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https://www.readbyqxmd.com/read/28222156/toothbrush-abrasivity-in-a-long-term-simulation-on-human-dentin-depends-on-brushing-mode-and-bristle-arrangement
#1
Mozhgan Bizhang, Ilka Schmidt, Yong-Hee Patricia Chun, Wolfgang H Arnold, Stefan Zimmer
OBJECTIVE: The aim of this study was to evaluate the susceptibility of dentin to brushing abrasion using four different toothbrushes (rotating-oscillating, sonic and two types of manual toothbrushes) with the same brushing forces. METHODS: Dentin samples (n = 72) were selected from 72 impacted third molars. Half of the surface of dentin samples was covered with an adhesive tape, creating a protected and a freely exposed area in the same specimen. Brushing was performed with either a: sonic (Sonicare PowerUp, Philips GmbH, Hamburg, Germany), b: oscillating-rotating (Oral B Vitality Precisions Clean, Procter & Gamble, Schwalbach am Taunus, Germany) or two different manual toothbrushes c: flat trim brush head toothbrush (Dr...
2017: PloS One
https://www.readbyqxmd.com/read/28220946/light-and-energy-based-therapeutics-for-genitourinary-syndrome-of-menopause-consensus-and-controversies
#2
Yona Tadir, Adrian Gaspar, Ahinoam Lev-Sagie, Macrene Alexiades, Red Alinsod, Alex Bader, Alberto Calligaro, Jorge A Elias, Marco Gambaciani, Jorge E Graviria, Cheryl B Iglesia, Ksenija Selih-Martinec, Patricia L Mwesigwa, Urska B Ogrinc, Stefano Salvatore, Paolo Scollo, Nicola Zerbinati, John Stuart Nelson
Gynecologist and plastic surgeons pioneered the application of lasers in medicine and surgery almost 5 decades ago, initially used to treat cervical and vaginal pathologies. Ever since, energy-based devices have been deployed to treat pelvic pathologies and improve fertility. Recent technological developments triggered an unprecedented wave of publications, assessing the efficacy of fractional laser, and radiofrequency on the vaginal wall in reversing natural aging processes. Studies have shown that a certain degree of thermal energy deposited on the vaginal wall stimulates proliferation of the glycogen-enriched epithelium, neovascularization, and collagen formation in the lamina propria, and improves natural lubrication and control of urination...
February 21, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28220914/the-association-between-body-built-and-injury-occurrence-in-pre-professional-ballet-dancers-separated-analysis-for-the-injured-body-locations
#3
Petra Zaletel, Damir Sekulić, Nataša Zenić, Michael R Esco, Dorica Šajber, Miran Kondrič
OBJECTIVES: This study has aimed at identifying prevalence of injury-occurrence in 24 pre-professional-ballet-dancers (females, 16-18 years of age), and identifying the associations between the body-built and prevalence of injuries. MATERIAL AND METHODS: The sample of variables included: body mass, body height, and 3 somatotype characteristics (mesomorph, ectomorph and endomorph) and data on injuries over the preceding year. RESULTS: Dancers were mostly ectomorphic-mesomorph (endomorphy: 2...
February 21, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28220913/socio-demographic-predictors-of-person-organization-fit
#4
Dorota Merecz-Kot, Aleksandra Andysz
OBJECTIVES: The aim of this study was to explore the relationship between socio-demographic characteristics and the level of complementary and supplementary person-organization fit (P-O fit). MATERIAL AND METHODS: The study sample was a group of 600 Polish workers, urban residents aged 19-65. Level of P-O fit was measured using the Subjective Person-Organization Fit Questionnaire by Czarnota-Bojarska. The binomial multivariate logistic regression was applied. The analyzes were performed separately for the men and women...
February 21, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28220912/shift-schedule-work-family-relationships-marital-communication-job-satisfaction-and-health-among-transport-service-shift-workers
#5
Irena Iskra-Golec, Lawrence Smith, Ewa Wilczek-Rużyczka, Patrycja Siemiginowska, Joanna Wątroba
OBJECTIVES: Existing research has documented that shiftwork consequences may depend on the shift system parameters. Fast rotating systems (1-3 shifts of the same kind in a row) and day work have been found to be less disruptive biologically and socially than slower rotating systems and afternoon and night work. The aim of this study was to compare day workers and shift workers of different systems in terms of rotation speed and shifts worked with regard to work-family and family-work positive and negative spillover, marital communication style, job satisfaction and health...
February 21, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28220911/national-survey-of-health-in-the-tattoo-industry-observational-study-of-448-french-tattooists
#6
Nicolas Kluger
OBJECTIVES: The data regarding the health of professional tattooists is inexistent. Tattooists are usually heavily tattooed and exposed daily to body fluids and skin-to-skin contacts with customers, tattoo inks, solvents, allergens, irritants, and work for hours often in inadequate positions using vibrating tattoo machines. We analyzed the health status of active French professional tattooists. MATERIAL AND METHODS: An observational self-reported Internet survey was performed among 448 tattooists who were members of the French Tattoo Union in November 2013...
February 21, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28220910/chemical-incidents-resulted-in-hazardous-substances-releases-in-the-context-of-human-health-hazards
#7
Anna Pałaszewska-Tkacz, Sławomir Czerczak, Katarzyna Konieczko
OBJECTIVES: The research purpose was to analyze data concerning chemical incidents in Poland collected in 1999-2009 in terms of health hazards. MATERIAL AND METHODS: The data was obtained, using multimodal information technology (IT) system, from chemical incidents reports prepared by rescuers at the scene. The final analysis covered sudden events associated with uncontrolled release of hazardous chemical substances or mixtures, which may potentially lead to human exposure...
February 21, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28220909/effects-of-meso-2-3-dimercaptosuccinic-acid-potassium-iodide-and-chlorophyll-on-lead-accumulation-in-male-mice
#8
Ying Xie, Guifeng Zhou
OBJECTIVES: Lead (Pb) pollution is a serious public health problem all over the world, it especially plays severe damage role in children's health. Apart from reducing lead-induced damages, the decrease of lead accumulation is also critical. This study has been the first attempt to investigate effects of meso-2,3-dimercaptosuccinic acid (DMSA), potassium iodide (KI) and chlorophyll (Chl) on lead accumulation in male mice. MATERIAL AND METHODS: Eighty healthy Kunming male mice were selected and divided randomly into 8 groups...
February 21, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28220908/hsp70-hspa1-polymorphisms-in-former-workers-with-chronic-mercury-vapor-exposure
#9
Yury I Chernyak, Alla P Merinova
OBJECTIVES: To investigate 4 loci of 3 HSP70 genes in caustic soda production plant former workers, who have been exposed to metallic mercury vapors for a long time, and including numerous cases of chronic mercury intoxication (CMI). MATERIAL AND METHODS: Polymorphisms in HSP70 gene family members (HSP1A1 (+190G/C, rs1043618), HSPA1B (+1267A/G and +2074G/C, rs1061581) and HSP1AL (+2437T/C, rs2227956)) genes were studied among 120 male workers involved in caustic soda production by mercury electrolysis at 2 plants in Eastern Siberia...
February 21, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28220907/exposure-to-excessive-sounds-and-hearing-status-in-academic-classical-music-students
#10
Małgorzata Pawlaczyk-Łuszczyńska, Małgorzata Zamojska-Daniszewska, Adam Dudarewicz, Kamil Zaborowski
OBJECTIVES: The aim of this study was to assess hearing of music students in relation to their exposure to excessive sounds. MATERIAL AND METHODS: Standard pure-tone audiometry (PTA) was performed in 168 music students, aged 22.5±2.5 years. The control group included 67 subjects, non-music students and non-musicians, aged 22.8±3.3 years. Data on the study subjects' musical experience, instruments in use, time of weekly practice and additional risk factors for noise-induced hearing loss (NIHL) were identified by means of a questionnaire survey...
February 21, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28220906/experiences-with-preventing-carpal-tunnel-syndrome-in-an-automotive-plant
#11
Věra Žídková, Marie Nakládalová, Jana Zapletalová, Zdeněk Nakládal, Helena Kollárová
OBJECTIVES: Carpal tunnel syndrome (CTS) is a common occupational disease. The aim was to assess the effect of preventive measures in automotive assembly workers. MATERIAL AND METHODS: The analysis summarizes data from annual crosssectional studies. The 7-year analysis of data was based on medical records obtained from an occupational physician and inspections carried out at the workplace where targeted preventive measures were introduced, including better ergonomic arrangement of the workplace, technical adjustments facilitating the work, preventive nerve conduction studies (NCS) testing of the median nerve once a year, switching of workers and their targeted rotation within the workplace...
February 21, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28220905/mobile-phone-use-and-risk-for-intracranial-tumors-and-salivary-gland-tumors-a-meta-analysis
#12
REVIEW
Alicja Bortkiewicz, Elżbieta Gadzicka, Wiesław Szymczak
Results of epidemiological studies on the association between use of mobile phone and brain cancer are ambiguous, as well as the results of 5 meta-analysis studies published to date. Since the last meta-analysis (2009), new case-control studies have been published, which theoretically could affect the conclusions on this relationship. Therefore, we decided to perform a new meta-analysis. We conducted a systematic review of multiple electronic data bases for relevant publications. The inclusion criteria were: original papers, case-control studies, published till the end of March 2014, measures of association (point estimates as odds ratio and confidence interval of the effect measured), data on individual exposure...
February 21, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28220904/recent-advances-in-occupational-and-environmental-health-hazards-of-workers-exposed-to-gasoline-compounds
#13
REVIEW
Christopher E Ekpenyong, Asuquo E Asuquo
The impact of health and environmental hazards, associated with the constituents of gasoline, on occupationally exposed workers has been recorded over the past few decades. However, the scientific literature on their pathogenic potential remains incomplete, which could affect the current understanding of the associated health risks. This review provides current information based on recently improved research techniques to evaluate gasoline toxicity profiles for humans. Our current knowledge provides insight into the intricate mechanism of gasoline-induced adverse effects, including the formation of reactive metabolites via bio-activation and subsequent generation of reactive oxygen species (ROS) and oxidative stress, which are involved in multiple mechanisms that are central to the aetiology of gasoline-induced toxicity...
February 21, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28220617/wave-caipi-for-highly-accelerated-mp-rage-imaging
#14
Daniel Polak, Kawin Setsompop, Stephen F Cauley, Borjan A Gagoski, Himanshu Bhat, Florian Maier, Peter Bachert, Lawrence L Wald, Berkin Bilgic
PURPOSE: To introduce a highly accelerated T1-weighted magnetization-prepared rapid gradient echo (MP-RAGE) acquisition that uses wave-controlled aliasing in parallel imaging (wave-CAIPI) encoding to retain high image quality. METHODS: Significant acceleration of the MP-RAGE sequence is demonstrated using the wave-CAIPI technique. Here, sinusoidal waveforms are used to spread aliasing in all three directions to improve the g-factor. Combined with a rapid (2 s) coil sensitivity acquisition and data-driven trajectory calibration, we propose an online integrated acquisition-reconstruction pipeline for highly efficient MP-RAGE imaging...
February 20, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28220508/quantitative-long-term-measurements-of-burns-in-a-rat-model-using-spatial-frequency-domain-imaging-sfdi-and-laser-speckle-imaging-lsi
#15
Adrien Ponticorvo, David M Burmeister, Rebecca Rowland, Melissa Baldado, Gordon T Kennedy, Rolf Saager, Nicole Bernal, Bernard Choi, Anthony J Durkin
BACKGROUND AND OJECTIVES: The current standard for diagnosis of burn severity and subsequent wound healing is through clinical examination, which is highly subjective. Several new technologies are shifting focus to burn care in an attempt to help quantify not only burn depth but also the progress of healing. While accurate early assessment of partial thickness burns is critical for dictating the course of treatment, the ability to quantitatively monitor wound status over time is critical for understanding treatment efficacy...
February 21, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28220505/fractional-microplasma-radiofrequency-technology-for-non-hypertrophic-post-burn-scars-in-asians-a-prospective-study-of-95-patients
#16
Shen Wang, Jing Mi, Qingfeng Li, Rui Jin, Jiying Dong
BACKGROUND: Laser and other energy devices are emerging, minimally invasive treatments for scars. Among the various techniques, fractional microplasma radiofrequency technology (FMRT) has proven to be an effective treatment option for various types of scars and skin conditions such as rhytids, striae distensae, and hyperpigmentation. OBJECTIVE: This prospective clinical trial was designed to evaluate the efficacy and safety of FMRT for treating non-hypertrophic post-burn scars in the Asian population...
February 20, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28219471/a-descriptive-analysis-of-tactical-casualty-care-interventions-performed-by-law-enforcement-personnel-in-the-state-of-wisconsin-2010-2015
#17
Chad M Stiles, Christopher Cook, Matthew D Sztajnkrycer
: Introduction Based upon military experience, law enforcement has developed guidelines for medical care during high-threat conditions. The purpose of the current study was to provide a descriptive analysis of reported outcomes of law enforcement medical interventions. METHODS: This was a descriptive analysis of a convenience sample of cases submitted to the Wisconsin Tactical Medicine Initiative (Wisconsin USA), after the provision of successful patient care, between January 2010 and December 2015...
February 21, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28219461/evaluating-the-impact-of-pharmacies-on-pandemic-influenza-vaccine-administration
#18
Joy Schwerzmann, Samuel B Graitcer, Barbara Jester, David Krahl, Daniel Jernigan, Carolyn B Bridges, Joseph Miller
OBJECTIVES: The objective of this study was to quantify the potential retail pharmacy vaccine administration capacity and its possible impact on pandemic influenza vaccine uptake. METHODS: We developed a discrete event simulation model by use of ExtendSim software (Imagine That Inc, San Jose, CA) to forecast the potential effect of retail pharmacy vaccine administration on total weekly vaccine administration and the time needed to reach 80% vaccination coverage with a single dose of vaccine per person...
February 21, 2017: Disaster Medicine and Public Health Preparedness
https://www.readbyqxmd.com/read/28219457/maximum-time-to-rescue-after-the-1908-messina-reggio-calabria-earthquake-was-20-days-hints-for-disaster-planning
#19
Natale Gaspare De Santo, Carmela Bisaccia, Luca Salvatore De Santo
: Introduction Maximum time-to-rescue has been studied accurately for many earthquakes in the years 1985-2004. No study is available for historical quakes. Hypothesis/Problem This study aimed to evaluate long-term survivors (from the fifth day after the quake) of the Messina-Reggio Calabria earthquake (1908; Italy), which is considered, historically, to be the worst seismic event in Europe. METHODS: Accurate readings of 11 national newspapers from the fifth day after the quake looking for rescued persons and transferring, to an ad hoc form, all data relating to each rescued person...
February 21, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28219456/an-electronic-competency-based-evaluation-tool-for-assessing-humanitarian-competencies-in-a-simulated-exercise
#20
Andrea B Evans, Jennifer M Hulme, Peter Nugus, Hilarie H Cranmer, Melanie Coutu, Kirsten Johnson
METHODS: The evaluation tool was first derived from the formerly Consortium of British Humanitarian Agencies' (CBHA; United Kingdom), now "Start Network's," Core Humanitarian Competency Framework and formatted in an electronic data capture tool that allowed for offline evaluation. During a 3-day humanitarian simulation event, participants in teams of eight to 10 were evaluated individually at multiple injects by trained evaluators. Participants were assessed on five competencies and a global rating scale...
February 21, 2017: Prehospital and Disaster Medicine
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