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Maxillofacial Radiology

Wiwiek Poedjiastoeti, Siriwan Suebnukarn
Objectives: Ameloblastomas and keratocystic odontogenic tumors (KCOTs) are important odontogenic tumors of the jaw. While their radiological findings are similar, the behaviors of these two types of tumors are different. Precise preoperative diagnosis of these tumors can help oral and maxillofacial surgeons plan appropriate treatment. In this study, we created a convolutional neural network (CNN) for the detection of ameloblastomas and KCOTs. Methods: Five hundred digital panoramic images of ameloblastomas and KCOTs were retrospectively collected from a hospital information system, whose patient information could not be identified, and preprocessed by inverse logarithm and histogram equalization...
July 2018: Healthcare Informatics Research
James R Geist
No abstract text is available yet for this article.
June 27, 2018: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
J W Nolte, R Schreurs, L H E Karssemakers, D B Tuinzing, A G Becking
PURPOSE: Unilateral Condylar Hyperplasia (UCH) is an acquired deformity of the mandible, which can highly influence the symmetry of the face due to its progressive nature. It is caused by growth resembling pathology in one of the mandibular condyles. Definition as well as classification is subject to discussion. The aim of this study is to evaluate a large cohort of alleged UCH patients, and to describe the clinical characteristics, demographic features, classification and follow up. Secondly an algorithm is presented, in order to achieve uniformity in diagnosis and treatment...
June 25, 2018: Journal of Cranio-maxillo-facial Surgery
Cigdem Kalaycik Ertugay, Ela Araz Server, Yesim Karagoz, Ozgur Yigit, Ahmet Volkan Sunter, Ahmet Gorkem Yasak
PURPOSE: Pediatric population may be more prone to complications in comparison to adults because of the variability of developmental changes of paranasal sinuses and skull base. Knowledge of standard columellar distances regarding age in addition to anatomical landmarks is an important guide during functional endoscopic sinus surgery. We aimed to identify standard distances from columella and anterior nasal spine to the anterior and posterior border of frontal and sphenoid sinus ostiums and provide an objective reference graph in regard to age in children...
July 25, 2018: European Archives of Oto-rhino-laryngology
Kent S Thompson, Adepitan A Owosho
This report presents two cases of Worth syndrome involving the mandible which were identified as an incidental finding on radiologic evaluation. Both patients were females who presented with enlarged mandibles. Radiologic evaluation revealed multiple bilateral mandibular enostoses, widened and thickened inferior cortical border of the mandible, with no other major clinical finding on examination. One of the patients received orthognathic surgery and healed uneventfully with no post-surgical complications. In this report, we reviewed possible differential diagnoses to this syndrome to facilitate identification among general dentists and oral and maxillofacial radiologists...
July 20, 2018: Dento Maxillo Facial Radiology
Ramón Fuentes, Alain Arias, Constanza Farfán, Nicolás Astete, Ivonne Garay, Pablo Navarro, Fernando J Dias
BACKGROUND: Morphological variations of the mandibular canal (MC) have been described in literature, so the clinician must be able to recognise them and adapt their treatment accordingly. The aim of this study was to determine the prevalence of morphological variations of the MC using digital panoramic radiographs (DPR) of Chilean patients. MATERIALS AND METHODS: A retrospective study in which 1400 DPR were analysed to identify cases of bifid, trifid and retromolar MC...
July 16, 2018: Folia Morphologica (Warsz)
J Yang
Oral and maxillofacial radiology (OMR) in the United States is one of the nine dental specialties recognized by the American Dental Association (ADA). It has a nearly 100-year history of development and has also established a complete set of specialist training system. Staffing, base facilities, financial status, timing of training courses, contents, plans, and goals to be achieved are all clearly defined. All training centers need to undergo regular assessments every seven years with the ADA ' s Commission on Dental Accreditation (CODA)...
May 9, 2018: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
D G Selim, C Sexton, P Monsour
BACKGROUND: Dentomaxillofacial Radiology (DMFR) is comprised of the smallest cohort of specialists in Australia. A survey was undertaken to assess awareness of DMFR, radiology reporting and referring protocols as well as dental practitioners' satisfaction with their radiology reporting arrangements. METHODS: An original online survey created using Checkbox† was sent to dental practitioners. The survey was promoted on Australian-based dental Facebook forums and emailed to targeted members via Australian professional dental associations...
July 2, 2018: Australian Dental Journal
Esa Färkkilä, Riina Rautemaa-Richardson, Anniina Färkkilä, Lotta Grönholm, Anneli Lauhio
OBJECTIVES: To determine the frequency of oral infection with potential for spread (OIPS) and behavioural risk factors in patients referred to a regional tertiary care-centre for OIPS assessment and clearance. MATERIALS AND METHODS: A database search of all referrals to the Oral and Maxillofacial Diseases unit of HUH in 2009 was performed. Of the 2807 referrals, 408 were due to a known or suspected OIPS. The electronic patient records of these patients were analysed for patient demographics, lifestyle factors, radiological findings and clinical oral findings...
June 14, 2018: Clinical Oral Investigations
Thorakkal Shamim
This data aimed to audit the articles retracted from PubMed indexed dental journals from India. The PubMed indexed journals considered are Indian Journal of Dental research, Journal of Indian Society of Periodontology, Contemporary Clinical Dentistry, Journal of Indian Society of Pedodontics and Preventive Dentistry, Journal of Oral and Maxillofacial Pathology and Journal of Indian Prosthodontic Society for type of article, name of dental specialty, topic of individual dental specialties, causes for retraction of article and authorship trend of retracted articles using web-based search...
June 2018: Data in Brief
Maximiliaan Smeets, Bert Gemels, Lisanne Groeneveldt, Constantinus Politis
OBJECTIVE: Oral and maxillofacial infections are generally treated by primary dental or medical caregivers. Nevertheless, because these infections are known to have life-threatening complications, there is a need of clear indicators for emergency services medical staff, particularly in determining when morbidity can be expected and when in-hospital treatment is required. This retrospective study aimed to identify variables that were observable at admission, which could indicate high complication rates, long hospital stays, and/or a need for tracheostomy...
June 10, 2018: American Journal of Emergency Medicine
I A Othman, N D Hashim, A J Nazimi
The number of maxillofacial trauma (MFT) cases attended in the Emergency Department is progressively increasing in trend, owing to the rising statistics of motor-vehicle accidents (MVAs) and urban assaults in addition to occupational-related injuries. Prompt and thorough assessment is important for accurate diagnosis and paramount treatment plans. We will be discussing a case of unusual presentation of an orbital floor fracture post-MVA which was treated conservatively based on the clinical assessments during follow-ups, supported by radiological findings...
2018: Case Reports in Medicine
Andreea Elena Lungu, Madalina Anca Lazar, Andrada Tonea, Horatiu Rotaru, Rares Calin Roman, Mindra Eugenia Badea
Introduction: The bisphosphonate-related osteonecrosis of the jaw was first referred to in 2003. Bisphosphonates action is focused on the osteoclasts. The drastic inhibition of the osteoclastic function is harmful for the jaws which are the only bones of the human skeleton in relative contact with the external environment. The adverse effects of the bisphosphonate-related therapy include the pathology for which they are prescribed, the atypical fractures in pathological bone. Method: The aim of this research was to analyze the risk factors and the treatment methods in case of osteonecrosis of the jaws...
2018: Clujul Medical (1957)
José Alcides Almeida de Arruda, João Luiz Gomes Carneiro Monteiro, Lucas Guimarães Abreu, Leni Verônica de Oliveira Silva, Lauren Frenzel Schuch, Mariana Saturnino de Noronha, Gerhilde Callou, Amália Moreno, Ricardo Alves Mesquita
BACKGROUND: The aim of this study was to integrate the available data published on calcifying odontogenic cyst (COC), dentinogenic ghost cell tumor (DGCT), and ghost cell odontogenic carcinomas (GCOCs) into a comprehensive analysis of their clinicoradiological features, treatment, and recurrence. MATERIALS AND METHODS: An electronic search with no publication date restriction was undertaken in October 2017 in the following databases: PubMed, Medline Ovid, Web of Science, and Scopus...
May 8, 2018: Journal of Oral Pathology & Medicine
Chen Nadler, Linda Lee
OBJECTIVE: The aim of this study was to review the referral patterns, distribution of interpretations, and type of diagnostic imaging used in a university based oral maxillofacial radiology clinic for patients referred for consultation from both dental and nondental clinicians. STUDY DESIGN: The database of the Special Procedures clinic in the oral radiology department of the University of Toronto, Faculty of Dentistry, containing over 5000 entries, from 1993 to 2013, was queried...
March 23, 2018: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
Ross Elledge, Samantha Houlton, Stephanie Hackett, Martin J Evans
While virtual learning environments (VLE) can be used in medical education as stand-alone educational interventions, they can also be used in preparation for traditional "face-to-face" training sessions as part of a "flipped classroom" model. We sought to evaluate the introduction of this model in a single module on maxillofacial radiology from a course on trauma skills. Course delegates were randomised into two groups: one was given access to an e-learning resource (test group) and the other attended a traditional didactic lecture (control group)...
June 2018: British Journal of Oral & Maxillofacial Surgery
Ling Zhu, Xia Cao, Xiao-Feng Tao
PURPOSE: To compare the teaching result of case-based learning based on cone-beam CT (CBCT) software and traditional pantomography. METHODS: Thirty-eight interns (7-year programme) of grade 2011 from College of Stomatology, Shanghai Jiao Tong University were enrolled. The inner diameter of the nasopalatine ducts (A), the length of upper canine's pulp cavity (B), the length between root furcation of upper first molar and the maxillary sinus (C), the length between the root of lower wisdom tooth and the inferior alveolar nerve (D) were measured on pantomographic films and CBCT in the same case...
December 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
Benoît Schaller, John Patrik Matthias Burkhard, Madeleine Chagnon, Stefan Beck, Thomas Imwinkelried, Michel Assad
PURPOSE: This study compared the degradation profile, safety, and efficacy of bioresorbable magnesium alloy and polylactide-co-glycolide (PLGA) polymer osteosynthesis systems for the treatment of fractures in a load-sharing maxillofacial environment using a new mini-swine fracture fixation model. MATERIALS AND METHODS: Two types of clinically relevant situations were evaluated in 5 Yucatan miniature pigs. Defined porcine midface osteotomies of the supraorbital rim and zygoma were created and fixed with either a coated magnesium (test animals) or PLGA plate and screw osteosynthesis system (control animals)...
March 31, 2018: Journal of Oral and Maxillofacial Surgery
Meetu R Kohli, Homayon Berenji, Frank C Setzer, Su-Min Lee, Bekir Karabucak
INTRODUCTION: The aim of the present study was to investigate the influence of root-end preparation and filling material on endodontic surgery outcome. A systematic review and meta-analysis was conducted to determine the outcome of resin-based endodontic surgery (RES, the use of high-magnification preparation of a shallow and concave root-end cavity and bonded resin-based root-end filling material) versus endodontic microsurgery (EMS, the use of high-magnification ultrasonic root-end preparation and root-end filling with SuperEBA [Keystone Industries, Gibbstown, NJ], IRM [Dentsply Sirona, York, PA], mineral trioxide aggregate [MTA], or other calcium silicate cements)...
June 2018: Journal of Endodontics
Young-A Ji, You-Mee Lee, Hyun-Dae Lim, Won-Jong Park, Ji-Hye Jung, Je-Woo Lee, Byung-Do Lee
OBJECTIVES: This study investigates the students' satisfaction and awareness of competency towards smartphone use and schema-based learning in dental radiology practice. METHODS: Third year students undertaking a dental radiology practicum at a dental school were divided into two groups: one group received traditional clinical training, whereas the other group used smartphones in classes and received new training using schema assignments. At the end of the course, students' satisfaction with the training and self-awareness of their competency were surveyed, and their achievement was assessed...
April 30, 2018: Dento Maxillo Facial Radiology
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