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https://www.readbyqxmd.com/read/29322603/the-nerve-supply-of-zygomaticus-major-variability-and-distinguishing-zygomatic-from-buccal-facial-nerve-branches
#1
A Kehrer, S Engelmann, R Bauer, C Taeger, S Grechenig, M Kehrer, L Prantl, E Tamm, Rlaw Bleys, V Mandlik
INTRODUCTION The zygomaticus major (ZM) is important for the human smile. There are conflicting data about whether the zygomatic or buccal branches of the facial nerve are responsible for its motor innervation. The literature provides no precise distinction of the transition zone between these two branch systems. In this study, a definition to distinguish the facial nerve branches at the level of the body of the zygoma is proposed. In the light of this definition, we conducted an anatomical study to determine how the source of innervation of the ZM was distributed...
January 11, 2018: Clinical Anatomy
https://www.readbyqxmd.com/read/29310392/cavernous-hemangiomas-of-the-temporalis-muscle-with-prominent-formation-of-phleboliths-case-report-and-review-of-the-literature
#2
Bin Cui, Dan-Hui Wang, Guan-Jun Wang, Peng Cheng, Feng Zhang, Xiao-Bing Duan, Zhong-Fu Zhao
RATIONALE: Hemangiomas are benign tumors characterized by an abnormal proliferation of blood vessels, most often occur in the skin and subcutaneous tissue, intramuscular hemangioma, a distinctive type of hemangioma within the skeletal muscle, account for <1% of all hemangiomas, temporalis muscle is a very uncommon site, cavernous hemangioma of the temporalis muscle with prominent formation of phleboliths is rare reported. PATIENT CONCERNS: A 62-year-old man presented with a slowly increased mass in his right temporal fossa...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29285335/treatment-of-severe-atrophic-maxilla-with-zygomatic-implants-a-case-series
#3
I Balan, M DI Girolamo, D Lauritano, F Carinci
Treatment of severe maxillary atrophy with implants has achieved important successes in recent years. The limit of implant insertion is related to inadequate bone quantity (i.e. height and width). Alveolar bone grafting, sinus lifting and major grafting via Le Fort I osteotomy have used in the past to restore bone volume prior of implant insertion. However successes do not always occur and a second stage surgery is necessary in most cases. Immediate loading cannot be performed in all grafted bone. In recent years a new treatment approach has been proposed by using zygomatic implants...
July 2017: Oral & Implantology
https://www.readbyqxmd.com/read/29284976/pterygoid-implant-for-atrophic-posterior-maxilla
#4
V R Balaji, R Lambodharan, D Manikandan, S Deenadayalan
Replacement of missing teeth in the posterior maxilla is always a challenge for the treating implant surgeon as the posterior maxilla has several obstacles in the form of quality, quantity, the anatomy of the maxillary sinus, and inaccessibility. To overcome these deficiencies, several surgical procedures such as sinus lift, bone augmentation, tilted implants, short implants, and zygomatic implants were tried. Since these procedures have their own limitations, pterygomaxillary region provides us an excellent place for placement of implant and rehabilitation of posterior maxilla...
November 2017: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/29274150/occupational-group-educational-level-marital-status-and-deleterious-habits-among-individuals-with-maxillofacial-fractures-retrospective-study
#5
D-F-S Esses, F-W-G Costa, C-D-L Sa, P-G-B Silva, T-M-M Bezerra, F-S-R Carvalho, J-R de Medeiros, E-C-S Soares
BACKGROUND: To investigate the occupational profile, educational level, marital status and deleterious habits to the health of patients with maxillofacial fractures of a population of northeastern Brazil. MATERIAL AND METHODS: A retrospective study of patients records admitted to the Division of Oral and Maxillofacial Surgery at the Walter Cantidio University Hospital (Fortaleza, Brazil) who sustained maxillofacial fractures was conducted in the period between 2006 and 2015...
December 23, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29251408/odontogenic-parakeratinized-cyst-resulting-in-exophthalmos-and-palatine-maxillary-and-zygomatic-bone-erosion-in-a-dog
#6
Vanessa L Holly, Lesley A Zwicker, Gregory Starrak, Marina L Leis, Bianca S Bauer, Stephanie Osinchuk, Lynne S Sandmeyer, Bruce H Grahn
A novel case of a canine odontogenic parakeratinized cyst (COPC) that resulted in exophthalmos and palatine, maxillary, and zygomatic bone erosion in a 5-year-old Chihuahua dog is reported. Final diagnosis was aided by cross-sectional imaging (magnetic resonance imaging and computed tomography) and confirmed with histologic examination of the cyst wall.
December 18, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/29240637/the-boomerang-lift-a-3-step-compartment-based-approach-to-the-youthful-cheek
#7
Jillian E Schreiber, Jordan Terner, Carrie S Stern, Javier Beut, Elizabeth B Jelks, Glenn W Jelks, Oren M Tepper
BACKGROUND: Autologous fat grafting (AFG) is an important tool for plastic surgeons treating the aging face. Malar augmentation with fat is often targeted to restore the youthful facial contour and provides support to the lower eyelid. The existence of distinct facial fat compartments suggests a step-wise approach may be appropriate in this regard [1]. Here we describe a three-step approach to malar augmentation using targeted deep malar fat compartmental augmentation, termed the "Boomerang Lift"...
December 13, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29238415/facial-and-orbital-fractures-a-fifteen-years-retrospective-evaluation-of-north-east-sicily-treated-patients
#8
Michele Runci, Francesco Saverio De Ponte, Roberto Falzea, Ennio Bramanti, Floriana Lauritano, Gabriele Cervino, Fausto Famà, Alessandro Calvo, Salvatore Crimi, Silvia Rapisarda, Marco Cicciù
Background: Orbital fractures are classified as diseases usually related to common midface trauma. It represents the most challenging treatment due to the complex anatomy, physiology, and aesthetic role. A midface trauma involves also the zygomatic complex and the nose, however the orbit fracture seems to be a more frequent disease due to its anatomical features. Objective: The purpose of this work is to retrospectively evaluate and record the frequency of the midfacial traumas and orbital fractures observed in the North Eastern Sicily...
2017: Open Dentistry Journal
https://www.readbyqxmd.com/read/29226051/cadaveric-study-for-intraoral-needle-access-to-the-infratemporal-fossa-application-to-posterior-superior-alveolar-nerve-block-technique
#9
Joe Iwanaga, Emily Simonds, Rod J Oskouian, R Shane Tubbs
The posterior superior alveolar (PSA) nerve block is, from an anatomical perspective, challenging because the mandibular ramus and the zygomatic process of the maxilla can interfere with the course of the needle. Dentists empirically know that shifting the patient's mandible to the ipsilateral side can improve visibility and accessibility for such blocks. This cadaveric study aimed to establish anatomical evidence for the ipsilateral mandible shifting used in the PSA. The distance between the lateral most bulging point of the alveolar part of the maxilla and ipsilateral anterior border of the ramus of the mandible ranged from 1...
October 9, 2017: Curēus
https://www.readbyqxmd.com/read/29222560/masseteric-nerve-transfer-for-facial-nerve-paralysis-a-systematic-review-and-meta-analysis
#10
Alexander W Murphey, William B Clinkscales, Samuel L Oyer
Importance: A review of the role of masseteric nerve transfer is needed to guide its use in facial reanimation. Objective: To systematically review the available literature, and, when applicable, analyze the combined outcomes of masseteric nerve transfer to better define its role in reanimation and to guide further research. Data Sources: Two independent researchers conducted the review using PubMed-NCBI and Scopus literature databases for studies on masseteric nerve transfer for facial nerve paralysis...
December 7, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/29206291/cranial-shape-variation-in-adult-howler-monkeys-alouatta-seniculus
#11
Luca Fiorenza, Emiliano Bruner
Howler monkeys (genus Alouatta) display a distinctive cranial architecture characterized by airorhynchy (or retroflexion of the facial skeleton on the cranial base), a small braincase, and a posteriorly oriented foramen magnum. This configuration has been associated with distinct factors including a high folivory diet, locomotion, and the presence of a specialized vocal tract characterized by large hyoid bone. However, the morphological relationships between the facial and neurocranial blocks in Alouatta have been scarcely investigated...
December 5, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/29201576/anatomical-study-of-the-zygomaticotemporal-branch-inside-the-orbit
#12
Joe Iwanaga, Charlotte Wilson, Koichi Watanabe, Rod J Oskouian, R Shane Tubbs
The location of the opening of the zygomaticotemporal branch (ZTb) of the zygomatic nerve inside the orbit (ZTFIN) has significant surgical implications. This study was conducted to locate the ZTFIN and investigate the variations of the ZTb inside the orbit. A total of 20 sides from 10 fresh frozen cadaveric Caucasian heads were used in this study. The vertical distance between the inferior margin of the orbit and ZTFIN (V-ZTFIN), the horizontal distance between the lateral margin of the orbit and ZTFIN (H-ZTFIN), and the diameter of the ZTFIN (D-ZTFIN) were measured...
September 29, 2017: Curēus
https://www.readbyqxmd.com/read/29197442/zygomatic-implants-are-a-reliable-treatment-option-for-patients-with-atrophic-maxilla
#13
Ahmed Yaseen Alqutaibi, Afaf Aboalrejal
ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Survival and Complications of Zygomatic Implants: An Updated Systematic Review. Chrcanovic BR, Albrektsson T, Wennerberg A. J Oral Maxillofac Surg 2016;74(10):1949-64. SOURCE OF FUNDING: Self-funding TYPE OF STUDY/DESIGN: Systematic review and meta-analysis.
December 2017: Journal of Evidence-based Dental Practice
https://www.readbyqxmd.com/read/29194275/preoperative-exposure-of-sigmoid-sinus-trajectory-in-posterolateral-cranial-base-approaches-using-a-new-landmark-through-a-neurosurgical-perspective
#14
Ihsan Doğan, Onur Özgüral, Ümit Eroğlu, Eyyub S M Al-Beyati, Cemil M Kilinç, Ayhan Cömert, Hasan Çağlar Uğur
The location of burr holes in posterolateral cranial base approaches should be appropriate to provide an adequate operative field, and surgical freedom is crucial for bone window opening. The aim of this study was to search for more convenient and easily detectable landmarks in comparison with current landmarks in posterolateral cranial base surgery. Twenty 3-dimensional reconstructed head and neck computed tomography angiography images (group 1) and 20 cadaver heads (group 2) were evaluated. An imaginary line connecting the angle of the mandible and the mastoid tip was extended upward...
November 20, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29194270/trend-and-demographic-characteristics-of-maxillofacial-fractures-in-level-i-trauma-center
#15
Omri Emodi, Amir Wolff, Hanna Srouji, Hany Bahouth, Dani Noy, Imad Abu El Naaj, Adi Rachmiel
AIM: The aim of this study was to analyze the pattern and treatment of craniomaxillofacial injuries in the northern part of Israel, within a Jewish majority and large Arab minority population. PATIENTS AND METHODS: A 5-year retrospective study evaluated patients treated for craniomaxillofacial fractures. Fracture cause, type, site, and patient demographics were evaluated. RESULTS: Patient age ranged from 1 to 94 years with an average age of 36...
November 20, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29168555/skeletal-open-bite-treatment-with-zygomatic-anchorage-for-a-child-with-mental-retardation-a-new-modality
#16
Y Rajmohan Shetty, Anisha Keshan, Amitha M Hegde, Manju R, Ashutosh Shetty
Anterior open bite (AOB) is one of the most difficult malocclusions to treat and maintain in orthodontics. Malocclusion occurs more frequently in children with disabilities than in healthy children. Surgical correction of severe AOB often requires maxillary impaction to reduce the anterior facial height. The zygomatic buttress area could be a valuable anchorage site to achieve intrusion of maxillary posterior teeth. A 16-year-old boy with mental retardation showing signs of persistence of infantile behavior, decreased cognitive functioning, and psychomotor skill deficits (no identified syndrome) with an AOB was treated by intrusion of maxillary posterior teeth using I-shaped multipurpose titanium miniplate (SK Surgicals, India)...
November 23, 2017: Special Care in Dentistry
https://www.readbyqxmd.com/read/29159171/recent-advances-in-dental-implants
#17
REVIEW
Do Gia Khang Hong, Ji-Hyeon Oh
Dental implants are a common treatment for the loss of teeth. This paper summarizes current knowledge on implant surfaces, immediate loading versus conventional loading, short implants, sinus lifting, and custom implants using three-dimensional printing. Most of the implant surface modifications showed good osseointegration results. Regarding biomolecular coatings, which have been recently developed and studied, good results were observed in animal experiments. Immediate loading had similar clinical outcomes compared to conventional loading and can be used as a successful treatment because it has the advantage of reducing treatment times and providing early function and aesthetics...
December 2017: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29155541/a-festive-case-series-of-emergencies-admissions-and-friendship-at-a-busy-oral-and-maxillofacial-unit
#18
Ross Keat, Paul Leavy, Mathew Thomas
The festive season presents oral and maxillofacial surgery (OMFS) dental core trainees (DCTs) with the challenges of managing an eclectic mix of emergencies. We present three such patients in this case series. First, Patient A, a 39-year-old homeless male who presented with a maxillary extra-oral draining sinus. Secondly, Patient B, a 38-year-old intra-venous (IV) drug user who suffered pan-facial fractures following an alcohol-fuelled assault. Finally, Patient C, a 38-year-old male who sustained a left zygomatic complex fracture a week previously, in attendance for corrective surgery...
December 2016: Dental Update
https://www.readbyqxmd.com/read/29148064/a-validation-study-of-the-langley-et-al-2017-decision-tree-model-for-sex-estimation
#19
Heather M Garvin, Alexandra R Klales
Langley et al. (2017) developed a sex estimation decision tree utilizing two traditional cranial traits (glabella and mastoid) and a new trait: zygomatic extension. This study aimed to test the reliability of their zygomatic extension scoring method and validate their sex estimation method. Ordinal score data were collected from 281 male and female U.S. White and Black individuals. The five traditional cranial traits were collected from physical specimens, while zygomatic extension was scored from 3D cranial models...
November 17, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/29140721/long-term-stability-of-soft-tissue-changes-in-anterior-open-bite-adults-treated-with-zygomatic-miniplate-anchored-maxillary-posterior-intrusion
#20
Eiman S Marzouk, Hassan E Kassem
OBJECTIVES: To evaluate soft tissue changes and their long-term stability in skeletal anterior open bite adults treated by maxillary posterior teeth intrusion using zygomatic miniplates and premolar extractions. MATERIALS AND METHODS: Lateral cephalograms of 26 patients were taken at pretreatment (T1), posttreatment (T2), 1 year posttreatment (T3), and 4 years posttreatment (T4). RESULTS: At the end of treatment, the soft tissue facial height and profile convexity were reduced...
November 15, 2017: Angle Orthodontist
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