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https://www.readbyqxmd.com/read/28918071/the-masseteric-nerve-an-anatomical-study-in-thai-population-with-an-emphasis-on-its-use-in-facial-reanimation
#1
Apichai Angspatt, Chirayu Pannanusorn
BACKGROUND: The use of the masseteric nerve has been escalated as a donor nerve for facial reanimation in facial palsy patient (Wang et al., 2014; Manktelow et al., 2006; Klebuc, 2011; Bianchi et al., 2012; Zuker et al., 2000; Bae et al., 2006; Terzis, Konofaos, 2013; Terzis, Olivares, 2009; Bianchi et al., 2014). Previous studies had been done in Euro-Caucasian cadavers (Kaya et al., 2014). However, difference in anatomical details does exist between Asian and Euro-Caucasian population (Tzou et al...
September 13, 2017: Asian Journal of Surgery
https://www.readbyqxmd.com/read/28914590/canine-salivary-glands-analysis-of-rab-and-snare-protein-expression-and-snare-complex-formation-with-diverse-tissue-properties
#2
Hiroshi Gomi, Hiromi Osawa, Rie Uno, Tadashi Yasui, Masahiro Hosaka, Seiji Torii, Azuma Tsukise
The comparative structure and expression of salivary components and vesicular transport proteins in the canine major salivary glands were investigated. Histochemical analysis revealed that the morphology of the five major salivary glands-parotid, submandibular, polystomatic sublingual, monostomatic sublingual, and zygomatic glands-was greatly diverse. Immunoblot analysis revealed that expression levels of α-amylase and antimicrobial proteins, such as lysozyme, lactoperoxidase, and lactoferrin, differed among the different glands...
September 1, 2017: Journal of Histochemistry and Cytochemistry: Official Journal of the Histochemistry Society
https://www.readbyqxmd.com/read/28913285/surgical-methods-of-zygomaticomaxillary-complex-fracture
#3
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: Arch Craniofac Surg
https://www.readbyqxmd.com/read/28913283/reduction-of-zygomatic-arch-isolated-fracture-using-ultra-sound-and-needle-marking
#4
Jun Sik Kim, Young Ji Park, Yoon Jung Lee, Nam Gyun Kim, Kyung Suk Lee
BACKGROUND: Zygomatic arch is a bony arch constituting the lateral midface, which consists of 25% of all midface fractures. There are a number of ways to evaluate the extent of zygomatic arch fracture. Some authors have reported successful treatment outcomes using ultrasound (U/S). To add to the previous methods, we have considered ways to accurately display the location of the fracture line while using U/S with 23 gauge needle marking. We introduce our method, which provided satisfactory results for reduction using a portable U/S, and it can evaluate the fracture line simultaneously when reduction of an isolated zygomatic arch fracture is necessary, and needle marking, which can easily point out the fracture line on U/S...
December 2016: Arch Craniofac Surg
https://www.readbyqxmd.com/read/28911958/application-of-real-time-surgical-navigation-for-zygomatic-implant-insertion-in-patients-with-severely-atrophic-maxilla
#5
Feng Wang, Michael M Bornstein, Kuofeng Hung, Shengchi Fan, Xiaojun Chen, Wei Huang, Yiqun Wu
PURPOSE: Computer-aided treatment technology has extended its applications to oral implantology. This report describes the authors' initial clinical experience on the application of a commercially available navigation system (VectorVision) in zygomatic implant (ZI) insertion in the severely atrophic maxilla. MATERIALS AND METHODS: This was a retrospective longitudinal study. Eligible patients with maxillary edentulism who were treated with ZI placement were enrolled...
August 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28906337/a-three-dimensional-study-of-midfacial-changes-following-le-fort-ii-distraction-with-zygomatic-repositioning-in-syndromic-patients
#6
James M Smartt, Carey Campbell, Rami Hallac, Jake Alford, Christopher A Derderian
Le Fort II distraction with zygomatic repositioning introduced the ability to restore central midfacial height and convexity independent of changes in orbital morphology. This study analyzes midfacial and orbital morphology before and after Le Fort II distraction with zygomatic repositioning.All patients who underwent Le Fort II Distraction with zygomatic repositioning between 2013 and 2015 were included. Two- and 3-dimensional measurements were made using 3dMD Vultus software to assess canthal tilt, nasolabial angle, ratio of midfacial to lower facial height, and absolute change in nasal length...
September 12, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28894662/acellular-dermal-matrix-treating-periocular-melanoma-in-a-patient-with-xeroderma-pigmentosa
#7
Kamlen Pillay, Saleigh Adams, Laura Vandermaesen, Donald Anthony Hudson
We report a 7-year-old girl with xeroderma pigmentosum (XP), who presented in our clinic with a large melanoma (35 × 50 × 20 mm, Breslow depth 18 mm) in the zygomatic-malar area. Palliative surgery was performed to maintain her residual vision and to reduce the pain caused by the compression of local structures. Because of the limited access of autologous skin grafts in pediatric patients with XP who are severely affected, we opted to use an acellular dermal matrix. There was 100% graft uptake, and the pain due to compression by the tumor was alleviated...
August 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28891900/use-of-a-balloon-catheter-with-intraoperative-c-arm-fluoroscan-for-reduction-of-zygomatic-arch-fractures
#8
Woon Jae Noh, Tae Jung Park, Joo Yeon Kim, Jae Hwan Kwon
BACKGROUND AND OBJECTIVES: The purpose of this study was to evaluate the usefulness of C-arm fluoroscan with a balloon catheter in patients undergoing closed reduction of zygomatic arch fractures. SUBJECTS AND METHODS: All patients who had zygomatic arch reduction surgery between 2006 and 2015 were identified and classified into 2 groups. Group A included those patients who underwent closed reduction of zygomatic arch fractures. Group B included those who underwent zygomatic arch reduction surgery with a C-arm fluoroscan and supporting balloon...
September 7, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28886351/does-dexamethasone-facilitate-neurosensory-function-regeneration-after-zygomatic-fracture-a-randomized-controlled-trial
#9
Aleksi Haapanen, Hanna Thorén, Satu Apajalahti, Anna Liisa Suominen, Johanna Snäll
PURPOSE: This study sought to clarify the rate of neurosensory disturbance (NSD) after zygomatic complex fractures in general, as well as the effect of perioperatively administered dexamethasone on neurosensory recovery. PATIENTS AND METHODS: This was a single-blinded randomized study aiming to clarify the benefits of perioperative dexamethasone after surgery. The patients were randomly assigned either to receive dexamethasone (up to a total dose of 10 or 30 mg) or to act as control patients (no glucocorticoid treatment)...
August 12, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28884074/exophthalmos-associated-to-orbital-zygomatic-mucocele-and-complex-maxillary-malformation-in-a-puppy
#10
Alessandro Cirla, Marco Rondena, Giovanna Bertolini, Giovanni Barsotti
A case of exophthalmos due to zygomatic mucocele in a puppy with ipsilateral segmental maxillary atrophy is reported. A 7-month-old, mixed breed, male dog suffered the sudden-onset of unilateral painful exophthalmos and a gradual swelling of the right temporal region. A compressing, right retrobulbar mass was observed by ultrasound. Computed tomography revealed a large multiloculated cyst-like lesion of the right zygomatic gland projecting into the orbital space, thus displacing the eyeball. The ipsilateral molar part of the maxillary bone was underdeveloped, besides showing crowded, abnormal, multiple, unerupted maxillary molar teeth in the caudal maxillary region...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/28873016/minimally-invasive-removal-of-nonmobile-zygomatic-dental-implants-affected-by-peri-implantitis-and-chronic-sinusitis
#11
Eduardo Anitua, Mohammad Hamdan Alkhraisat
Not applicable.
September 5, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28872496/advantages-of-a-beveled-osteotomy-on-the-zygomatic-arch-during-reduction-malarplasty
#12
Tae Sung Lee, Sanghoon Park
During a conventional reduction malarplasty procedure, a dual approach including intraoral incisions and preauricular incisions is made to reduce both the zygomatic body and arch. As the preauricular approach is performed to cut the zygomatic arch, there are several remarkable advantages that can be achieved by simply beveling the osteotomy anteriorly on the zygomatic arch. This has the benefits of enhancing bone union by the increase in cross-sectional area for bone contact, decreasing palpability on the osteotomy site, placing the osteotomy more posteriorly, preventing depression in the anterior malar region, and reducing the need for metal fixtures...
September 1, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28863914/three-dimensional-assessment-of-soft-tissue-changes-associated-with-bone-anchored-maxillary-protraction-protocols
#13
Mohammed H Elnagar, Eman Elshourbagy, Safaa Ghobashy, Mohamed Khedr, Budi Kusnoto, Carla A Evans
INTRODUCTION: The aim of this study was to assess the 3-dimensional soft tissue changes in growing Class III patients with maxillary deficiency associated with 2 bone-anchored maxillary protraction protocols in relation to an untreated control group of Class III patients. METHODS: Growing skeletal Class III patients between the ages of 10 and 14 years participated in this study. In group 1 (n = 10), skeletally anchored facemasks were used with miniplates placed at the zygomatic buttress...
September 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28852667/long-lasting-chondromyxoid-fibroma-of-the-zygoma-a-rare-case-report-and-review-of-literature
#14
Mohammad Javad Ashraf, Negar Azarpira, Navid Omidifar, Bijan Khademi
Chondromyxoid fibroma (CMF) is a benign tumor which usually occurs in skeletal long bones. Its presence in zygoma is extremely rare. The patient was a 47-year-old female, with chief complaint of painful swelling in the left side of zygoma since 1 month ago after a long-lasting painless swelling for about 15 years. Computed tomography scan showed an osteolytic lesion, in the body of left zygomatic bone with lobulated and well-demarcated margins. During surgery, the mass was completely excised and the histological feature of the tumor was in favor of CMF...
2017: Journal of Education and Health Promotion
https://www.readbyqxmd.com/read/28846931/stimulation-of-morphofunctional-repair-of-the-facial-nerve-with-photobiomodulation-using-the-end-to-side-technique-or-a-new-heterologous-fibrin-sealant
#15
Marcelie Priscila de Oliveira Rosso, Geraldo Marco Rosa Júnior, Daniela Vieira Buchaim, Iris Jasmin Santos German, Karina Torres Pomini, Rafael Gomes de Souza, Mizael Pereira, Idvaldo Aparecido Favaretto Júnior, Cleuber Rodrigo de Souza Bueno, Jéssica Barbosa de Oliveira Gonçalves, Rui Seabra Ferreira Júnior, Benedito Barraviera, Jesus Carlos Andreo, Rogério Leone Buchaim
This research evaluated the influence of Photobiomodulation Therapy (PBMT) on lesions of the facial nerve repaired with the end-to-side technique or coaptation with a new heterologous fibrin sealant. Thirty-two Wistar rats were separated into 5 groups: Control group (CG), where the buccal branch of the facial nerve was collected; Experimental Suture Group (ESG) and Experimental Fibrin Group (EFG), in which the buccal branch was end-to-side sutured to the zygomatic branch on the right side of the face or coaptated with fibrin sealant on the left side; Experimental Suture Laser Group (ESLG) and Experimental Fibrin Laser Group (EFLG), in which the same procedures were performed as the ESG and EFG, associated with PBMT (wavelength of 830nm, energy density 6...
August 18, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28838108/the-infrazygomatic-segment-of-the-superficial-temporal-artery-anatomy-and-technique-for-harvesting-a-better-interposition-graft
#16
Ali Tayebi Meybodi, Michael T Lawton, Ivan El-Sayed, Jason Davies, Halima Tabani, Xuequan Feng, Arnau Benet
BACKGROUND: The superficial temporal artery (STA) is underutilized as an interposition graft because current techniques expose and harvest STA above the level of the zygoma. This technique yields a diminutive arterial segment in both length and diameter, which limits its use for extracranial-intracranial bypass. OBJECTIVE: To introduce a safe and efficient technique for harvesting of the infrazygomatic segment of the STA. METHODS: Scalp layers, STA, and the facial nerve were studied in 18 specimens...
August 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28833486/impaired-periodontium-and-temporomandibular-joints-in-tnf-%C3%AE-transgenic-mice
#17
Toni Dobsak, Patrick Heimel, Stefan Tangl, Uwe Schwarze, Georg Schett, Reinhard Gruber
AIM: TNF-α is a pathological factor causing the characteristic symptoms of periodontal disease and rheumatoid arthritis. In this study we describe the phenotypes of human tumor necrosis factor (TNF)-α transgenic mice (hTNFtg) with respect to their periodontium and the temporomandibular joint (TMJ). MATERIAL AND METHODS: Periodontal structures, TMJ, and skull shape of hTNFtg mice and wild-type (WT) littermates were assessed by micro computed tomography, automated segmentation, geometric morphometrics and histologic ground sections...
August 18, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28826714/internal-maxillary-artery-to-upper-posterior-circulation-bypass-using-a-superficial-temporal-artery-graft-surgical-anatomy-and-feasibility-assessment
#18
Ali Tayebi Meybodi, Michael T Lawton, Roberto Rodriguez Rubio, Sonia Yousef, Xiaoming Guo, Xuequan Feng, Arnau Benet
BACKGROUND: Revascularization of the upper posterior circulation (UPC), including the superior cerebellar [SCA] and posterior cerebral arteries [PCA], may be necessary as part of the surgical treatment of complex UPC aneurysms or vertebrobasilar insufficiency. The existing bypass options have relative advantages and disadvantages. However, the use of a superficial temporal artery graft (STAg) in a bypass from the internal maxillary artery (IMA) to the UPC has not been previously assessed...
August 4, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28809377/health-related-quality-of-life-of-patients-with-zygomatic-fracture
#19
L Kaukola, J Snäll, R Roine, H Sintonen, H Thorén
BACKGROUND: The objective was to evaluate health-related quality of life (HRQoL) before and after surgical treatment of zygomatic complex fracture and assess patients' perceptions of the aesthetic and functional outcomes of surgery. MATERIAL AND METHODS: A prospective study of 79 adult patients before and after surgery for zygomatic complex fracture was conducted. HRQoL was measured using the generic 15-dimensional (15D) instrument, and patient satisfaction was assessed by an additional questionnaire...
August 15, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28766912/measurement-of-the-zygomatic-region-for-the-optimal-placement-of-quad-zygomatic-implants
#20
Kuo-Feng Hung, Qi-Yong Ai, Sheng-Chi Fan, Feng Wang, Wei Huang, Yi-Qun Wu
BACKGROUND: The zygomatic implant is suggested to be placed in zygomatic areas with the largest thickness, but regions to obtain the largest bone-to-implant contact (BIC) were unknown. PURPOSE: To identify the zygomatic regions for placing quad zygomatic implants that obtain the largest BIC. MATERIALS AND METHODS: The zygomatic thicknesses of 300 zygomata were measured at total 12 points on the superior, middle, and inferior areas on the 3-dimensional reconstruction images...
August 1, 2017: Clinical Implant Dentistry and related Research
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