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https://www.readbyqxmd.com/read/28091437/radiopacity-of-bulk-fill-flowable-resin-composite-materials
#1
T Yildirim, M K Ayar, M S Akdag, C Yesilyurt
OBJECTIVES: The purpose of this study was to evaluate the radiopacity of currently marketed bulk fill flowable dental composite materials (Beautifil Bulk Flowable, SDR Flow, Filtek Bulk Fill Flow, and x-tra Base Bulk Fill). MATERIALS AND METHODS: Six specimens of each material with a thickness of 1 mm were prepared, and digital radiographs were taken, using a CCD sensor along with an aluminum stepwedge and 1 mm-thick tooth slice. The mean gray level of each aluminum stepwedge and selected materials was measured, using the equal-density area tool of Kodak Dental Imaging software...
February 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28075494/geographic-access-to-dental-care-varies-in-missouri-and-wisconsin
#2
Kamyar Nasseh, Yochai Eisenberg, Marko Vujicic
OBJECTIVE: To examine geographic access to dental providers for the general population and children with public insurance in Missouri and Wisconsin. METHODS: Using a newly constructed dentist office database from the American Dental Association master file and other sources, we use the two-step floating area catchment area method to calculate population to provider ratios at the census block group level. These ratios are used to determine potential geographic dentist shortage areas...
January 11, 2017: Journal of Public Health Dentistry
https://www.readbyqxmd.com/read/28072486/radiopacity-of-composite-luting-cements-using-a-digital-technique
#3
Walter Dukic
PURPOSE: The aim of this in vitro study was to evaluate the radiopacity of 20 common dental composite luting materials using a digital technique. MATERIALS AND METHODS: A 1-mm-thick specimen of each material with a human tooth slice and aluminium step wedge were tested using digital radiographs under four combinations of exposure and voltage. The radiopacity in pixels was determined using computer software. The equivalent thickness of aluminium for each material was then calculated based on the calibration curve...
January 10, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28054040/systematic-review-on-highly-viscous-glass-ionomer-cement-resin-coating-restorations-part-ii-%C3%A2-do-they-merge-minamata-convention-and-minimum-intervention-dentistry
#4
Andrej M Kielbassa, Georg Glockner, Michael Wolgin, Karl Glockner
BACKGROUND: With the Minamata Convention the use of mercury will be phased down, and this undoubtedly will have an effect on dental treatment regimens and economic resources. Composite resin restorations are considered viable alternatives to amalgam fillings; however, these will not be covered completely by health insurance systems in many countries. Recently, a high-viscosity glass-ionomer cement (hvGIC) processed with a resinous coating (RC) has been introduced, and has been marketed as a restorative material in load-bearing Class I cavities (and in Class II cavities with limited size), thus serving as a possible alternative to amalgam fillings...
2017: Quintessence International
https://www.readbyqxmd.com/read/28028985/using-an-electron-scanning-microscope-to-assess-the-penetrating-abilities-of-an-experimental-preparation-with-features-of-a-dental-infiltrant-preliminary-study
#5
Małgorzata Skucha-Nowak, Anna Mertas, Marta Tanasiewicz
BACKGROUND: The resin infiltration technique is one of the micro-invasive methods whose aim is the penetration of demineralized enamel with a low viscosity resin. This technique allows the dentist to avoid the application of mechanical means of treatment. OBJECTIVES: The objective of this preliminary study was to attempt to determine the possibilities of using an electron microscope to assess the penetrating abilities of an experimental preparation with features of a dental infiltrant and to compare the depth of infiltration of the designed experimental preparation with an infiltrant available on the market...
November 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28028962/assessing-the-penetrating-abilities-of-experimental-preparation-with-dental-infiltrant-features-using-optical-microscope-preliminary-study
#6
Małgorzata Skucha-Nowak, Agnieszka Machorowska-Pieniążek, Marta Tanasiewicz
BACKGROUND: The aim of the infiltration technique is to penetrate demineralized enamel with a low viscosity resin. Icon® (DMG) is the first ever and so far the only dental infiltrant. Bacteriostaticity is one of the properties that should be inherent in dental infiltrants, but Icon lacks this feature. OBJECTIVES: The aim of the preliminary study was to properly choose a dye which would allow us to assess the penetrating abilities of our own, experimental preparation with features of a dental infiltrant with bacteriostatic properties and to compare using an optical microscope the depth of infiltration of the designed experimental preparation with the infiltrant available on the market...
September 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/27989408/estimating-premium-and-out-of-pocket-outlays-under-all-child-dental-coverage-options-in-the-federally-facilitated-marketplace
#7
Marko Vujicic, Cassandra Yarbrough
OBJECTIVE: To estimate premium and out-of-pocket costs for child dental care services under various dental coverage options offered within the federally facilitated marketplace. STUDY DESIGN: We estimated premium and out-of-pocket costs for child dental care services for 12 patient profiles, which vary by dental care use and spending. We did this for 1039 medical plans that include child dental coverage, 2703 medical plans that do not include child dental coverage, and 583 stand-alone dental plans for the 2015 plan year...
December 15, 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27931466/evidence-based-clinical-practice-guideline-for-the-use-of-pit-and-fissure-sealants
#8
(no author information available yet)
BACKGROUND: This article presents evidence-based clinical recommendations for the use of pit-and-fissure sealants on the occlusal surfaces of primary and permanent molars in children and adolescents. A guideline panel convened by the American Dental Association (ADA) Council on Scientific Affairs and the American Academy of Pediatric Dentistry conducted a systematic review and formulated recommendations to address clinical questions in relation to the efficacy, retention, and potential side effects of sealants to prevent dental caries; their efficacy compared with fluoride varnishes; and a head-to-head comparison of the different types of sealant material used to prevent caries on pits-and-fissures of occlusal surfaces...
October 2016: Pediatric Dentistry
https://www.readbyqxmd.com/read/27857514/the-use-of-bioceramics-in-endodontics-literature-review
#9
REVIEW
Stefan Jitaru, Ioana Hodisan, Lucia Timis, Anamaria Lucian, Marius Bud
BACKGROUND AND AIM: Bioceramics are ceramic compounds obtained both in situ and in vivo, by various chemical processes. Bioceramics exhibit excellent biocompatibility due to their similarity with biological materials, like hydroxyapatite. Bioceramics and multi-substituted hydroxyapatite or similar compounds have the ability to induce a regenerative response in the organism. The aim of this paper is to make a literature review on the main bioceramic materials currently used in endodontics and on their specific characteristics...
2016: Clujul Medical (1957)
https://www.readbyqxmd.com/read/27855718/attitudes-of-dentists-and-interns-in-riyadh-to-the-use-of-dental-amalgam
#10
Fahad Alkhudhairy
BACKGROUND: Studies investigating the attitudes of Saudi dentists to the use of amalgam for restorations are relatively rare. Considering the goals set forth by the Minamata Convention on Mercury, it appears prudent to investigate the attitudes of experienced dentists and fresh dental graduates to the use of amalgam. The aim of this study was to assess the attitudes of Saudi dentists and interns working in Riyadh, Saudi Arabia to the use of amalgam. Using a convenience sampling methodology, a total of 400 Saudi dentists and interns were contacted to request their participation in this cross-sectional questionnaire-based study...
November 17, 2016: BMC Research Notes
https://www.readbyqxmd.com/read/27843247/comparative-evaluation-of-remineralizing-potential-of-three-pediatric-dentifrices
#11
REVIEW
Ashna Kapoor, K R Indushekar, Bhavna G Saraf, Neha Sheoran, Divesh Sardana
INTRODUCTION: Dentifrices are available in different formulations and more commonly a single dentifrice is used by whole family; be it an adult or child. However, concerns over high fluoride in pediatric formulations coupled with inability of the children to spit have led to recommendations to minimize fluoride ingestion during toothbrushing by using a small amount of toothpaste by children and incorporating minimal quantity of fluoride in the toothpastes. Literature is scarce on the remineralization potential of popularly known Indian pediatric dentifrices; hence, pediatric dentifrices containing lesser concentration of fluoride have been marketed relatively recently for the benefit of children without posing a threat of chronic fluoride toxicity at the same time...
July 2016: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/27836814/own-brand-label-restorative-materials-a-false-bargain
#12
Gaute Floer Johnsen, Minh Khai Le Thieu, Badra Hussain, Elzbieta Pamuła, Janne Elin Reseland, Ståle Petter Lyngstadaas, Håvard Haugen
OBJECTIVES: This study aims at evaluating and comparing mechanical, chemical, and cytotoxicological parameters of a commercial brand name composite material against two 'own brand label' (OBL) composites. METHODS: Parameters included depth of cure, flexural strength, degree of conversion, polymerization shrinkage, filler particle morphology and elemental analyzes, Vickers hardness, surface roughness parameters after abrasion, monomer elution, and cytotoxicity. RESULTS: The conventional composite outperformed the OBLS in terms of depth of cure (p<0...
January 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/27814252/current-techniques-in-cad-cam-denture-fabrication
#13
Nadim Z Baba, Hamad S AlRumaih, Brian J Goodacre, Charles J Goodacre
Recently, the use of computer-aided design/computer-aided manufacturing (CAD/CAM) to produce complete dentures has seen exponential growth in the dental market, and the number of commercially available CAD/CAM denture systems grows every year. The purpose of this article is to describe the clinical and laboratory procedures of 5 CAD/CAM denture systems.
November 2016: General Dentistry
https://www.readbyqxmd.com/read/27806754/-issues-confronted-with-biomaterials-research-and-development-and-market-access-in-craniomaxillofacial-field
#14
M Hu
There are a variety of biomedical materials applied in craniomaxillofacial and dental clinical practice, plastic surgery, otorhinolaryngology and neurosurgery. With the increasing investment for the biomedical materials study, considerable progress has been obtained in biomaterials research. But overall, the field of biomaterials in China is still in a backward state. The development of advanced manufacturing technology has put forward new demands for the research of biological materials and has expanded the application, but at present, there are few biomaterials that meet the requirements...
November 9, 2016: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/27786618/comparative-analysis-of-user-generated-online-yelp-reviews-for-periodontal-practices-in-multiple-metropolitan-markets
#15
Dan J Holtzclaw
BACKGROUND: Previously published research for a single metropolitan market (Austin, Texas, USA) found that periodontists fared poorly on the Yelp website in regards to nearly all measured metrics including average star ratings, number of reviews, review removal rate, and evaluations by Elite Yelp users. The purpose of the current study was to confirm or refute these findings by expanding the data sets to additional metropolitan markets of varying sizes and geographic locations. METHODS: A total of 6,559 Yelp reviews were examined for general dentists, endodontists, pediatric dentists, oral surgeons, orthodontists, and periodontists in small (Austin, Texas), medium (Seattle, Washington), and large (New York City, New York) metropolitan markets...
October 27, 2016: Journal of Periodontology
https://www.readbyqxmd.com/read/27770581/a-pharmacotherapy-review-of-the-novel-oral-antithrombotics
#16
Kara J Walters, Anna Meador, John A Galdo, Katharine Ciarrocca
Coagulation disorders account for a high incidence of death in the U.S. due to stroke, myocardial infarction, and venous thromboembolism. In the past few years, numerous agents have been brought to market for the treatment of thromboembolism or prevention of thromboembolism. Similar to warfarin, these agents can cause bleeding disorders, which may exacerbate dental care treatment plans. This literature review examines the newer agents for the treatment of thromboembolism disorders, common side effects and drug interactions, the specific medical conditions each agent treats, and the dental perspective on how to medically management patients prescribed these medications...
October 22, 2016: Special Care in Dentistry
https://www.readbyqxmd.com/read/27757445/systematic-review-on-highly-viscous-glass-ionomer-cement-resin-coating-restorations-part-i-%C3%A2-do-they-merge-minamata-convention-and-minimum-intervention-dentistry
#17
Andrej M Kielbassa, Georg Glockner, Michael Wolgin, Karl Glockner
BACKGROUND: With the Minamata Convention the use of mercury will be phased down, and this undoubtedly will have an effect on dental treatment regimens and economic resources. Composite resin restorations are considered viable alternatives to amalgam fillings; however, these will not be covered completely by health insurance systems in many countries. Recently, a high-viscosity glass-ionomer cement (hvGIC) processed with a resinous coating (RC) has been introduced, and has been marketed as a restorative material in load-bearing Class I cavities (and in Class II cavities with limited size), thus serving as a possible alternative to amalgam fillings...
2016: Quintessence International
https://www.readbyqxmd.com/read/27747704/achieving-surface-chemical-and-morphologic-alterations-on-tantalum-by-plasma-electrolytic-oxidation
#18
Marcelo Augusto Pinto Cardoso Goularte, Gustavo Frainer Barbosa, Nilson Cristino da Cruz, Luciana Mayumi Hirakata
BACKGROUND: Search for materials that may either replace titanium dental implants or constitute an alternative as a new dental implant material has been widely studied. As well, the search for optimum biocompatible metal surfaces remains crucial. So, the aim of this work is to develop an oxidized surface layer on tantalum using plasma electrolytic oxidation (PEO) similar to those existing on oral implants been marketed today. METHODS: Cleaned tantalum samples were divided into group 1 (control) and groups 2, 3, and 4 (treated by PEO for 1, 3, and 5 min, respectively)...
December 2016: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/27720423/filler-characteristics-of-modern-dental-resin-composites-and-their-influence-on-physico-mechanical-properties
#19
Luc D Randolph, William M Palin, Gaëtane Leloup, Julian G Leprince
OBJECTIVE: The mechanical properties of dental resin-based composites (RBCs) are highly dependent on filler characteristics (size, content, geometry, composition). Most current commercial materials are marketed as "nanohybrids" (i.e. filler size <1μm). In the present study, filler characteristics of a selection of RBCs were described, aiming at identifying correlations with physico-mechanical properties and testing the relevance of the current classification. METHODS: Micron/sub-micron particles (> or <500nm) were isolated from 17 commercial RBCs and analyzed by laser diffractrometry and/or electron microscopy...
December 2016: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/27717755/optical-properties-of-pre-colored-dental-monolithic-zirconia-ceramics
#20
Hee-Kyung Kim, Sung-Hun Kim
OBJECTIVES: The purposes of this study were to evaluate the optical properties of recently marketed pre-colored monolithic zirconia ceramics and to compare with those of veneered zirconia and lithium disilicate glass ceramics. METHODS: Various shades of pre-colored monolithic zirconia, veneered zirconia, and lithium disilicate glass ceramic specimens were tested (17.0×17.0×1.5mm, n=5). CIELab color coordinates were obtained against white, black, and grey backgrounds with a spectrophotometer...
December 2016: Journal of Dentistry
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