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https://www.readbyqxmd.com/read/28345241/the-new-swedish-report-on-shaken-baby-syndrome-is-misleading
#1
Kerstin Hellgren, Ann Hellström, Anna-Lena Hård, Lena Jacobson, Ulrika Lidén, Stefan Löfgren, Kristina Teär Fahnehjelm, Jan Ygge
In this issue of Acta Paediatrica, Professor Alex Levin, Director of the Pediatric Ophthalmology and Strabismus Service at Wills Eye Hospital, (PA, USA), expresses relevant concerns (1) about a report produced by the Swedish Agency for Technology Assessment of Health and Social Services (SBU) (2) and summarized in a paper by Lynøe et al (3). He also provides necessary input on the importance of the morphology and distribution of retinal hemorrhages in diagnosing different causes of retinal bleedings. SBU undertakes independent assessments of methods used in health, medical, dental and social services and services provided to persons with certain functional disabilities...
March 27, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28343660/a-pilot-study-of-ultrasound-elastography-as-a-non-invasive-method-to-monitor-liver-disease-in-children-with-short-bowel-syndrome
#2
Daniel Lodwick, Molly Dienhart, Jennifer N Cooper, Bonita Fung, Joseph Lopez, Sally Smith, Patrick Warren, Jane Balint, Peter C Minneci
BACKGROUND: Our objective was to evaluate the accuracy of acoustic radiation force impulse (ARFI) elastography in determining extent of liver fibrosis in pediatric patients with short bowel syndrome (SBS). METHODS: This prospective cohort study included pediatric patients with SBS who underwent ultrasound with ARFI measurements of shear wave speed (SWS) and liver biopsy within 30days of each other between 12/2014-9/2015. The mean and median SWS were compared to the stage of fibrosis...
March 16, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28327437/evaluating-the-effect-of-antioxidant-agents-on-shear-bond-strength-of-tooth-colored-restorative-materials-after-bleaching-a-systematic-review
#3
REVIEW
Atiyeh Feiz, Hamid Mosleh, Rahman Nazeri
PURPOSE: The main objective of the present study was to make a systematic review of how antioxidant agents affect shear bond strength of tooth-colored restorative materials after bleaching. DATA SOURCES: Electronic search was used to extract the related articles on the targeted key words such as "antioxidant", "dental bleaching" and "shear bond strength" (SBS) from MeSH, PubMed, Medline, and Cochrane electronic data bases. These articles were all published before 2016...
March 10, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28326726/-effects-of-different-surface-modifications-on-micro-structure-and-adhesion-of-zirconia-ceramic-an-in-vitro-study
#4
Li Siwen, Li Shishi, Wang Yanhong, Ma Hongmei
OBJECTIVE: This study evaluated the effect of different mechanical-chemical surface treatments on the characteristics, microstructure, and composition of zirconia ceramics and on the zirconia-dentin adhesion. METHODS: The sintered commercial zirconia blocks (IPS e.max ZirCAD) were sectioned into 126 beams (6 mm×6 mm×5 mm) and randomly assigned to seven experimental groups (n=18). The zirconia block specimens were further treated as follows: (A) untreated, as control; (B) sandblasted with 50 μm Al2O3; (C) sandblasted with 50 μm Al2O3+30 μm silica powder; (D) sandblasted with 50 μm Al2O3+30% silica-sol coating; (E) sandblasted with 110 μm Al2O3; (F) sandblasted with 110 μm Al2O3+30 μm silica powder; and (G) sandblasted with 110 μm Al2O3+30% silica-sol coating...
February 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28322554/schottky-barriers-in-bilayer-phosphorene-transistors
#5
Yuanyuan Pan, Yang Dan, Yangyang Wang, Meng Ye, Han Zhang, Ruge Quhe, Xiuying Zhang, Jingzhen Li, Wanlin Guo, Li Yang, Jing Lu
It is unreliable to evaluate the Schottky barrier height (SBH) in monolayer (ML) 2D material field effect transistors (FETs) with strongly interacted electrode from the work function approximation (WFA) because of existence of the Fermi-level pinning. Here, we report the first systematical study of bilayer (BL) phosphorene FETs in contact with a series of metals with a wide work function range ( Al, Ag, Cu, Au, Cr, Ti, Ni, and Pd) by using both ab initio electronic band calculations and quantum transport simulation (QTS)...
March 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28314922/identification-of-a-novel-copper-activated-and-halide-tolerant-laccase-in-geobacillus-thermopakistaniensis
#6
Saadia Basheer, Naeem Rashid, Raza Ashraf, Muhammad Sohail Akram, Masood Ahmed Siddiqui, Tadayuki Imanaka, Muhammad Akhtar
Genome search of Geobacillus thermopakistaniensis, formerly Geobacillus sp. SBS-4S, revealed the presence of an open reading frame (ESU71923) annotated as laccase. However, the gene product did not display any laccase-like activity against the substrates examined. The laccase activity was, therefore, purified from G. thermopakistaniensis cells and N-terminal amino acid residues of the enzyme were determined. These residues matched the N-terminal sequence of an open reading frame annotated as a copper oxidase (ESU72270)...
March 17, 2017: Extremophiles: Life Under Extreme Conditions
https://www.readbyqxmd.com/read/28298988/bond-strength-of-dental-nanocomposites-repaired-with-a-bulkfill-composite
#7
Uzay Koç-Vural, Leyla Kerimova, İsmail H Baltacioglu, Arlin Kiremitçi
BACKGROUND: The aim of this study was to analyze the bond strength of aged resin based nanocomposites repaired with the same and bulk fill composites. MATERIAL AND METHODS: Seventy-two disc shaped resin composites consisted of three different nanocomposite resins (Filtek Ultimate/FU, Herculite XRV Ultra/HXRV, and Reflectys/R) were produced. After storing the samples for 8 weeks in distilled water, each material was combined with the same material or the bulk-fill composite resin system (Filtek Ultimate+Filtek Ultimate/Group-1; Filtek Ultimate+Tetric BF/Group-2; Herculite XRV+Herculite XRV/Group-3; Herculite XRV+Tetric BF/ Group-4; Reflectys+Reflectys/Group 5; Reflectys+Tetric BF/Group-6), for repair...
March 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28293969/teduglutide-for-treatment-of-adult-patients-with-short-bowel-syndrome
#8
Lore Billiauws, Julie Bataille, Vanessa Boehm, Olivier Corcos, Francisca Joly
The European Society for Clinical Nutrition has published recommendations on the "definition and classification of intestinal failure (IF)". Two criteria must be present: a "decreased absorption of macronutrients and/or water and electrolytes due to a loss of gut function" and the "need for parenteral support". Home parenteral support (HPS) is the primary treatment for chronic IF but is associated with complications. Areas covered: The principal cause of chronic IF is short bowel syndrome (SBS). The aim of treatment is to maximize intestinal absorption and reduce or eliminate the need for HPS to achieve the best possible quality of life...
March 15, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28280997/shear-bond-wettability-and-afm-evaluations-on-co2-laser-irradiated-cad-cam-ceramic-surfaces
#9
Ahmed El Gamal, Etienne Medioni, Jean Paul Rocca, Carlo Fornaini, Omid H Muhammad, Nathalie Brulat-Bouchard
The purpose of this study is to determine the CO2 laser irradiation in comparison with sandblasting (Sb), hydrofluoric acid (Hf) and silane coupling agent (Si) on shear bond strength (SBS), roughness (Rg) and wettability (Wt) of resin cement to CAD/CAM ceramics. Sixty (CAD/CAM) ceramic discs were prepared and distributed into six different groups: group A, control lithium disilicate (Li); group B, control zirconia (Zr); group C, Li: CO2/HF/Si; group D, Li: HF/Si; group E, Zr: CO2/Sb/Si; group F, Zr: Sb/Si. Result showed significant difference between irradiated and non-irradiated in terms of shear bond strength for zirconia ceramics (p value = 0...
March 9, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28267037/intravenous-lipid-emulsions-in-pediatric-patients-with-intestinal-failure
#10
Olivier Goulet, Cécile Lambe
The incidence of cholestatic liver disease (CLD) in pediatric patients suffering intestinal failure (IF) is not well established. Due to persistent portal inflammation, about 20% of these patients will progress to end-stage intestinal failure associated liver disease (IFALD) leading to liver transplant or death. PURPOSE OF REVIEW: Premature babies as well as infants with short bowel syndrome (SBS) and repeated sepsis (catheter or small intestinal bacterial overgrowth related) are at risk of developing CLD...
April 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28258261/evaluating-various-preparation-protocols-on-the-shear-bond-strength-of-repaired-composite
#11
Ayah A Al-Asmar, Khaled S Hatamleh, Muhanad Hatamleh, Mohammad Al-Rabab'ah
INTRODUCTION: The aim of this study is to evaluate the effect of different combinations of various surface treatments on the shear bond strength (SBS) of repaired composite resin. MATERIALS AND METHODS: A total of 122 composite samples were prepared from Filtek Z350 XT. Samples were light cured and stored for 6 weeks. Surface treatment of old composite was done in five groups: Group I: bur roughening + phosphoric acid etching, group II: bur roughening + hydrofluoric acid etching + silane coupling agent, group II: air abrasion + phosphoric acid etching, group IV: air abrasion + phosphoric acid etching + silane coupling agent, group V: air abrasion + hydrofluoric acid etching + silane coupling agent...
March 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28248335/external-cavity-lasing-pumped-stimulated-brillouin-scattering-in-a-high-q-microcavity
#12
Kaijun Che, Deyu Tang, Changlei Guo, Huiying Xu, Changyan Ren, Pan Zhang, Shuisen Jiang, Lujian Chen, Dan Zhang, Zhiping Cai
Stimulated Brillouin scattering (SBS) in a microcavity is usually realized by employing a wavelength tunable external cavity diode laser (TECDL) as the pump source. In this Letter, we report the observation of SBS in a high Q microcavity based on a TECDL-free scheme. The microcavity is employed as a mode-reflecting mirror for constructing a fiber-ring laser and, simultaneously, pumped by the fiber-ring lasing with intrinsic resonance latching. Several regimes are observed in a microcavity with a diameter of ∼215  μm, such as single lasing pumped SBS and multiple regular lasing pumped SBSs (single or cascaded)...
March 1, 2017: Optics Letters
https://www.readbyqxmd.com/read/28243304/comparison-of-bond-strength-of-metal-and-ceramic-brackets-bonded-with-conventional-and-high-power-led-light-curing-units
#13
Javad Chalipa, Yasamin Farajzadeh Jalali, Fatemeh Gorjizadeh, Pedram Baghaeian, Mohammad Hashem Hoseini, Omid Mortezai
OBJECTIVES: The aim of this study was to evaluate the effect of conventional and high-power light emitting diode (LED) light curing units on shear bond strength (SBS) of metal and ceramic brackets to tooth surface. MATERIALS AND METHODS: Forty sound bovine maxillary central incisors were used for the study. The teeth were divided into four groups (n=10). Teeth surfaces were etched with 37% phosphoric acid for 20 seconds. After applying a uniform layer of adhesive primer on the etched enamel, composite was placed on the base of brackets...
November 2016: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/28231346/in-vitro-three-dimensional-accuracy-of-digital-implant-impressions-the-effect-of-implant-angulation
#14
Vanessa A Chia, Roxanna J Esguerra, Khim Hean Teoh, Juin Wei Teo, Keng Mun Wong, Keson B Tan
PURPOSE: To compare the three-dimensional (3D) accuracy of conventional impressions (CIs) with digital scans (DSs) using an intraoral scanner (IOS) with intraoral scan bodies (SBs) and varying buccolingual interimplant angulations. A secondary aim was to measure the SB machining tolerance and height with and without application of torque. MATERIALS AND METHODS: Three master models (MMs) with two implants simulating an implant-supported three-unit fixed partial denture for bone-level implants were used...
March 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28230078/unravelling-the-metabolic-impact-of-sbs-associated-microbial-dysbiosis-insights-from-the-piglet-short-bowel-syndrome-model
#15
Prue M Pereira-Fantini, Sean G Byars, James Pitt, Susan Lapthorne, Fiona Fouhy, Paul D Cotter, Julie E Bines
Liver disease is a major source of morbidity and mortality in children with short bowel syndrome (SBS). SBS-associated microbial dysbiosis has recently been implicated in the development of SBS-associated liver disease (SBS-ALD), however the pathological implications of this association have not been explored. In this study high-throughput sequencing of colonic content from the well-validated piglet SBS-ALD model was examined to determine alterations in microbial communities, and concurrent metabolic alterations identified in urine samples via targeted mass spectrometry approaches (GC-MS, LC-MS, FIA-MS) further uncovered impacts of microbial disturbance on metabolic outcomes in SBS-ALD...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211711/impact-of-laser-beam-speckle-structure-on-crossed-beam-energy-transfer-via-beam-deflections-and-ponderomotive-self-focusing
#16
G Raj, S Hüller
The role of laser speckle structure (hot spots) and its ponderomotive self-focusing (PSF), in crossed beam energy transfer (CBET), of smoothed laser beams is investigated in an inhomogeneous expanding plasma. Numerical simulations using the code harmony in two spatial dimensions, demonstrate how self-focusing of laser hot spots in crossed beams can significantly affect the transfer of energy from one beam to the other in addition to the stimulated Brillouin scattering (SBS) process. It is shown that for sufficiently intense laser beams, when the laser hot spots exceed the criterion for self-focusing in a plasma with flow, the angular spread of transmitted light beams increases considerably with the intensity, which arises in particular, in expanding plasma where significant beam deflection is observed...
February 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28209957/-the-role-of-small-intestine-length-in-the-development-of-short-bowel-syndrome
#17
R R Khasanov, A A Gumerov, L M Vessel
AIM: To define the the role of small bowel length in development of SBS. MATERIAL AND METHODS: Seventeen patients with SBS after small bowel resection in neonatal period were included into the study. Total small bowel length ranged from 5 to 55 cm (11.8±5.59% from normal length for certain age). RESULTS: Described small bowel length has high risk of SBS/IF development irrespective to other factors (specific segment of small bowel that was resected, preserved intestinal segment state, absence of colon and/or ileocecal valve)...
2017: Khirurgiia
https://www.readbyqxmd.com/read/28208997/comparison-of-self-etch-primers-with-conventional-acid-etching-system-on-orthodontic-brackets
#18
Amit Zope, Yogita Zope-Khalekar, Shrikant S Chitko, Veerendra V Kerudi, Harshal Ashok Patil, Prasad Vasudeo Bonde, Pratik Jaltare, Siddhesh G Dolas
INTRODUCTION: The self-etching primer system consists of etchant and primer dispersed in a single unit. The etching and priming are merged as a single step leading to fewer stages in bonding procedure and reduction in the number of steps that also reduces the chance of introduction of error, resulting in saving time for the clinician. It also results in smaller extent of enamel decalcification. AIM: To compare the Shear Bond Strength (SBS) of orthodontic bracket bonded with Self-Etch Primers (SEP) and conventional acid etching system and to study the surface appearance of teeth after debonding; etching with conventional acid etch and self-etch priming, using stereomicroscope...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28199026/secure-base-script-content-explains-the-association-between-attachment-avoidance-and-emotion-related-constructs-in-parents-of-young-children
#19
Jessica L Borelli, Margaret L Burkhart, Hannah F Rasmussen, Robin Brody, David A Sbarra
The secure base script (SBS) framework is one method of assessing implicit internal working models of attachment; recently, researchers have applied this method to analyze narratives regarding relationship experiences. This study examines the associations between attachment avoidance and SBS content when parents recall a positive moment of connection between themselves and their children (relational savoring) as well as their association with parental emotion and reflective functioning (RF). Using a sample of parents (N = 155, 92% female) of young children (53% boys, Mage = 12...
March 2017: Infant Mental Health Journal
https://www.readbyqxmd.com/read/28197398/efficacy-of-quercetin-flavonoid-in-recovering-the-postbleaching-bond-strength-of-orthodontic-brackets-a-preliminary-study
#20
Mana Shamsedin, Valiollah Arash, Masoud Babaei Jahromi, Ali Akbar Moghadamnia, Manouchehr Rahmati Kamel, Fariba Ezoji, Ali Bijani, Samira Kavoli, Tania Ghasemi, Gholamhossein Ramezani
OBJECTIVES: To evaluate comparatively the effect of quercetin on postbleaching shear bond strength (SBS) and adhesive remnant index (ARI). MATERIALS AND METHODS: Intact maxillary premolars were divided randomly into 12 groups of 10 each: (1) bonding the bracket immediately after bleaching, (2) bonding 1 week after bleaching, (3-8) application of three experimental concentrations of quercetin (0.1%, 0.5%, and 1%) at two time durations (5 and 10 min), (9-10) application of the solvent of quercetin at two time periods (5 and 10 min), (11) application of 10% sodium ascorbate for 10 min, and (12) bonding the brackets on nonbleached teeth...
January 2017: Journal of Orthodontic Science
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