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https://www.readbyqxmd.com/read/28645068/fracture-roughness-and-phase-transformation-in-cad-cam-milling-and-subsequent-surface-treatments-of-lithium-metasilicate-disilicate-glass-ceramics
#1
Abdur-Rasheed Alao, Richard Stoll, Xiao-Fei Song, John R Abbott, Yu Zhang, Jaafar Abduo, Ling Yin
This paper studied surface fracture, roughness and morphology, phase transformations, and material removal mechanisms of lithium metasilicate/disilicate glass ceramics (LMGC/LDGC) in CAD/CAM-milling and subsequent surface treatments. LMGC (IPS e.max CAD) blocks were milled using a chairside dental CAD/CAM milling unit and then treated in sintering, polishing and glazing processes. X-ray diffraction was performed on all processed surfaces. Scanning electron microscopy (SEM) was applied to analyse surface fracture and morphology...
June 15, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28642509/in-our-opinion
#2
G Roberts, V S Lucas, F McDonald, S Camilleri, J Jayaraman, D Davies, K Moze
The misleading statements made in the British Dental Journal in the December 2016 issue relating to dental age assessment are assessed for inaccuracies and negligent omission of the issue of Child Protection. It is emphasised that there is a need for the approach of objective knowledge viz. not influenced by personal feelings or opinions in considering and representing facts. The article by the Chair of the Education, Ethics, and Team Working Group implies that unsatisfactory consent procedures are followed...
June 23, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28630959/a-completely-cad-cam-individual-transmission-device-for-electronic-mandible-movement-registration
#3
Karl-Friedrich Krey, Bernd Kordaß, Sebastian Ruge
The connection of a device for the registration of mandibular movements depends on the coupling of the teeth with a paraocclusal adapter. This is normally done by individualizing a prefabricated metal support, either directly on the patient or in the dental laboratory. The goal was to create an individual paraocclusal adapter by means of additive computer-assisted design/computer-assisted manufacturing (CAD/CAM) procedures, and to test it clinically. Starting from intraoral scans of the maxillary and mandibular teeth, an individual paraocclusal adapter was constructed by combining an adapter piece adapted to the tooth and jaw shape with a prefabricated standard part...
2017: International Journal of Computerized Dentistry
https://www.readbyqxmd.com/read/28629349/relationships-between-dental-personnel-and-non-dental-primary-health-care-providers-in-rural-and-remote-queensland-australia-dental-perspectives
#4
Jackie Stuart, Ha Hoang, Len Crocombe, Tony Barnett
BACKGROUND: Collaboration between dental practitioners and non-dental primary care providers has the potential to improve oral health care for people in rural and remote communities, where access to oral health services is limited. However, there is limited research on collaboration between these professional disciplines. The purpose of this paper was to explore the relationships between dental practitioners and non-dental primary care providers from rural and remote areas of Queensland and to identify strategies that could improve collaboration between these disciplines from the perspective of dental participants...
June 19, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28628732/understanding-neurophobia-reasons-behind-impaired-understanding-and-learning-of-neuroanatomy-in-cross-disciplinary-healthcare-students
#5
Muhammad Asim Javaid, Shelly Chakraborty, John F Cryan, Harriët Schellekens, André Toulouse
Recent studies have highlighted a fear or difficulty with the study and understanding of neuroanatomy among medical and healthcare students. This has been linked with a diminished confidence of clinical practitioners and students to manage patients with neurological conditions. The underlying reasons for this difficulty have been queried among a broad cohort of medical, dental, occupational therapy, and speech and language sciences students. Direct evidence of the students' perception regarding specific difficulties associated with learning neuroanatomy has been provided and some of the measures required to address these issues have been identified...
June 19, 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/28628586/building-a-pediatric-oral-health-training-curriculum-for-community-health-workers
#6
Molly Martin, William Frese, Christie Lumsden, Anna Sandoval
OBJECTIVES: Community health workers (CHWs) are a promising approach to oral health promotion in high-risk populations. This article describes the process of creating a pediatric oral health CHW training curriculum. DESIGN: Existing curricula were identified through outreach efforts to experts in the oral health and CHW fields, as well as PubMed and Google searches. After coding basic information, curricula were mapped to define oral health domains. Then group discussion was employed to determine final curriculum contents...
June 16, 2017: Journal of Public Health Management and Practice: JPHMP
https://www.readbyqxmd.com/read/28584604/p53-protein-expression-in-dental-follicle-dentigerous-cyst-odontogenic-keratocyst-and-inflammatory-subtypes-of-cysts-an-immunohistochemical-study
#7
Mashhadiabbas Fatemeh, Arab Sepideh, Bagheri Seyedeh Sara, Mahdavi Nazanin
OBJECTIVES: An odontogenic keratocyst (OKC) is a developmental odontogenic cyst with aggressive clinical behavior. This cyst shows a different growth mechanism from the more common dentigerous cyst and now has been renamed as a keratocystic odontogenic tumor (KCOT). Inflammation can assist tumor growth via different mechanisms including dysregulation of the p53 gene. This study aims to assess and compare the expression of tumor suppressor gene p53 in inflamed and non-inflamed types of OKC and dentigerous cyst...
May 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/28581642/improving-visual-observation-skills-through-the-arts-to-aid-radiographic-interpretation-in-veterinary-practice-a-pilot-study
#8
Cathy Beck, Heather Gaunt, Neville Chiavaroli
Radiographic interpretation is a perceptual and cognitive skill. Recently core veterinary radiology textbooks have focused on the cognitive (i.e., the clinical aspects of radiographic interpretation) rather than the features of visual observation that improve identification of abnormalities. As a result, the skill of visual observation is underemphasized and thus often underdeveloped by trainees. The study of the arts in medical education has been used to train and improve visual observation and empathy. The use of the arts to improve visual observation skills in Veterinary Science has not been previously described...
June 5, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28578885/endodontic-board-certification-a-review-of-factors-affecting-the-certification-rate
#9
Emily Case, Anne Williamson, William T Johnson, Wei Liu, Fang Qian
INTRODUCTION: Board certification identifies clinicians who possess advanced proficiency and expertise within their field. Only 23% of endodontists are board certified (the lowest among all dental specialties). The aim of this study was to determine the factors that influence endodontists' decisions regarding the completion of board certification. METHODS: A 16-question survey was e-mailed to 5073 US endodontists and residents who are American Association of Endodontists members...
June 1, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28578759/cost-savings-from-a-teledentistry-model-for-school-dental-screening-an-australian-health-system-perspective
#10
Mohamed Estai, Stuart Bunt, Yogesan Kanagasingam, Marc Tennant
Objective The aim of the present study was to compare the costs of teledentistry and traditional dental screening approaches in Australian school children.Methods A cost-minimisation analysis was performed from the perspective of the oral health system, comparing the cost of dental screening in school children using a traditional visual examination approach with the cost of mid-level dental practitioners (MLDPs), such as dental therapists, screening the same cohort of children remotely using teledentistry. A model was developed to simulate the costs (over a 12-month period) of the two models of dental screening for all school children (2...
June 5, 2017: Australian Health Review: a Publication of the Australian Hospital Association
https://www.readbyqxmd.com/read/28576038/the-effect-of-ph-fluoride-and-tribocorrosion-on-the-surface-properties-of-dental-archwires
#11
Petra Močnik, Tadeja Kosec, Janez Kovač, Milan Bizjak
Nickel-titanium and stainless steel are the most commonly used alloys for orthodontic treatments. Even though both are known to be resistant to corrosion, there are circumstances that can lead to undesired situations, like localized types of corrosion attack, wear during sliding of an archwire though brackets and breakdowns due to iatrogenic causes. The aim of this research was to analyse the influence of environmental effects on the corrosion and tribocorrosion properties of NiTi and stainless steel dental alloys...
September 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28573834/use-of-jamaican-sign-language-in-the-provision-of-dental-health-care
#12
K Cumberbatch, T Jones
The United Nations Development Assistance Framework for Jamaica 2012-2016 identifies as an outcome increased access to improved quality health and education services for socially excluded and at risk populations. The Deaf Jamaican population can be categorised as a socially excluded population. The communication barrier resulting from their deafness often leads to difficulties in accessing healthcare. The Faculty of Medical Sciences at The University of the West Indies, Mona Campus, implemented a programme aimed at overcoming this communication barrier and improving direct communication between Deaf patients and health professionals treating them...
June 2017: Community Dental Health
https://www.readbyqxmd.com/read/28572414/is-the-advanced-dental-admission-test-adat-the-metric-needed-to-assist-with-postgraduate-admissions-two-viewpoints-viewpoint-1-the-adat-provides-a-viable-solution-to-help-postgraduate-programs-differentiate-applicants-and-viewpoint-2-the-adat-has-questionable
#13
Alec S Eidelman, Thomas Whitmer
In 2012, when the National Board Dental Examination (NBDE) was changed from a numerical scoring system to pass/fail, advanced dental education programs lost a metric widely used for differentiating applicants to those programs. The American Dental Association (ADA) has developed the Advanced Dental Admission Test (ADAT) to address this issue. Implementation of the ADAT began in 2016 with a pilot program, which has not yet been widely accepted in the overall admissions process. This Point/Counterpoint explores the benefits and challenges of using the ADAT for postgraduate admissions...
June 2017: Journal of Dental Education
https://www.readbyqxmd.com/read/28570907/melanin-gamma-rays-assistants-for-bismuth-oxide-nanoparticles-synthesis-at-room-temperature-for-enhancing-antimicrobial-and-photocatalytic-activity
#14
Ahmed I El-Batal, Gharieb S El-Sayyad, Abbas El-Ghamry, Kerolos M Agaypi, Mohamed A Elsayed, Mohamed Gobara
Melanin pigment has been deemed as a natural photoprotector with strong hydrophobicity. It allured considerable compatibility with many applications in medicine, food, and nanotechnology. Penicillium chrysogenium has been devoted to the green synthesis of melanin whereby optimizing its culture and environmental conditions. The impacts of alternative economic L-tyrosine natural sources (unprecedented alternate origins) and gamma radiation were pledged for the potential growing of the pigment. Herein, notable increases in melanin yield (6...
May 23, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28549451/clinical-and-laboratory-evaluation-of-new-immigrant-and-refugee-children-arriving-in-greece
#15
Ioanna D Pavlopoulou, Marsela Tanaka, Stavroula Dikalioti, Evangelia Samoli, Pavlos Nisianakis, Olga D Boleti, Konstantinos Tsoumakas
BACKGROUND: Migrant children are a population at risk for various health problems. Despite the increased inflow of migrants in Greece, data regarding their health assessment are lacking. This study aims to describe the clinical and certain laboratory characteristics and identify possible associations in a group of new immigrant (I) and refugee (R) children, arriving in Athens, Greece. METHODS: A prospective, cross- sectional study was performed in a migrant outpatient clinic of a tertiary Children's hospital...
May 26, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28546619/the-dental-practicality-index-assessing-the-restorability-of-teeth
#16
A Dawood, S Patel
The Dental Practicality Index (DPI) has been designed to describe on a clinical level, the 'practicality' of dental restorative treatment. Applicable to everyday clinical practice, the DPI also aims to assist the clinician in deciding when to seek advice and/or refer a patient for secondary or tertiary dental care. It is hoped that this tool will aid in the systematic assessment of dental restorative problems, enhance communication between collaborating practitioners and help to manage patient expectations before carrying out restorative treatment(s)...
May 26, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28546594/patient-safety-reducing-the-risk-of-wrong-tooth-extraction
#17
P Cullingham, A Saksena, M N Pemberton
Over recent years there has been an increased emphasis on improving patient safety in all branches of medicine, with reducing wrong tooth extraction being a priority in dentistry. The true incidence of wrong tooth extraction is unknown but it is considered an avoidable harm and is a significant source of dental litigation. Interventions to reduce wrong tooth extraction include educational programmes encompassing human factor training, patient assisted identification, the use of checklists, marking of surgical sites and implementation of patient safety guidelines...
May 26, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28546591/the-healthcare-system-and-the-provision-of-oral-healthcare-in-european-union-member-states-part-8-italy
#18
M Bindi, C Paganelli, K A Eaton, E Widström
In Italy healthcare is provided for all Italian citizens and residents and it is delivered mainly by public providers, with some private or private-public entities. Italy's public healthcare system - the Servizio Sanitario Nazionale (SSN) - is organised by the Ministry of Health and administered on a devolved regional basis. It is financed by general taxation that provides universal coverage, largely free of charge at the point of service. The central government establishes the basic national health benefits package, which must be uniformly provided throughout the country, through services guaranteed under the NHS provision called LEA - (Livelli Essenziali di Assistenza [Essential Level of Assistance]) and allocates national funds to the regions...
May 26, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28538231/informal-peer-assisted-learning-groups-did-not-lead-to-better-performance-of-saudi-dental-students
#19
Maha AbdelSalam, Maha El Tantawi, Asim Al-Ansari, Adel AlAgl, Fahad Al-Harbi
OBJECTIVES: To describe peer-assisted learning (PAL) groups formed by dental undergraduate students in a biomedical course and investigate the association of individual and group characteristics with academic performance. SUBJECTS AND METHODS: In 2015, 92 4th yr. students (males: 43; females: 49) in the College of Dentistry, University of Dammam, Saudi Arabia were invited to form PAL groups to study a unit in a biomedical course. An examination was used to assess their knowledge after two weeks...
May 23, 2017: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/28538061/clinical-experience-of-treatment-of-facial-malformations-in-oto-palato-digital-syndrome-a-familial-patient
#20
Tomoe Kira-Koizumi, Nobuyuki Mitsukawa, Tadashi Morishita, Shinsuke Akita, Yoshitaka Kubota, Kaneshige Satoh
Oto-palato-digital syndrome type 1 (OPD1) is an X-linked recessive disorder comprising characteristic facial appearances and skeletal alterations. The authors report OPD1 in a mother and her 2 sons who had multiple common congenital anomalies. Both of the brothers were born with mild hearing impairment, frontal bossing with prominent supraorbital ridges, downslanting palpebral fissures, dental malocclusion, and palatal clefts. They underwent a series of aesthetic surgeries for their facial malformations with good cosmetic results...
June 2017: Journal of Craniofacial Surgery
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