M Longeac, A Depeyre, B Pereira, I Barthelemy, N Pham Dang
OBJECTIVE: the objective of the study is to evaluate the interest of advanced computer technology, including virtual surgical planning, three-dimensional modeling and pre-bended titanium plate and mesh in the treatment of comminuted zygomaticomaxillary complex fractures. MATERIAL AND METHODS: A total of 19 patients were included. In the study group (n=6) surgery was combined with preoperative planning including mirroring and bending of the titanium plates and mesh on a 3D model...
May 18, 2020: Journal of Stomatology, Oral and Maxillofacial Surgery
Shamit S Prabhu, Scotty A Chung, Philip J Brown, Christopher M Runyan
PURPOSE: This study seeks to test a novel technique of custom-printed midface contour models with orbital floor "stamps" to guide reconstruction of orbital floor blowout fractures, with or without concomitant zygomaticomaxillary complex injury. METHODS: A series of 4 consecutive patients with orbital floor blowout fractures (including 3 with zygomatic maxillary complex fractures) were retrospectively examined for outcomes associated with orbital floor reconstruction using 3-dimensional-printed stamps and midface models...
May 19, 2020: Ophthalmic Plastic and Reconstructive Surgery
Anais Lassausaie, Alexandre Sesqué, Isabelle Barthélémy, Arnaud Depeyre
Untreated zygomaticomaxillary complex fractures may lead to aesthetical and functional sequelae needing secondary surgical correction. A 31-year-old male was addressed to our department for right enophthalmos and loss of cheek projection 3 months after facial trauma. Restauration of facial symmetry can be achieved by repositioning of the zygomaticomaxillary complex by osteotomies. To achieve good functional and aesthetical results, the reduction needs to be accurate. This is the main difficulty in delayed cases as there are less anatomical landmarks due to initial trauma and bone remodeling...
May 4, 2020: Journal of Craniofacial Surgery
Jun Hyeok Kim, Ye Sol Kim, Deuk Young Oh, Young Joon Jun, Jong Won Rhie, Suk-Ho Moon
Purpose: To reconstruct a zygomaticomaxillary complex (ZMC) fracture, zygomaticofrontal (ZF) suture is the most reliable site to assess anatomical alignment and to secure rigidity. It has been chosen primary site to be fixed, but approach through the lateral eyebrow incision may leave a visible scar. This study suggests altered two-point fixation of ZMC fracture without accessing the ZF suture. Methods: In the retrospective study, a total of 40 patients with ZMC fracture were divided into two groups (group 1, two-point fixation and group 2, three-point fixation)...
2020: BioMed Research International
Eva Gómez Roselló, Ana M Quiles Granado, Miquel Artajona Garcia, Sergi Juanpere Martí, Gemma Laguillo Sala, Briggitte Beltrán Mármol, Salvador Pedraza Gutiérrez
In patients with facial trauma, multidetector computed tomography is the first-choice imaging test because it can detect and characterize even small fractures and their associated complications quickly and accurately. It has helped clinical management and surgical planning, so radiologists must communicate their findings to surgeons effectively. In Le Fort fractures, there is a breach between the pterygoid plates and the posterior maxilla. These fractures are classified in three basic patterns that can be combined and associated with various complications...
March 19, 2020: Insights Into Imaging
Lukas Hingsammer, Thomas Seier, Jean-Pierre Johner, Michael Blumer, Thomas Gander, Martin Rücker, Maximilian Wagner
PURPOSE: Reconstruction of symmetry after zygomaticomaxillary complex (ZMC) fractures is essential for esthetic appearance as well as function. Therefore, this study aimed to analyze whether bony facial symmetry in patients surgically treated for unilateral ZMC fractures via intraoperative imaging differs from that of healthy individuals. PATIENTS AND METHODS: Retrospective and cross-sectional radiographic measurements of patients treated for unilateral ZMC fractures via intraoperative cone beam computed tomography (CBCT) were performed to evaluate the postoperative ZMC symmetry...
December 2, 2019: Journal of Oral and Maxillofacial Surgery
Gaurav Mittal, Ritesh Garg, Siddharth Sharma, Vidhi Chhabra Rathi, Rakesh Ranjan, Gagan Khare
Introduction: Anatomic disfigurement caused by zygomatic fracture warrants intervention tore establish facial symmetry. It is most predictably restored to pre morbid condition by ORIF. Aim: To evaluate the efficacy of 2 point fixation in Zygomaticomaxillary complex fractures. Material and Method: 20 patients with established ZMC fractures were operated using two point fixation method and followed up for upto 3 months. Results: 2 point fixation revealed satisfactory functional and esthetic results...
July 2019: National Journal of Maxillofacial Surgery
Liza M Cohen, Larissa A Habib, Michael K Yoon
Purpose : To investigate via volumetric analysis whether orbital fat atrophy occurs in late post-traumatic enophthalmos. Methods : An IRB-approved retrospective cohort study identified patients with diagnoses of both orbital fracture and enophthalmos with a CT orbits >3 months after injury. Exclusion criteria were surgical repair, other orbital disease or surgery, adjacent sinus disease, and an abnormal contralateral orbit. Images were analyzed using OsiriX imaging software (v.9.0.2, Pixmeo, Switzerland)...
November 14, 2019: Orbit
Kyeong-Tae Song, Jae Hyun Park, Won Moon, Jong-Moon Chae, Kyung-Hwa Kang
INTRODUCTION: The aim of this study was to investigate 3-dimensional changes of the zygomaticomaxillary complex (ZMC) after mini-implant assisted rapid maxillary expansion (MARME). METHODS: A total of 15 pairs of cone-beam computed tomography 3-dimensional images taken before expansion (T0) and after expansion (T1) were analyzed by measuring changes in the coordinates of the landmarks of the ZMC. RESULTS: Changes in the x coordinates of the landmarks showed significant expansion (P <0...
November 2019: American Journal of Orthodontics and Dentofacial Orthopedics
Andrew A Dobitsch, Nicholas C Oleck, Farrah C Liu, Jordan N Halsey, Ian C Hoppe, Edward S Lee, Mark S Granick
Objective  Sports-related injuries, such as facial fractures, are potentially debilitating and may lead to long-term functional and aesthetic deficits in a pediatric patient. In this study, we analyze sports-related facial fractures in the urban pediatric population in an effort to characterize patterns of injury and improve management strategies and outcomes. Methods  Retrospective chart review was performed for all facial fractures resulting from sports injuries in the pediatric population at a level-1 trauma center (University Hospital, Newark, NJ)...
October 2019: Surgery Journal
Hidetaka Miyazaki, Katsuya Okuda, Kazuki Ueno, Yoshitaka Wada, Shinji Kumegawa, Kazuhisa Uemura, Yasuhiro Sakata, Shinichi Asamura
A surgical approach to zygomaticomaxillary complex (ZMC) fracture has not been standardized. The authors reviewed 15 cases of ZMC fractures treated with the swinging eyelid approach and evaluated the effectiveness of the technique by an observational study of Japanese patients. Results were assessed from authentic and functional perspectives: the presence of entropion/ectropion, external canthal malposition and chemosis of the conjunctiva. After a minimum follow-up of 10 months, no patients had lower eyelid ectropion, entropion or retraction...
October 2019: Journal of Craniofacial Surgery
Julian D Amin, Christopher J Rizzi, Graham Trent, Jewel Greywoode, Lawson Grumbine, Prashant Raghavan, Kalpesh T Vakharia
OBJECTIVE: To define a reliable and consistent landmark, the superior posterior wall of the maxillary sinus, and to describe how this landmark can be used when repairing orbital floor fractures. METHODS: Retrospective chart review. Patients >18 years old diagnosed with unilateral orbital floor and/or zygomaticomaxillary complex fractures. MAIN OUTCOMES: The distance from the inferior orbital rim to the superior posterior wall of the maxillary sinus (landmark distance), and the distance from the landmark to the entrance of the optic canal were reported...
October 2019: Journal of Craniofacial Surgery
Jin Woo Kim, Woosuk Hwang
BACKGROUND: Reduction malarplasty, popular among Asians, is currently performed preferably via the intraoral approach. However, to prevent complications such as malunion and cheek drooping, a rigid fixation is essential to compensate for the action of the masseter. Accordingly, the authors aimed to perform an experimental study on the optimal fixation location during intraoral reduction malarplasty using an L-shaped osteotomy. METHODS: Fixation points that are not difficult to access during an L-shaped osteotomy were selected as 1 point in the freed zygomaticomaxillary complex and 3 points in the medial part of the malar complex (low, middle, and high levels)...
August 28, 2019: Journal of Craniofacial Surgery
Jeong Jin Chun, Chang Yong Choi, Syeo Young Wee, Woo Jin Song, Hyun Gyo Jeong
Posttraumatic pseudoaneurysms of the sphenopalatine artery are rare. Only a few cases have been reported. We report two cases of hemorrhage due to pseudoaneurysm of the sphenopalatine artery. The hemorrhage was uncontrollable. It required embolization. Two patients visited our hospital for treatment of zygomaticomaxillary complex fracture. At the emergency room, patients presented with massive nasal bleeding which ceased shortly. After reduction of the fracture, patients presented persistent nasopharyngeal bleeding...
August 2019: Archives of Craniofacial Surgery
Min Liu, Kun Lv, Zubing Li, Xuewen Yang
BACKGROUND: The surgical approach of the zygomaticomaxillary complex fracture is usually performed with preauricular coronal incision assisted with intraoral maxillary sulcus incision. There will be preauricular scars postoperatively. METHODS: The authors introduce a postauricular hemicoronal incision to avoid the formation of scars in front of the ear. RESULTS AND DISCUSSION: The postauricular hemicoronal incision can avoid vascular damage caused by careless operation in the preauricular approach...
November 2019: Journal of Craniofacial Surgery
Guillaume Giran, Arnaud Paré, Benjamin Croisé, Carine Koudougou, Jacques Marie Mercier, Boris Laure, Pierre Corre, Hélios Bertin
INTRODUCTION: The fixation of unstable zygomaticomaxillary complex (ZMC) fractures can be achieved by open reduction with rigid internal fixation (ORIF) and/or by closed reduction with percutaneous transfacial Kirschner wire fixation (CRWF). The aim of this study was to tomographically assess the symmetry and the protrusion of the cheekbone with unstable ZMC fractures that had been treated by ORIF vs. CRWF. MATERIALS AND METHODS: Sixty patients exhibiting a surgically unstable tetrapodal ZMC fracture were included in this multicenter retrospective study...
2019: PloS One
T Cooper, B Schmutz, E Hsu, A Lynham
The aim of this study was to examine the accuracy of three dimensionally (3D) printed models of the bony orbit derived from magnetic resonance imaging (MRI) for the purpose of preoperative plate bending in the setting of orbital blowout fracture. Retrospective computed tomography (CT) and MRI data from patients with suspected orbital fractures were used. Virtual models were manually generated and analysed for spatial accuracy of the fracture margins. 3D-printed models were produced and orbital fan plates bent by a single operator...
August 8, 2019: International Journal of Oral and Maxillofacial Surgery
Nishtha Gadkari, Shilpa Bawane, Ratima Chopra, Kalyani Bhate, Deepak Kulkarni
BACKGROUND: The zygomaticomaxillary complex (ZMC) functions as the main buttress for the lateral portion of the middle third of the facial skeleton and because of its prominent position & convex shape, it is frequently fractured, alone or along with other bones of the midface. The management of the ZMC fractures is debatable as the literature is saturated with various theories. A number of techniques, from closed reduction to open reduction and internal fixation can be effectively used to manage these fractures...
October 2019: Journal of Cranio-maxillo-facial Surgery
Se Young Kim, Seung Min Nam, Eun Soo Park, Yong Bae Kim
BACKGROUND: The goal of treatment for zygomaticomaxillary (ZM) complex (ZMC) fractures is to achieve stability and restore aesthetic appearance through three-dimensional reduction and rigid fixation. The purpose of this study was to evaluate the stability and aesthetic appearance outcomes of one-point fixation using a three-dimensional photogrammetric analysis. METHODS: From March 2014 to December 2014, 34 patients with ZMC fractures were treated by one-point fixation in the ZM buttress using unsintered hydroxyapatite (u-HA)/poly-L-lactide (PLLA) plates...
July 30, 2019: Journal of Otolaryngology—Head & Neck Surgery
Kwan-Sub Kim, Wu-Seop Lee, Haejun Cho, Sung-Min Shim, Soohyun Kwak, So-Young Ji, SangYoon Jeon, Yong-Min Kim
Although various cases of neuralgia and its treatments have been reported, not enough evidence is present to recommend a single type of treatment as the most effective. The patient we have dealt with experienced significant interferences in his daily life due to chronic allodynia, but the symptom could not be resolved via previously reported treatments. We report a case of which a patient who presented infraorbital neuralgia after trauma was successfully treated by a novel treatment strategy. The patient was treated by applying infraorbital nerve block and pulsed radiofrequency cautery side by side...
2019: Journal of Pain Research
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