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https://www.readbyqxmd.com/read/28231346/in-vitro-three-dimensional-accuracy-of-digital-implant-impressions-the-effect-of-implant-angulation
#1
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...
February 23, 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
#2
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
#3
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
#4
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
#5
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
#6
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...
February 15, 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
#7
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
https://www.readbyqxmd.com/read/28197397/timing-considerations-on-the-shear-bond-strength-of-orthodontic-brackets-after-topical-fluoride-varnish-applications
#8
Gianguido Cossellu, Valentina Lanteri, Andrea Butera, Nicola Laffi, Alberto Merlini, Giampietro Farronato
OBJECTIVES: To assess the best temporal association between the application of a fluoride varnish on enamel and bonding procedures. MATERIALS AND METHODS: Eighty mandibular bovine incisors were used. Teeth were divided into 4 groups (20 per group); Groups 1-3 were treated with fluoride varnish (Fluor Protector, Ivoclar Vivadent, Schaan, Liechtenstein), and Group 4 served as control with no pretreatment. Tooth were stored in deionized water (37°C) and subjected to thermal cycling for 400 (Group 1), 800 (Group 2), and 2500 (Group 3) cycles corresponding, respectively, to 15, 30, and 90 days in order to simulate the three different timing of bracket bonding...
January 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28195275/bond-strengths-of-orthodontic-metal-brackets-to-tribochemically-silica-coated-zirconia-surfaces-using-different-10-methacryloyloxydecyl-dihydrogen-phosphate-containing-primers
#9
Na-Hyun Kim, Yoon-Ji Kim, Dong-Yul Lee
PURPOSE: To evaluate the effects of tribochemical silica coating and different 10-methacryloyloxydecyl dihydrogen phosphate (MDP)-containing primers on the shear bond strength (SBS) of orthodontic metal brackets to yttrium-stabilized tetragonal zirconia polycrystal (Y-TZP) surfaces. MATERIALS AND METHODS: One hundred ninety polished Y-TZP specimens were randomly assigned to 19 groups (n = 10): 30 specimens were used for surface analyses after polishing with 600-grit silicon carbide paper, airborneparticle abrasion with 50-μm alumina (A), or tribochemical silica coating (CoJet [C]); 160 specimens were used in SBS testing of orthodontic metal brackets to Y-TZP after alumina airborne-particle abrasion or tribochemical silica coating and application of either ESPE-Sil (S) (ASn, ASa, CSn, CSa), Alloy Primer (AP) (AAPn, AAPa, CAPn, CAPa), Clearfil Ceramic Primer (CP) (ACPn, ACPa, CCPn, CCPa), or Scotchbond Universal (U) (AUn, AUa, CUn, CUa) and either stored in water for 24 h (non-aged, n) or thermocycled 5000 times (aged, a)...
February 10, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28194723/teduglutide-a-review-in-short-bowel-syndrome
#10
Esther S Kim, Susan J Keam
Subcutaneous teduglutide (Revestive(®)), a glucagon-like peptide-2 analogue that increases intestinal absorption, is approved in the EU for the treatment of short bowel syndrome (SBS) in patients aged ≥1 year who are stable following a period of postsurgical intestinal adaptation. In a phase III trial in adults with SBS intestinal failure (IF) dependent on parenteral support (PS), a significantly greater proportion of teduglutide 0.05 mg/kg/day than placebo recipients achieved a ≥20% reduction in weekly PS volume from baseline to week 20 and maintained it to week 24...
February 14, 2017: Drugs
https://www.readbyqxmd.com/read/28192609/effect-of-vitamin-d3-fortification-and-saskatoon-berry-syrup-addition-on-the-flavor-profile-acceptability-and-antioxidant-properties-of-rooibos-tea-aspalathus-linearis
#11
Jennifer Grant, Donna Ryland, Cara K Isaak, Suvira Prashar, Yaw L Siow, Carla G Taylor, Michel Aliani
The unique characteristics and healthful reputation of caffeine-free rooibos tea (RT) make it an ideal carrier for vitamin D3 supplementation, and a potential base for the addition of Saskatoon berry syrup (SBS), a natural flavor additive. The objective of this study was to determine the effect of vitamin D3 fortification and SBS addition on the flavor profile, consumer acceptability, and antioxidant properties of RT. Six formulations (RT, RT with SBS, RT with SBS and vitamin D3 , RT with vitamin D3 , green tea [GT], and GT with SBS) were evaluated by 12 trained panelists and 114 consumers...
February 13, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28190552/use-of-balloon-dilatation-for-management-of-postoperative-intestinal-strictures-in-children-with-short-bowel-syndrome
#12
Christina Belza, Kevin Fitzgerald, Joao Amaral, Karen Steinberg, Yaron Avitzur, Paul W Wales
PURPOSE: Children with short bowel syndrome (SBS) often require numerous operations to optimize intestinal function. Postoperative intestinal strictures are a complication that inhibits enteral feeding advancement and prolongs parenteral nutrition dependency, often requiring reoperation. Our objective was to review our experience with fluoroscopic balloon dilatation to treat intestinal strictures. METHODS: A retrospective cohort study of intestinal failure patients with SBS was completed...
January 30, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28185632/risk-factors-and-outcomes-of-tapering-surgery-for-small-intestinal-dilatation-in-pediatric-short-bowel-syndrome
#13
Maria Hukkinen, Reetta Kivisaari, Antti Koivusalo, Mikko P Pakarinen
BACKGROUND: In remains unclear why in some short bowel syndrome (SBS) patients, the remaining small bowel (SB) dilates excessively leading to requirement of tapering surgery. METHODS: Among SBS children, we retrospectively analyzed risk factors for tapering surgery with logistic regression and compared the outcome of operated patients (n=16) to those managed conservatively (n=44) with Cox proportional hazards regression. RESULTS: SBS was caused by necrotizing enterocolitis (NEC) (n=31), SB atresia (SBA) (n=13), midgut volvulus (n=12), or gastroschisis (n=4)...
January 31, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28183617/physical-chemical-and-antimicrobial-evaluation-of-a-composite-material-containing-quaternary-ammonium-salt-for-braces-cementation
#14
Mari Miura Sugii, Fábio Augusto de Souza Ferreira, Karina Cogo Müller, Debora Alves Nunes Leite Lima, Francisco Carlos Groppo, Hidetake Imasato, Ubirajara Pereira Rodrigues-Filho, Flávio Henrique Baggio Aguiar
The antibiofilm effect of iodide quaternary ammonium methacryloxy silicate (IQAMS) in Transbond XT Light Cure Adhesive resin used for braces cementation was evaluated. Fourier Transform Infrared (FTIR) spectroscopy confirmed IQAMS formation and Scanning Electron Microscopy coupled to Energy-Dispersive X-ray Spectroscopy (SEM-EDS) revealed that as coating, the quaternary ammonium groups from IQAMS were homogeneously dispersed throughout the surface. When incorporated, the composite material presented homogeneous dispersion throughout the resin...
April 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28169312/antibacterial-activity-and-bonding-ability-of-an-orthodontic-adhesive-containing-the-antibacterial-monomer-2-methacryloxylethyl-hexadecyl-methyl-ammonium-bromide
#15
Fan Yu, Yan Dong, Hao-Han Yu, Ping-Ting Lin, Ling Zhang, Xiang Sun, Yan Liu, Yu-Ning Xia, Li Huang, Ji-Hua Chen
Irreversible white spot lesion (WSL) occurs in up to 50% of patients during orthodontic treatment. Therefore, orthodontic adhesives need to be able to inhibit or reduce bacterial growth in order to prevent or minimize WSL. This study evaluated the antibacterial effect and shear bond strength (SBS) of a resin-based orthodontic adhesive containing the antibacterial monomer 2-methacryloxylethyl hexadecyl methyl ammonium bromide (MAE-HB). MAE-HB was added at three concentrations (1, 3, and 5 wt%) to a commercial orthodontic adhesive Transbond XT, while the blank control comprised unmodified Transbond XT...
February 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28168562/serial-changes-in-the-three-dimensional-aspect-of-the-side-branch-ostium-jailed-by-a-drug-eluting-stent-assessed-by-optical-coherence-tomography
#16
Takeshi Nakamura, Takayuki Okamura, Tatsuhiro Fujimura, Jutaro Yamada, Tomoko Nao, Hiroki Tateishi, Takao Maeda, Takamasa Oda, Kozo Shiraishi, Tadamitsu Nakashima, Shigehiko Nishimura, Toshiro Miura, Masunori Matsuzaki, Masafumi Yano
The present study investigated serial changes in the three-dimensional (3D) aspect of the jailed side-branch (SB) ostium. We evaluated 32 patients who underwent examination with optical coherence tomography (OCT) both at baseline and at follow-up. After reconstruction of the 3D images, we classified the configuration of overhanging struts at the SB orifice into three groups according to the 3D aspect of the jailing configuration. The number of compartments divided by the stent strut was counted. The side-branch flow area (SBFA), i...
February 6, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28161990/individual-and-school-level-factors-related-to-school-based-salad-bar-use-among-children-and-adolescents
#17
Lori Andersen Spruance, Leann Myers, Keelia O'Malley, Donald Rose, Carolyn C Johnson
BACKGROUND: Consumption levels of fruits and vegetables (F/V) among children/adolescents are low. Programs like school-based salad bars (SB) provide children/adolescents increased F/V access. AIMS: The purpose of this study was to examine the relationship between SB use and individual and school-level factors among elementary and secondary school students in New Orleans public schools. METHOD: Twelve schools receiving SB units from the Let's Move Salad Bars to Schools Campaign participated in this study...
February 1, 2017: Health Education & Behavior: the Official Publication of the Society for Public Health Education
https://www.readbyqxmd.com/read/28157874/1-6%C3%A2-%C3%A2-kw-yb-fiber-amplifier-using-chirped-seed-amplification-for-stimulated-brillouin-scattering-suppression
#18
Jeffrey O White, Mark Harfouche, John Edgecumbe, Naresh Satyan, George Rakuljic, Vijay Jayaraman, Christopher Burgner, Amnon Yariv
In a high power fiber amplifier, a frequency-chirped seed interrupts the coherent interaction between the laser and Stokes waves, raising the threshold for stimulated Brillouin scattering (SBS). Moving the external mirror of a vertical cavity surface-emitting diode laser 0.2 μm in 10 μs can yield a frequency chirp of 5×10<sup>17</sup>  Hz/s at a nearly constant output power. Opto-electronic feedback loops can linearize the chirp, and stabilize the output power. The linear variation of phase with time allows multiple amplifiers to be coherently combined using a frequency shifter to compensate for static and dynamic path length differences...
January 20, 2017: Applied Optics
https://www.readbyqxmd.com/read/28149211/biomechanical-comparison-of-suture-button-suspensionplasty-and-lrti-for-basilar-thumb-arthritis
#19
Mihir J Desai, David M Brogan, Marc J Richard, Suhail K Mithani, Fraser J Leversedge, David S Ruch
Background: The purpose of this study was to compare the initial biomechanical strength of trapeziectomy and suture-button suspensionplasty (SBS) with ligament reconstruction and tendon interposition (LRTI) for thumb carpometacarpal (CMC) arthritis in a cadaveric model. Methods: Eight matched pairs of below-elbow cadaveric arms were used for this study. Each specimen was randomly assigned to either receive a trapeziectomy and LRTI (LRTI group) or trapeziectomy and SBS (SBS group). Using previously described and validated testing protocols, physiological key pinch was simulated...
December 2016: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28147371/crohn-s-disease-and-intestinal-transplantation
#20
Pavel Drastich, Martin Oliverius
BACKGROUND: Most patients with Crohn's disease (CD) require one or more operations during their lifetime. Repeated resections and surgical complications may result in short gut in a subset of patients, typically those with extensive small bowel disease or a penetrating CD phenotype. The effects of short bowel syndrome (SBS) can range in seriousness from mild to life-threatening advanced intestinal failure. Worldwide, CD is the second leading indication for intestinal transplantation (ITx) in SBS, but the overall incidence of ITx is quite low...
2017: Digestive Diseases
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