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Maxillofacial Radiology

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https://read.qxmd.com/read/30758774/the-most-frequent-and-or-important-lesions-that-affect-the-face-and-the-jaws
#1
REVIEW
David MacDonald
INTRODUCTION: The radiology of the most important and/or frequent lesions affecting the bones of the face and jaws has been set out in this review and pictorial essay. METHODS: The latter is composed of multiple images displaying one or more key radiological features derived from almost every one of the most important and/ or frequent lesion affecting the face and the jaws. These images have been grouped together in 18 figures, each served by a detailed and free-standing legend...
February 13, 2019: Oral Radiology
https://read.qxmd.com/read/30746050/evaluation-of-prevalence-and-positions-of-mesiodens-using-cone-beam-computed-tomography
#2
Sevde Goksel, Ece Agirgol, Hulya Cakir Karabas, Ilknur Ozcan
Objectives: The aim of this retrospective study is to investigate the prevalence, three-dimensional positions and supplementary findings of the presence of a mesiodens by using cone-beam computed tomography. Material and Methods: A total of 5000 cone-beam computed tomography (CBCT) scans, taken between December 2015 and March 2018, from the archive of Istanbul University Faculty of Dentistry Department of Oral and Maxillofacial Radiology, were screened. In sum, 2003 CBCT scans fulfilled inclusion criteria in this study...
October 2018: Journal of Oral & Maxillofacial Research
https://read.qxmd.com/read/30716145/bone-volume-assessment-around-dental-implants-after-open-maxillary-sinus-elevation-surgery-a-quantitative-approach-to-cbct-images
#3
Susanne Lewin, Christopher Riben, Andreas Thor, Caroline Öhman-Mägi
PURPOSE: Cone beam computed tomography (CBCT) is an important imaging technique in maxillofacial evaluations. However, application-specific image analysis methods aimed at extracting quantitative information from these images need to be further developed. The aim of this study was to provide a robust and objective method that could assess radiologic changes around dental implants after sinus elevation surgery with simultaneous implant placement. MATERIALS AND METHODS: The study was performed retrospectively on patients fulfilling the inclusion criteria...
February 4, 2019: International Journal of Oral & Maxillofacial Implants
https://read.qxmd.com/read/30693239/patient-perspective-in-the-management-of-zygomatic-fractures
#4
Ananth Padmanavam, Sumita Mishra
Background: A clinical study was undertaken on the management of zygomatic complex fractures using various surgical approaches in the Department of Oral and Maxillofacial surgery during the past 3 years. Aims: The aim of this study is to evaluate the versatility of various surgical approaches. Materials and Methods: A total of 15 cases were selected following a clinical and radiological examination of fractures of the zygomatic complex. A standard pro forma was used to record the case history and findings...
July 2018: Annals of Maxillofacial Surgery
https://read.qxmd.com/read/30686634/clinical-features-and-mechanistic-insights-regarding-igg4-related-dacryoadenitis-and-sialoadenitis-a-review
#5
REVIEW
T Maehara, S Pillai, J H Stone, S Nakamura
Immunoglobulin G4-related disease (IgG4-RD), recognized only recently as a single diagnostic entity, is a chronic inflammatory condition of unknown etiology. The diagnosis of IgG4-RD relies heavily on histopathological analysis and the correlation of histology findings with clinical, serological, and radiological data. CD4+ T and B cells, including IgG4-expressing plasmablasts, constitute the major inflammatory cell populations in IgG4-RD and are believed to cause organ damage and tissue fibrosis. Patients with IgG4-RD, who have active, untreated disease, exhibit marked expansion of IgG4-secreting plasmablasts in the blood...
January 24, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30672158/implementation-of-korean-clinical-imaging-guidelines-a-mobile-app-based-decision-support-system
#6
Jeong Hoon Lee, Eun Ju Ha, Jung Hwan Baek, Miyoung Choi, Seung Eun Jung, Hwan Seok Yong
OBJECTIVE: The aims of this study were to develop a mobile app-based clinical decision support system (CDSS) for implementation of Korean clinical imaging guidelines (K-CIGs) and to assess future developments therein. MATERIALS AND METHODS: K-CIGs were implemented in the form of a web-based application (http://cdss.or.kr/). The app containing K-CIGs consists of 53 information databases, including 10 medical subspecialties and 119 guidelines, developed by the Korean Society of Radiology (KSR) between 2015 and 2017...
February 2019: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://read.qxmd.com/read/30661136/an-observational-study-evaluating-the-demand-of-major-trauma-on-different-surgical-specialities-in-a-uk-major-trauma-centre
#7
Patrick Quinn, Benjamin Walton, David Lockey
INTRODUCTION: Major Trauma Centres (MTCs) should ideally have all key surgical specialities on site. This may not always be the case since trauma is only one factor influencing speciality location. The implications of this can only be understood when the demands on specific specialities are established and this is not well documented. We investigated surgical speciality demand by quantifying the frequency and urgency of surgical trauma interventions. PATIENTS AND METHODS: Data on adult trauma admissions for a UK MTC were retrieved from the UK Trauma Audit and Research Network for a 2-year period and analysed to establish the frequency and urgency of surgical interventions...
January 19, 2019: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://read.qxmd.com/read/30588937/submandibular-sialolithiasis-the-roles-of-radiology-in-its-diagnosis-and-treatment
#8
Joshua Oluwafemi Aiyekomogbon, Lewis Bamidele Babatunde, Abdul J Salam
E. N was a 48-year-old man referred from a peripheral hospital to the Maxillofacial unit of Ahmadu Bello University Teaching Hospital, Zaria, on account of 1-year history of left-sided jaw pain and swelling, particularly after meal. The conventional plain radiograph of the jaws appeared normal as there was no opacity of soft tissue or calcific density visualized. Sialography revealed an oval-shaped filling defect in the dilated left Wharton's duct, which could suggest radiolucent calculus. Ultrasound scan showed the lesion as a brightly echogenic mass surrounded by anechoic clear fluid (saliva), casting posterior acoustic shadow...
October 2018: Annals of African Medicine
https://read.qxmd.com/read/30585958/doses-benefits-safety-and-risks-in-oral-and-maxillofacial-diagnostic-imaging
#9
Alan G Lurie
Diagnostic imaging is essential in dentistry. Doses range from low to very low, benefits to patients can be immense, and safe techniques are well known but widely ignored. Doses range from very low with properly executed intraoral, cephalometric, and panoramic imaging to higher than multidetector computed tomography with cone-beam computed tomography. Benefits are substantial: imaged dental disease, often obscured from direct vision by size and anatomy, can pose a mortal threat to the patient. Additionally, imaging is often central in planning complex dental procedures...
February 2019: Health Physics
https://read.qxmd.com/read/30567067/sensory-disturbance-along-the-inferior-alveolar-nerve-as-a-first-clinical-sign-of-multiple-florid-cemento-osseous-dysplasia-of-the-mandible-a-case-report
#10
Pascal Grün, Patrick Bandura, Andrew Grün, Walter Sutter, Oliver Meller, Dritan Turhani
INTRODUCTION: Florid cemento-osseous dysplasia (FCOD) is a rare, benign, slow growing, multifocal fibro-osseous tumour originating from the periodontal ligament. The lesion is characterised by regular bone-structure replacement with fibrous tissue and dysplastic bone. The initial characteristics of FCOD, depending on localisation, resemble those of periapical lesions of inflammatory origin, potentially leading to misdiagnosis. In the absence of infection signs, the treatment of choice is conservative therapy with antibiotics and regular follow-up examinations...
2018: International Journal of Surgery Case Reports
https://read.qxmd.com/read/30560961/-maxillary-osteonecrosis-after-denosumab-treatment
#11
J M Duininck, J de Lange, F R Rozema, L Dubois
A 58-year-old patient with a history of intravenous use of denosumab was referred to the department of oral and maxillofacial surgery with inadequate recovery after a series of extractions. During physical and radiological examination, several sites of exposed necrotic bone with purulent discharge were seen, and the maxilla appeared fractured at the level of Le Fort 1. Treatment consisted of intravenous administration of antibiotics with consecutive sequestrectomy of the maxilla under general anaesthesia. While Medication Related Osteonecrosis of the Jaw (MRONJ) is most commonly seen in patients treated with bisphosphonates, in the past decade, it has become apparent that other types of medication, most notably denosumab, can cause comparable disorders...
December 2018: Nederlands Tijdschrift Voor Tandheelkunde
https://read.qxmd.com/read/30546225/morphological-variations-of-lingula-and-prevalence-of-accessory-mandibular-foramina-in-mandibles-a-study
#12
Mohammed Asdullah, Afroz Alam Ansari, Masood Hassan Khan, Nasir A Salati, Kauser J Khawja, Arti S Sachdev
Introduction: The lingula is used for identifying the site for injection of local anesthetics and for excision of nerve in facial neuralgia. The relationship between lingula and lingual nerves may aid in risk associated with an impacted third molar. Due to its connection to nerve and vascular structures, the study of the lingula provides important information related to oral and maxillofacial surgical procedures, such as the sagittal split ramus osteotomy and the intraoral vertico-sagittal ramus osteotomy carried out to correct dento facial deformities...
July 2018: National Journal of Maxillofacial Surgery
https://read.qxmd.com/read/30523545/environmental-temperature-and-air-humidity-and-prevalence-of-maxillary-sinus-retention-cysts-possible-relationships-preliminary-study
#13
Humeyra Tercanli Alkis, Elif Kurtuldu, Nebiha Hilal Bilge, Selmi Yilmaz, Osman Murat Bilge
OBJECTIVES: The aims of this study were to determine the prevalence of maxillary sinus retention cysts (MSRCs) and to evaluate the effects of mean temperature and mean air humidity on the prevalence of MSRCs in two cities in Turkey. METHODS: This retrospective study was conducted in Antalya and Erzurum, two cities with different air humidities and temperatures in Turkey. Panoramic images of patients who visited the Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Akdeniz University and Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Ataturk University for diagnostic purposes were evaluated...
December 6, 2018: Oral Radiology
https://read.qxmd.com/read/30522206/-endoscopy-assisted-transoral-removal-of-deep-hilar-and-intraparenchymal-stones-in-the-wharton-s-duct
#14
Y N Zhao, Y Q Zhang, X Ye, Y Meng, X Y Xie, D G Liu
Objective: To investigate the different surgical approaches and long-term outcomes of endoscopy-assisted transoral removal of deep hilar and intraparenchymal stones in the Wharton's duct. Methods: From January 2008 to March 2018, 481 consecutive patients with deep hilar and intraparenchymal calculi in the Wharton's duct underwent endoscopy-assisted transoral removal at Deparment of Oral and Maxillofacial Radiology, Peking University School and Hospital of Stomatology. There were 250 males and 231 females. Their ages ranged from 9-86 years...
December 9, 2018: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://read.qxmd.com/read/30484212/sonographic-diagnosis-in-the-head-and-neck-region-from-an-educational-lecture-presented-at-the-56th-general-assembly-and-annual-scientific-congress-of-the-japanese-society-for-oral-and-maxillofacial-radiology
#15
REVIEW
Mayumi Shimizu, Warangkana Weerawanich
Sonography is a simple, inexpensive, and non-invasive diagnostic modality. Although tissues behind bony structures and deep tissues are not delineated, sonography can depict superficial soft tissues very clearly. In the head and neck region, however, it has not yet been used widely, as the anatomical structures are complicated, and considerable experience is needed both to perform an examination and to make a diagnosis. To perform examinations efficiently, operators must be familiar with the sonographic system in use, and take images at standard planes...
November 3, 2018: Oral Radiology
https://read.qxmd.com/read/30484206/twenty-classic-signs-in-oral-and-maxillofacial-radiology
#16
REVIEW
Galal Omami
Teachers of radiology often employ the use of classic signs to help learners identify the typical appearance of various pathologies. This article is a compendium of simply-described classic signs in oral and maxillofacial radiology, including their use in differential diagnoses.
October 10, 2018: Oral Radiology
https://read.qxmd.com/read/30484191/prevalence-and-characteristics-of-pneumatizations-of-the-articular-eminence-and-roof-of-the-glenoid-fossa-on-cone-beam-computed-tomography
#17
Cansu Buyuk, Kaan Gunduz, Hakan Avsever
OBJECTIVE: The aim of this study was to determine the prevalence and characteristics of pneumatization of the articular tubercle (PAT) and pneumatization of the roof of the glenoid fossa (PRGF) in a large population using cone-beam computed tomography (CBCT). MATERIALS AND METHODS: This study was designed to evaluate the CBCT images of 1000 patients. The prevalences of the pneumatizations by age, sex, locularity, and laterality were determined. The significance of differences between variables was evaluated by the Chi-square test and analysis of variance...
May 21, 2018: Oral Radiology
https://read.qxmd.com/read/30484133/clinical-guidelines-for-dental-cone-beam-computed-tomography
#18
REVIEW
Takafumi Hayashi, Yoshinori Arai, Toru Chikui, Sachiko Hayashi-Sakai, Kazuya Honda, Hiroko Indo, Taisuke Kawai, Kaoru Kobayashi, Shumei Murakami, Masako Nagasawa, Munetaka Naitoh, Eiji Nakayama, Yutaka Nikkuni, Hideyoshi Nishiyama, Noriaki Shoji, Shigeaki Suenaga, Ray Tanaka
Dental cone-beam computed tomography (CBCT) received regulatory approval in Japan in 2000 and has been widely used since being approved for coverage by the National Health Insurance system in 2012. This imaging technique allows dental practitioners to observe and diagnose lesions in the dental hard tissue in three dimensions (3D). When performing routine radiography, the examination must be justified, and optimal protection should be provided according to the ALARA (as low as reasonably achievable) principles laid down by the International Commission on Radiological Protection...
May 2018: Oral Radiology
https://read.qxmd.com/read/30484127/current-status-of-oral-and-maxillofacial-radiology-in-west-africa
#19
REVIEW
Babatunde O Bamgbose, Muhammad A Suwaid, Mohammad Abubakar Kaura, Irfan Sugianto, Miki Hisatomi, Junichi Asaumi
BACKGROUND: Oral and maxillofacial radiology became the ninth dental specialty recognized by the American Dental Association (ADA) in 1999. This came about following the discovery of X-rays by Wilhelm Conrad Roentgen in 1895 and, 14 days later, the application of X-rays to making dental radiographs by Otto Walkhoff. The purpose of this narrative study was to review the evolution of oral and maxillofacial radiology as a dental specialty in the USA and its recognition as a program of training by the West African College of Surgeons...
May 2018: Oral Radiology
https://read.qxmd.com/read/30484126/gorham-s-disease-of-the-mandible-radiological-features
#20
Hui Yuh Soh, Azizah Ahmad Fauzi, Abd Jabar Nazimi, Roszalina Ramli
The most conspicuous element of Gorham's disease is its radiographic features, wherein massive disappearance of the mandible is observed. We report a case of an adolescent boy with massive osteolysis of the mandible in whom the diagnosis of Gorham's disease was made. A 14-year-old boy was referred to the Department of Oral and Maxillofacial Surgery, Universiti Kebangsaan Malaysia Medical Centre, Kuala Lumpur, for the management of a massive mandibular deformity. He was diagnosed with a hemangioma-like lesion at 1 year of age...
May 2018: Oral Radiology
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