed 18 months after implantation of an absorbable plate. A 16-year-old adolescent girl had undergone reduction and fixation with an absorbable plate for Lefort I and zygomaticomaxillary complex fractures 18 months prior at our hospital. In her most recent hospital visit as an outpatient, abscess was observed in periocular area. Computed tomography revealed sinusitis with an abscess above the infraorbital rim...
December 2016: Archives of Craniofacial Surgery
https://www.readbyqxmd.com/read/28913285/surgical-methods-of-zygomaticomaxillary-complex-fracture
#10
So Young Ji, Seung Soo Kim, Moo Hyun Kim, Wan Suk Yang
BACKGROUND: Zygoma is a major buttress of the midfacial skeleton, which is frequently injured because of its prominent location. Zygoma fractures are classified according to Knight and North based on the direction of anatomic displacement and the pattern created by the fracture. In zygomaticomaxillary complex (ZMC) fracture many incisions (lateral eyebrow, lateral upper blepharoplasty, transconjunctival, subciliary, subtarsal, intraoral, direct percutaneous approach) are useful. We reviewed various approaches for the treatment of ZMC fractures and discussed about incisions and fixation methods...
December 2016: Archives of Craniofacial Surgery
https://www.readbyqxmd.com/read/28751941/did-king-philip-ii-of-ancient-macedonia-suffer-a-zygomatico-orbital-fracture-a-maxillofacial-surgeon-s-approach
#11
Panagiotis Stathopoulos
Philip II, father of Alexander the Great, succeeded his brother, Perdiccas III, to the throne of Macedonia in 360 BC. He has been described by historians as a generous king and military genius who managed to achieve his ambitious plans by expanding the Macedonian city-state over the whole Greek territory and the greater part of the Balkan Peninsula. The aim of our study was to present the evidence with regard to the facial injury of King Philip II of Macedonia and discuss the treatment of the wound by his famous physician, Critobulos...
September 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28719569/stress-analysis-of-zygomatic-implants-on-the-augmented-maxillary-sinus-is-it-necessary-to-graft
#12
Süleyman Kaman, Fethi Atıl, Umut Tekin, Ozkan Ozgul, Mustafa Ercument Önder, Seda Yılmaz, Hamiyet Gungor, Ismail Doruk Kocyigit
PURPOSE: Zygomatic implants are becoming an ideal therapy with advanced implant-supported prosthetic treatment for the posterior atrophic maxilla. The purpose of this study is to examine the quantity and distribution of stress, which was caused by zygomatic implants placed using intrasinus method with or without augmentation to the atrophic posterior maxilla. MATERIALS & METHODS: In this study, 3-dimensional atrophic edentulous maxilla models with and without sinus augmentation are designed with computer-aided programs...
July 17, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28710911/a-novel-technique-for-reduction-malarplasty-by-inward-displacement-of-infractured-zygomatic-arch-without-fixation
#13
Qingfeng Li, Bowen Gao, Ke Li, Feng Xie, Hainan Zhu, Liang-Gang Yu
PURPOSE: Reduction malarplasty is one of the most common esthetic surgical procedures performed in the Asian population. Traditional procedures have several complications, such as bone nonunion, malunion, cheek drooping, and damage to the infraorbital nerve and maxillary sinus. Therefore, a more straightforward and effective method of reducing the width of the midface is needed. In this study, we introduce an infracture technique using inward displacement of the zygomatic arch without fixation...
June 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28692502/reconstruction-of-zygomaticomaxillary-buttress-with-mandibular-ramus-bone-graft-in-atrophic-maxillary-fracture
#14
Gabriel Mulinari-Santos, Sormani Queiroz, João Paulo Bonardi, Valthierre Nunes Lima, Juliana Zorzi Coléte, Francisley Ávila Souza, Idelmo Rangel Garcia-Júnior, Leonardo Perez Faverani
No abstract text is available yet for this article.
October 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28660731/zygomaticomaxillary-suture-maturation-part-ii-the-influence-of-sutural-maturation-on-the-response-to-maxillary-protraction
#15
F Angelieri, A C Ruellas, M S Yatabe, L H S Cevidanes, L Franchi, C Toyama-Hino, H J De Clerck, T Nguyen, J A McNamara
OBJECTIVE: To evaluate the influence of the maturational stages of zygomaticomaxillary sutures (ZMS) on the response to maxillary protraction. SUBJECTS AND METHODS: A total of 40 Class III patients were treated retrospectively with either a combination of rapid maxillary expansion and facial mask (RME/FM) or bone-anchored maxillary protraction (BAMP). The RME/FM group consisted of 18 patients (mean age 8.3 years), while the BAMP group was comprised of 22 patients (mean age 11...
August 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28548998/zygomaticomaxillary-complex-fractures-diagnosis-and-treatment
#16
Nicholas Peretti, Stephen MacLeod
PURPOSE OF REVIEW: To provide an overview of zygomaticomaxillary complex (ZMC) fractures and their treatment. Aspects of anatomy, diagnosis, and treatment objectives of these common fractures will be reviewed including recent literature. RECENT FINDINGS: Advances in technology such as guided surgery have allowed for better outcomes and a reduction in surgeon variability with regard to postoperative results. The use of titanium and bioresorbable mini screws and plates have expanded the ability to achieve stable and predictable results...
August 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28526292/australopithecus-sediba-and-the-emergence-of-homo-questionable-evidence-from-the-cranium-of-the-juvenile-holotype-mh-1
#17
William H Kimbel, Yoel Rak
Malapa Hominin (MH) 1, an immature individual whose second permanent molars had recently reached occlusion at the time of death, is the holotype of Australopithecus sediba, a 2-myr-old South African taxon that has been hypothesized to link phylogenetically australopith-grade hominins to the Homo clade. Given the existence of 2.8 myr-old fossils of Homo in eastern Africa, this hypothesis implies a ghost lineage spanning at least 800 kyr. An alternative hypothesis posits a unique relationship between A. sediba and Australopithecus africanus, which predates the Malapa hominins in southern Africa and whose phylogenetic relationships remain ambiguous...
June 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28526211/the-orbit-first-a-novel-surgical-treatment-protocol-for-secondary-orbitozygomatic-reconstruction
#18
Ruud Schreurs, Leander Dubois, Alfred G Becking, Thomas J J Maal
A novel surgical treatment sequence for secondary orbitozygomatic complex (OZC) reconstruction is described. Orbital reconstruction is performed before OZC repositioning. A surgical plan is made: the affected OZC is virtually osteotomized and aligned with a mirrored model of the unaffected OZC. A patient-specific implant (PSI) is designed for orbital reconstruction. Screw holes from the primary reconstruction are used for fixation. Primary screw hole positions at the repositioned OZC are embedded in the design, to guide OZC repositioning...
April 20, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28414869/zygomaticomaxillary-suture-maturation-a-predictor-of-maxillary-protraction-part-i-a-classification-method
#19
F Angelieri, L Franchi, L H S Cevidanes, C T Hino, T Nguyen, J A McNamara
OBJECTIVE: The aim of this study was to present a method of classifying the maturational level of the zygomaticomaxillary sutures (ZMSs). METHODS: Cone-beam CT (CBCT) images from 74 subjects (5.6-58.4 years) were examined to define the radiographic stages of ZMS maturation. Five stages of maturation of the ZMS were identified and defined: Stage A-uniform high-density sutural line, with no or little interdigitation; Stage B-scalloped appearance of the high-density sutural line; Stage C-two parallel, scalloped, high-density lines, separated in some areas by small low-density spaces; Stage D-fusion in the inferior portion of the suture; and Stage E-complete fusion...
May 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28326716/-zygomaticomaxillary-complex-fractures-with-infraorbital-nerve-damage
#20
Su Jianan, Xu Bing
Zygomaticomaxillary complex (ZMC) fracture is a common type of maxillofacial fracture. In addition to facial depression and diplopia, paresthesia of the lower eyelid, malar regions, nose skin, upper lip skin, and mucous membranes occurs because of infraorbital nerve injury. This article reviewed the anatomy, diagnosis, assessment, treatment, and prognosis of ZMC fracture-related infraorbital nerve injury.
October 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
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