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https://www.readbyqxmd.com/read/28634495/choking-hazards-are-current-product-testing-methods-for-small-parts-adequate
#1
Athena Neofotistos, Nancy Cowles, Ragini Sharma
Choking on small parts remains one of the leading causes of death and injury in infants and toddlers. The current method of testing for small parts, created by the Consumer Product Safety Commission (CPSC), has become outdated and has yet to be changed despite the many deaths and injuries of children. The method uses a device called the small parts test fixture (SPTF) that is supposed to mimic the size of a fully expanded throat of a toddler. If a product does not fit inside the cavity of the SPTF, then it is deemed safe to play with because it "will not fit" in the esophagus of a child...
2017: International Journal of Pediatrics
https://www.readbyqxmd.com/read/28626763/implant-stability-in-the-posterior-maxilla-a-controlled-clinical-trial
#2
Raquel Zita Gomes, Mario Ramalho de Vasconcelos, Isabel Maria Lopes Guerra, Rute Alexandra Borges de Almeida, Antonio Cabral de Campos Felino
AIM: To evaluate the primary and secondary stability of implants in the posterior maxilla. METHODS: Patients were allocated into three groups: (A) native bone, (B) partially regenerated bone, and (C) nearly totally regenerated bone. Insertion torque (IT) and implant stability quotient (ISQ) were measured at placement, to evaluate whether satisfactory high primary stability (IT ≥ 45 N/cm; ISQ ≥ 60) was achieved; ISQ was measured 15, 30, 45, and 60 days after placement, to investigate the evolution to secondary stability...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28623680/what-are-the-incidence-and-factors-associated-with-implant-fracture
#3
Reza Tabrizi, Hossein Behnia, Shahram Taherian, Nima Hesami
PURPOSE: Implant fracture is a serious complication, which leads to treatment failure. The purpose of this study is to estimate the incidence of implant fractures and identify factors associated with them. MATERIALS AND METHODS: In this retrospective cohort study, the sample was derived from 2 implant centers. The predictors were grouped into the following categories: demographic, location of implant, physical characteristic of implant, implant-abutment connection, type of prosthesis, type of retention, and outcome variable (time to implant fracture)...
May 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28600383/validation-of-static-and-dynamic-radiostereometric-analysis-of-the-knee-joint-using-bone-models-from-ct-data
#4
K Stentz-Olesen, E T Nielsen, S De Raedt, P B Jørgensen, O G Sørensen, B L Kaptein, M S Andersen, M Stilling
OBJECTIVES: Static radiostereometric analysis (RSA) using implanted markers is considered the most accurate system for the evaluation of prosthesis migration. By using CT bone models instead of markers, combined with a dynamic RSA system, a non-invasive measurement of joint movement is enabled. This method is more accurate than current 3D skin marker-based tracking systems. The purpose of this study was to evaluate the accuracy of the CT model method for measuring knee joint kinematics in static and dynamic RSA using the marker method as the benchmark...
June 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28595867/the-match-to-match-variation-of-match-running-in-elite-female-soccer
#5
Joshua Trewin, César Meylan, Matthew C Varley, John Cronin
OBJECTIVES: The purpose of this study was to examine the match-to-match variation of match-running in elite female soccer players utilising GPS, using full-match and rolling period analyses. DESIGN: Longitudinal study. METHODS: Elite female soccer players (n=45) from the same national team were observed during 55 international fixtures across 5 years (2012-2016). Data was analysed using a custom built MS Excel spreadsheet as full-matches and using a rolling 5-min analysis period, for all players who played 90-min matches (files=172)...
May 25, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28594930/evaluation-of-an-enhanced-cleaning-and-disinfection-protocol-in-salmonella-contaminated-pig-holdings-in-the-united-kingdom
#6
Francesca Martelli, Mark Lambert, Paul Butt, Tanya Cheney, Fabrizio Antonio Tatone, Rebecca Callaby, André Rabie, Rebecca J Gosling, Steve Fordon, Graham Crocker, Robert H Davies, Richard Piers Smith
Salmonella is the second most commonly reported zoonotic gastrointestinal pathogen in the European Union, and a significant proportion of the cases are linked to the consumption of contaminated pork. Reduction of Salmonella at the farm level helps to mininimise the contamination pressure at the slaughterhouse, and therefore the number of Salmonella bacteria entering the food chain. Cleaning and disinfection (C&D) between batches of pigs is an intervention measure that has potential to reduce the transmission of Salmonella contamination within farms...
2017: PloS One
https://www.readbyqxmd.com/read/28582958/using-osseointegrated-implants-concomitant-with-onlay-bone-grafting-for-auricular-reconstruction
#7
Amin Rahpeyma, Saeedeh Khajehahmadi
Conventional dental implants have been reported for nasal and orbital regions but due to limited thickness of calvarium they are not used in mastoid region. Onlay bone grafting in skull concomitant with implants is a predictable method and experimental animal studies confirm it. Parietal bone and lateral mandibular ramus are suggested source of bone grafts and dental implants with 7 mm length can be used safely. Increased fixture length may lead to increase survival in long term.
June 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28571286/staged-hard-and-soft-tissue-reconstruction-followed-by-implant-supported-restoration-in-the-aesthetic-zone-a-case-report
#8
Harinath Parthasarathy, Lakshmi Ramachandran, Anupama Tadepalli, Deepa Ponnaiyan
Alveolar ridge deficiency is a common clinical consequence following tooth loss due to chronic periodontitis complicating ideal implant placement. Advanced hard and soft tissue augmentation procedures have been developed in the recent past with predictable clinical outcomes. A male patient presented with a Grade III mobile upper right central incisor associated with advanced bone loss and soft tissue deficit. Following extraction of tooth #11, socket augmentation was done using an autogenous cortico-cancellous block graft and subsequent soft tissue augmentation was done with palatal connective tissue graft...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28559166/cryo-fib-specimen-preparation-for-use-in-a-cartridge-type-cryo-tem
#9
Jie He, Chyongere Hsieh, Yongping Wu, Thomas Schmelzer, Pan Wang, Ying Lin, Michael Marko, Haixin Sui
Cryo-electron tomography (cryo-ET) is a well-established technique for studying 3D structural details of subcellular macromolecular complexes and organelles in their nearly native context in the cell. A primary limitation of the application of cryo-ET is the accessible specimen thickness, which is less than the diameters of almost all eukaryotic cells. It has been shown that focused ion beam (FIB) milling can be used to prepare thin, distortion-free lamellae of frozen biological material for high-resolution cryo-ET...
May 27, 2017: Journal of Structural Biology
https://www.readbyqxmd.com/read/28555116/interaction-between-gender-and-skill-on-competitive-state-anxiety-using-the-time-to-event-paradigm-what-roles-do-intensity-direction-and-frequency-dimensions-play
#10
John E Hagan, Dietmar Pollmann, Thomas Schack
Background and purpose: The functional understanding and examination of competitive anxiety responses as temporal events that unfold as time-to-competition moves closer has emerged as a topical research area within the domains of sport psychology. However, little is known from an inclusive and interaction oriented perspective. Using the multidimensional anxiety theory as a framework, the present study examined the temporal patterning of competitive anxiety, focusing on the dimensions of intensity, direction, and frequency of intrusions in athletes across gender and skill level...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28554053/radiographic-evaluation-of-acute-distal-radius-fracture-stability-a-comparative-cadaveric-study-between-a-thermo-formable-bracing-system-and-traditional-fiberglass-casting
#11
Brandon G Santoni, Jazmine R Aira, Miguel A Diaz, T Kyle Stoops, Peter Simon
BACKGROUND: Distal radius fractures are common musculoskeletal injuries and many can be treated non-operatively with cast immobilization. A thermo-formable brace has been developed for management of such fractures, but no data exist regarding its comparative stabilizing efficacy to fiberglass casting. METHODS: A worst-case distal radius fracture was created in 6 cadaveric forearms. A radiolucent loading fixture was created to apply cantilever bending/compression loads ranging from 4...
May 19, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28550914/self-drilling-and-self-tapping-miniscrews-for-osteosynthesis-fixture-after-lefort-i-osteotomy-an-ex%C3%A2-vivo-trial-for-primary-stability-and-a-randomized-clinical-study
#12
Irina Bolm, Elisabeth Goetze, Peer W Kämmerer, Robert Sader, Michelle Klos, Constantin Landes, Bilal Al-Nawas
BACKGROUND: Self-drilling osteosynthesis screws (SDS) have a potential higher primary stability together with clinical advantages such as less time effort compared to self-tapping screws (STS). The aims of the study were to compare the primary stability of SDS and STS ex vivo and to analyze of the time-saving effect in vivo. MATERIALS AND METHODS: Ex vivo, both screws were placed in porcine bone. Torque was measured for insertion and removal. Four specimens were kept in bone for histologic bone-to-implant-contact examination...
May 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28516821/pseudomonas-aeruginosa-outbreak-in-a-neonatal-intensive-care-unit-attributed-to-hospital-tap-water
#13
Cara Bicking Kinsey, Samir Koirala, Benjamin Solomon, Jon Rosenberg, Byron F Robinson, Antonio Neri, Alison Laufer Halpin, Matthew J Arduino, Heather Moulton-Meissner, Judith Noble-Wang, Nora Chea, Carolyn V Gould
OBJECTIVE To investigate an outbreak of Pseudomonas aeruginosa infections and colonization in a neonatal intensive care unit. DESIGN Infection control assessment, environmental evaluation, and case-control study. SETTING Newly built community-based hospital, 28-bed neonatal intensive care unit. PATIENTS Neonatal intensive care unit patients receiving care between June 1, 2013, and September 30, 2014. METHODS Case finding was performed through microbiology record review. Infection control observations, interviews, and environmental assessment were performed...
May 18, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28488906/factors-affecting-match-outcome-in-elite-australian-football-a-14-year-analysis
#14
Brendan H Lazarus, William G Hopkins, Andrew M Stewart, Robert J Aughey
Effects of fixture and team-characteristics on match outcome in elite Australian football were quantified using data accessed at AFLtables.com for 5109 matches for seasons 2000-2013. Aspects of each match included days-break between matches (≤7 d vs ≥8 d), location (home vs away), travel-status (travel vs no travel), and differences between opposing teams' mean age, body mass and height (expressed as quintiles). A logistic-regression version of the generalised mixed linear model estimated each effect, which was assessed with magnitude-based inference using one extra win or loss in every 10 matches as the smallest important change...
May 10, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28485705/where-does-the-ordered-line-come-from-evidence-from-a-culture-of-papua-new-guinea
#15
Kensy Cooperrider, Tyler Marghetis, Rafael Núñez
Number lines, calendars, and measuring sticks all represent order along some dimension (e.g., magnitude) as position on a line. In high-literacy, industrialized societies, this principle of spatial organization- linear order-is a fixture of visual culture and everyday cognition. But what are the principle's origins, and how did it become such a fixture? Three studies investigated intuitions about linear order in the Yupno, members of a culture of Papua New Guinea that lacks conventional representations involving ordered lines, and in U...
May 2017: Psychological Science
https://www.readbyqxmd.com/read/28469832/biologically-oriented-preparation-technique-bopt-for-implant-supported-fixed-prostheses
#16
Mª Fernanda Solá-Ruiz, Jaime Del Rio Highsmith, Carlos Labaig-Rueda, Rubén Agustín-Panadero
A patient of 58 years of age without medical problems came to the clinic due to missing teeth in the upper posterior region and to change the partial fixed prosthesis in the upper anterior area. Proposed treatment: surgical phase of three conical shape tapering implants with prosthetic platform in occlusal direction with mechanize collar tissue level with fixtures to place implant-supported metal-ceramic restorations. In the anterior area, a zirconium oxide fixed partial prosthesis was vertical preparation of the tooth's...
April 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28459421/comparison-of-fatigue-performance-between-fully-and-partially-threaded-cannulated-screws-used-for-stabilization-of-slipped-capital-femoral-epiphyses
#17
Stephen Stacey, William Barfield, Luke Pietrykowski, John DesJardins, James Mooney
Cannulated screws are widely used for the treatment of slipped capital femoral epiphysis; however, the optimal choice and number of implants have not been clearly defined. Studies have shown that two screws are biomechanically superior to a single screw in load-to-failure testing, but the fatigue performance of different screw designs has not been investigated. This study compared the fatigue characteristics of fully and partially threaded cannulated screws. Partially and fully threaded 7.3-mm screws were subjected to cyclic loading on a custom testing fixture...
2017: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/28454154/photoacoustic-imaging-of-dental-implants-in-a-porcine-jawbone-ex-vivo
#18
Donghyun Lee, Sungjo Park, Woo-Chang Noh, Jae-Seung Im, Chulhong Kim
Currently, x-ray-based imaging is used before and after the dental implant treatment, but the ionizing radiation is potentially harmful to patients and operators. Here, we demonstrate ex vivo photoacoustic imaging of a dental implant embedded in a porcine jawbone. By layering biological tissue over the jawbone to mimic a clinical environment, we demonstrate 10 mm deep imaging. Our results show that photoacoustic imaging can provide jawbone anatomical information, the location of an embedded implant fixture, and the thickness of the soft tissue above the jawbone...
May 1, 2017: Optics Letters
https://www.readbyqxmd.com/read/28439341/secukinumab-review-of-clinical-evidence-from-the-pivotal-studies-erasure-fixture-and-clear
#19
REVIEW
April W Armstrong, Kim Papp, Leon Kircik
No abstract text is available yet for this article.
June 2016: Journal of Clinical and Aesthetic Dermatology
https://www.readbyqxmd.com/read/28434732/the-effect-of-a-furnished-individual-hutch-pre-weaning-on-calf-behavior-response-to-novelty-and-growth
#20
J A Pempek, M L Eastridge, K L Proudfoot
Housing preweaned dairy calves in individual outdoor hutches is common in North America. However, this type of housing lacks stimulation and minimizes calves' ability to express natural behavior. Providing a social companion has been shown to stimulate natural behavior and promote growth, but no research has assessed the effect of providing physical enrichment items to calves pre-weaning. The objective of this study was to determine calf use of physical items added to an individual hutch, and if providing these items affected growth, behavior (e...
April 20, 2017: Journal of Dairy Science
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