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oral & maxillofacial surgery

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https://www.readbyqxmd.com/read/29457337/a-novel-rotational-matrix-and-translation-vector-algorithm-geometric-accuracy-for-augmented-reality-in-oral-and-maxillofacial-surgeries
#1
Yahini Prabha Murugesan, Abeer Alsadoon, Paul Manoranjan, P W C Prasad
BACKGROUND: Augmented reality-based surgeries have not been successfully implemented in oral and maxillofacial areas due to limitations in geometric accuracy and image registration. This paper aims to improve the accuracy and depth perception of the augmented video. METHODOLOGY: The proposed system consists of a rotational matrix and translation vector algorithm to reduce the geometric error and improve the depth perception by including 2 stereo cameras and a translucent mirror in the operating room...
February 19, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29457119/effects-of-glucose-insulin-infusion-during-major-oral-and-maxillofacial-surgery-on-postoperative-complications-and-outcomes
#2
Akina Tohya, Atsushi Kohjitani, Sachi Ohno, Kaoru Yamashita, Yozo Manabe, Mitsutaka Sugimura
Background: Secretion of hormones, which antagonize the action of insulin, is facilitated in response to surgery, and acute resistance to the action of insulin develops. Our aim is to elucidate the effects of intraoperative glycemic control by glucose-insulin (GI) infusion on postoperative complications and outcomes in major oral and maxillofacial surgery. Findings: Thirty patients aged ≥ 60 years undergoing a radical operation of oral malignant tumors with tissue reconstruction (≥ 8 h) were analyzed...
2018: JA Clin Rep
https://www.readbyqxmd.com/read/29456395/incidence-and-pattern-of-mandible-fractures-in-the-madinah-region-a-retrospective-study
#3
Mahmood Samman, Syed Waheed Ahmed, Hassan Beshir, Turki Almohammadi, Santosh R Patil
Objectives: The objective of the study is to study the incidence and pattern of mandible fractures in the holy city of Madinah in the Kingdom of Saudi Arabia over a retrospective period of 3 years from 2013 (1434H) to 2016 (1436H) and to compare the results with those from other regions of Saudi Arabia and elsewhere. Materials and Methods: Relevant data of patients admitted to the King Fahad Hospital, Madinah with a fracture of the mandible during the study were collected from their medical records and radiographs...
January 2018: Journal of Natural Science, Biology, and Medicine
https://www.readbyqxmd.com/read/29454489/basal-cell-nevus-syndrome-gorlin-syndrome-genetic-insights-diagnostic-challenges-and-unmet-milestones
#4
Maryam Akbari, Harold Chen, Grace Guo, Zachary Legan, Ghali Ghali
In this article, we present three clinical case reports on Basal Cell Nevus Syndrome (Gorlin Syndrome). Gorlin syndrome is an inherited medical condition with challenges that manifest in multiple body systems and complicate early diagnosis. We examine the epidemiology of the disease and benefits of genetic testing, molecular pathophysiology, and advancement in the molecular-based therapy of Basal Cell Nevus syndrome. The goal of this paper is to shed light on both unmet challenges and advancements in the management of Gorlin syndrome and to provide a new clinical perspective and guidance for future research...
January 31, 2018: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/29447831/rhabdomyolysis-after-prolonged-surgery-report-of-2-cases-and-review-of-literature
#5
Rebecca Grammer, Jingping Wang, Edward Lahey
Rhabdomyolysis is a condition in which damaged muscle tissue breaks down and intracellular contents, including myoglobin, are released into the circulation. This produces a nonspecific clinical syndrome including electrolyte disturbances, hypovolemia, metabolic acidosis, coagulopathies, and risk of acute kidney injury. Rhabdomyolysis has been reported as a complication of prolonged surgical procedures but has rarely been reported in the oral and maxillofacial surgery literature. Early diagnosis and treatment of rhabdomyolysis are important to avoid long-term complications such as renal failure...
February 2, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29447319/squamous-cell-carcinoma-of-the-gingiva-mimicking-periodontal-disease-a-diagnostic-challenge-and-therapeutic-dilemma
#6
Michael M Bornstein, Claude Andreoni, Thomas Meier, Yiu Yan Leung
A case of squamous cell carcinoma of the gingiva (GSCC) in the left anterior maxilla in a 64-year-old woman that was treated for almost 5 years as suspected periodontal lesion prior to establishing the final diagnosis of oral cancer is presented in this case report. GSCCs have a variable clinical appearance, ranging from an exophytic mass to ulcerative lesions. They have been reported to pose a diagnostic challenge and are not infrequently initially misdiagnosed as periodontal disease. A delay in diagnosis and extraction of teeth in the vicinity of GSCCs has been demonstrated to increase the risk for lymph node metastasis and thus result in a lower 5-year survival rate...
March 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29438204/effects-of-hyaluronic-acid-and-hydroxyapatite-beta-tricalcium-phosphate-in-combination-on-bone-regeneration-of-a-critical-size-defect-in-an-experimental-model
#7
Nurettin Diker, Serap Gulsever, Taner Koroglu, Eda Yilmaz Akcay, Yener Oguz
Hyaluronic acid (HyA) is an outstanding new product in the field of oral and maxillofacial surgery. The aim of this study was to evaluate the effects of HyA on bone regeneration in critical-size calvarial defects. Twenty-four female Sprague-Dawley rats were used in the present study. In each rat, 4 critical-size defects received different treatments: no treatment (control); HyA; Graft; and HyA + Graft combination. New bone formation, defect closure, inflammation, vascular proliferation, immature bone formation, mature bone formation, and bone marrow existence were investigated based on histological findings...
February 12, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29435204/validation-of-universal-scale-in-oral-surgery-usos-for-patient-s-psycho-emotional-status-rating
#8
REVIEW
Inesa Astramskaite, Ginnady Pinchasov, Albinas Gervickas, Dalius Sakavicius, Gintaras Juodzbalys
Objectives: There aren't any objective methods that may help in standard evaluation of oral surgery patient's psycho-emotional status. Without any standardized evaluation, two main problems appear: heterogeneity between studies and ineffective patient's evaluation. Therefore, Universal Scale in Oral Surgery (USOS) for patient's psycho-emotional status rating has previously been proposed by authors. The aim of present study is to assess the clinical effectivity and validate the Universal Scale in Oral Surgery in case of outpatient tooth extraction for adult healthy patients...
October 2017: Journal of Oral & Maxillofacial Research
https://www.readbyqxmd.com/read/29435025/bromelain-has-significant-clinical-benefits-after-extraction-of-the-third-molar-during-chemotherapy-in-patients-with-hematologic-tumor
#9
Yi Tan, Ping Li
The purpose of this study was to investigate the application of bromelain in the treatment of pain, swelling, and limited mouth opening in patients with hematologic tumor after extraction of the third molar during chemotherapy. We recruited 72 patients with hematologic tumor who were treated by oral and maxillofacial surgery in our hospital, and third molar extraction was performed under local anesthesia. After extraction, patients in the control group were treated with cold - hot compress and patients in the experimental group were treated by oral administration of bromelain...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29425754/does-the-medical-comorbidity-profile-of-obstructive-sleep-apnea-patients-treated-with-maxillomandibular-advancement-differ-from-that-of-obstructive-sleep-apnea-patients-managed-nonsurgically
#10
Richard Ngo, Elaina Pullano, Zachary S Peacock, Edward T Lahey, Meredith August
PURPOSE: Obstructive sleep apnea (OSA) patients with retrognathia and measurable anatomic airway determinants may represent a subset of OSA patients and have distinct comorbidity profiles. Our aim was to compare the medical comorbidities of OSA patients managed surgically with maxillomandibular advancement with those of nonsurgical patients. PATIENTS AND METHODS: In this cross-sectional retrospective study, patients for both cohorts were identified through the Massachusetts General Hospital oral and maxillofacial surgery data registry and the Massachusetts General Hospital Research Patient Data Registry...
January 31, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29418009/multidisciplinary-approach-in-a-case-of-hand-sch%C3%A3-ller-christian-disease-with-maxillary-involvement
#11
Angela Pia Cazzolla, Nunzio Francesco Testa, Gianfranco Favia, Maria Grazia Lacaita, Domenico Ciavarella, Khrystyna Zhurakivska, Giuseppe Troiano, Lorenzo Lo Muzio
Langerhans cell histiocytosis (LCH) is a childhood pathology with a peak of incidence ranging from 1 to 4 years of age, though diagnosis is often made in adult age. LCH is clinically classified into three types: eosinophilic granuloma, Hand-Schuller-Christian disease and Abt-Letterer-Siwe disease. We report a case of Hand-Schüller-Christian disease with diabetes insipidus, skull and maxillary involvement in a 16-year-old boy referred to our observation for gradual increase in mobility of the teeth and subsequent gradual loss of the second premolars and the first molars of the upper jaw...
February 8, 2018: Special Care in Dentistry
https://www.readbyqxmd.com/read/29410131/invitation-to-the-54th-congress-of-the-french-society-of-stomatology-oral-and-maxillofacial-surgery-marseille-3-6-october-2018
#12
EDITORIAL
Gaëtan Thiery
No abstract text is available yet for this article.
February 1, 2018: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29406256/males-with-rheumatoid-arthritis-often-evidence-carotid-atheromas-on-panoramic-imaging-a-risk-indicator-of-future-cardiovascular-events
#13
Urie K Lee, Tina I Chang, Neal Garrett, Arthur H Friedlander
PURPOSE: Males with rheumatoid arthritis (RA) are at an exceedingly high risk of adverse intraoperative ischemic events, given the role of systemic inflammation in the atherogenic process. We hypothesized that their panoramic images would demonstrate calcified carotid artery atheromas (CCAPs) significantly more often than those from a general population of similarly aged men. PATIENTS AND METHODS: We implemented a retrospective observational study. The sample was composed of male patients older than 55 years of age who had undergone panoramic imaging studies...
January 16, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29399339/high-hpv16-e6-viral-load-in-the-oral-cavity-is-associated-with-an-increased-number-of-bacteria-a-preliminary-study
#14
Hideo Shigeishi, Masaru Sugiyama, Kouji Ohta, Sho Yokoyama, Miyuki Sakuma, Hiroshi Murozumi, Hiroki Kato, Masaaki Takechi
In a previous study, the present research group reported that males had a significantly higher prevalence of human papillomavirus (HPV)16 than females in oral rinse samples. The objective of the present study was to examine the relationship between HPV16 viral load and clinical factors, including remaining teeth, denture use and numbers of oral bacteria. A total of 124 patients (48 males and 76 females; mean age, 61.6 years; age range, 20-97 years) who visited the Department of Oral and Maxillofacial Reconstructive Surgery of Hiroshima University Hospital (Hiroshima, Japan) between November 2016 and August 2017 were analyzed...
January 2018: Biomedical Reports
https://www.readbyqxmd.com/read/29398172/an-innovative-virtual-reality-training-tool-for-orthognathic-surgery
#15
Y Pulijala, M Ma, M Pears, D Peebles, A Ayoub
Virtual reality (VR) surgery using Oculus Rift and Leap Motion devices is a multi-sensory, holistic surgical training experience. A multimedia combination including 360° videos, three-dimensional interaction, and stereoscopic videos in VR has been developed to enable trainees to experience a realistic surgery environment. The innovation allows trainees to interact with the individual components of the maxillofacial anatomy and apply surgical instruments while watching close-up stereoscopic three-dimensional videos of the surgery...
February 1, 2018: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29397341/patient-morbidity-among-residents-extracting-third-molars-does-experience-matter
#16
Mohmedvasim Momin, Timothy Albright, Jennie Leikin, Michael Miloro, Michael R Markiewicz
OBJECTIVE: The aim of this study was to evaluate the complication rates for third molar extractions, based on resident level within an oral and maxillofacial surgery program, and to identify the risk factors associated with postoperative complications following third molar extractions. STUDY DESIGN: Records of 1992 patients (5466 third molar extractions) over a 5-year period were reviewed. Data were collected by using appropriate Current Dental Terminology codes from July 1, 2011, to June 30, 2016...
December 29, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29395993/a-worldwide-comparison-of-the-management-of-surgical-treatment-of-advanced-oral-cancer
#17
Katinka Kansy, Andreas Albert Mueller, Thomas Mücke, Friederike Koersgen, Klaus Dietrich Wolff, Hans-Florian Zeilhofer, Frank Hölzle, Winnie Pradel, Matthias Schneider, Andreas Kolk, Ralf Smeets, Julio Acero, Piet Haers, G E Ghali, Jürgen Hoffmann
INTRODUCTION: Microvascular surgery following tumor resection has become an important field of oral and maxillofacial surgery (OMFS). Following the results from management of T1/T2 floor-of-mouth and tongue squamous cell carcinoma (SCC) in German-speaking countries, Europe, and worldwide, this paper presents specific concepts for the management of resection and reconstruction of T3/T4 SCC of the maxillary and mandibular alveolar process and tongue. METHODS: The DÖSAK questionnaire was distributed in three different phases to a growing number of maxillofacial units worldwide...
January 8, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29394859/-applicability-of-pedicled-coronoid-process-and-temporal-muscle-fascial-combined-pcptm-flap-for-reconstruction-of-orbital-floor-defect-following-hemi-maxillectomy-for-advanced-maxillary-cancer-a-report-of-two-cases
#18
Masaaki Karino, Takahiro Kanno, Ichiro Kaneko, Taichi Ide, Aya Yoshino, Joji Sekine
We usually perform surgery for resectable oral and maxillofacial carcinomas. Following complete cancer resection, reconstruction of soft and hard tissues using various types of local flaps and/or vascularized free flaps is usually performed. The maxilla is composed of various anatomical structures. In particular, reconstruction of the orbit is one of the most important and challenging procedures for prevention of functional and esthetic complications. Here we report 2 cases of orbital floor defect reconstruction following advanced maxillary cancer resection using a pedicled coronoid process and temporal muscle (fascial)combined(PCPTM)flap...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29391160/identification-of-independent-risk-factors-for-complications-a-retrospective-analysis-of-163-fibular-free-flaps-for-mandibulofacial-reconstruction
#19
Haixuan Wu, Funing Liu, Fengtao Ji, Mingyan Guo, Youyuan Wang, Minghui Cao
PURPOSE: Fibular free flap transfer is a powerful tool available to the reconstructive surgeon when treating oral and maxillofacial defects, but complications still occasionally occur and predictive analysis focusing on this specific flap is limited in terms of risk factors for complication. The purpose of this study was to identify key variables associated with complications in patients undergoing fibular free flap transfer. PATIENTS AND METHODS: The data of 163 consecutive patients who underwent fibular free flap surgery at the Department of Oral and Maxillofacial Surgery, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, between 2012 and 2015 were reviewed retrospectively...
January 8, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29389441/oral-head-and-neck-oncologic-and-reconstructive-surgery-the-creation-of-a-subspecialty-in-oral-and-maxillofacial-surgery
#20
Eric R Carlson
No abstract text is available yet for this article.
February 2018: Journal of Oral and Maxillofacial Surgery
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