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https://www.readbyqxmd.com/read/29031127/patients-perceptions-and-experiences-of-living-with-a-surgical-wound-healing-by-secondary-intention-a-qualitative-study
#1
Dorothy McCaughan, Laura Sheard, Nicky Cullum, Jo Dumville, Ian Chetter
BACKGROUND: Most surgical wounds heal by primary intention, that is to say, the edges of the wound are brought together with sutures, staples, adhesive glue or clips. However, some wounds may be left open to heal (if there is a risk of infection, or if there has been significant tissue loss), and are known as 'surgical wounds healing by secondary intention'. They are estimated to comprise approximately 28% of all surgical wounds and are frequently complex to manage. However, they are under researched and little is known of their impact on patients' lives...
September 28, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/29028278/functional-variants-in-intercellular-adhesion-molecule-1-and-toll-like-receptor-4-genes-are-more-frequent-in-children-with-febrile-urinary-tract-infection-with-renal-parenchymal-involvement
#2
Almontaser Hussein, Khaled Saad, Eman Askar, Asmaa M Zahran, Hekma Farghaly, Kotb Metwalley, Ahmad A Elderwy
AIM: We studied the functional polymorphisms of intercellular adhesion molecule-1 and toll-like receptor-4 genes and risk of acute pyelonephritis in children attending Assiut University Children's Hospitals, Egypt from 2011 to 2015. METHODS: Urinary tract infections (UTIs) were diagnosed in 380 children: 98 had acute pyelonephritis and 282 had lower UTIs. Four single-nucleotide polymorphisms in intercellular adhesion molecule-1 and toll-like receptor-4 genes were genotyped in all subjects: ICAM-1 rs1799969 Gly241Arg, ICAM-1 rs5498 Glu469Lys, TLR-4 rs4896791 Thr399Ile and TLR-4 rs4896790 Asp299Gly...
October 13, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/29027051/cell-response-of-flexible-pmma-derivatives-supremacy-of-surface-chemistry-over-substrate-stiffness
#3
Elke Van De Walle, Ine Van Nieuwenhove, Winnok De Vos, Heidi Declercq, Peter Dubruel, Sandra Van Vlierberghe
The present work reports on the development of a range of poly(methyl methacrylate)/poly(ethylene glycol) (PMMAPEG)-based materials, characterized by different elasticity moduli in order to study the influence of the substrate's mechanical properties on the response of human umbilical vein endothelial cells (HUVECs). To render the selected materials cell-interactive, a polydopamine (PDA)/gelatin type B (Gel B) coating was applied. Prior to the in vitro assay, the success of the PDA and Gel B immobilization onto the materials was confirmed using X-ray photoelectron spectroscopy (XPS) as reflected by the nitrogen percentages measured for the materials after PDA and Gel B deposition...
October 12, 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28989124/comparison-of-shear-bond-strengths-of-conventional-resin-cement-and-self-adhesive-resin-cement-bonded-to-lithium-disilicate-an-in-vitro-study
#4
Anip K Roy, Dennis Mohan, M Sunith, Rashmi B Mandokar, S Suprasidh, Soumya Rajan
AIM: The aim of this study is to compare the shear bond strengths of conventional resin cement and self-adhesive resin cement bonded to lithium disilicate. MATERIALS AND METHODS: A total of 40 extracted human molar teeth were mounted in self-cure acrylic resin. Teeth were prepared to obtain flat occlusal surface. About 40 lithium disilicate specimens of dimension-10 mm in diameter and thickness of 2 mm-were fabricated using lost wax technique. The samples were divided into four groups: Groups I, II, III, and IV (n = 10)...
October 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28989121/protective-effect-of-adhesive-systems-associated-with-neodymium-doped-yttrium-aluminum-garnet-laser-on-enamel-erosive-abrasive-wear
#5
Erica Crastechini, Alessandra B Borges, Klaus Becker, Thomas Attin, Carlos Rg Torres
AIM: This study evaluated the efficacy of self-etching adhesive systems associated or not associated with the neodymium-doped yttrium aluminum garnet (Nd:YAG) laser on the protection against enamel erosive/abrasive wear. MATERIALS AND METHODS: Bovine enamel specimens were demineralized with 0.3% citric acid (5 minutes). The samples were randomly assigned to eight groups (n = 20): SB - Single Bond Universal (3M/ESPE); SB+L - Single Bond Universal + laser (80 mJ/10 Hz); FB - Futurabond U (Voco); FB+L -Futurabond U + laser; GEN - G-aenial bond (GC); GEN+L -G-aenial bond + laser; L - laser irradiation; and C - no treatment...
October 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28988143/fatigue-failure-load-of-zirconia-reinforced-lithium-silicate-glass-ceramic-cemented-to-a-dentin-analogue-effect-of-etching-time-and-hydrofluoric-acid-concentration
#6
Jaiane Bandoli Monteiro, Marcelo Gallo Oliani, Luis Felipe Guilardi, Catina Prochnow, Gabriel Kalil Rocha Pereira, Marco Antonio Bottino, Renata Marques de Melo, Luiz Felipe Valandro
This study aimed to evaluate the effect of etching time and hydrofluoric acid (HF) concentration on the fatigue failure load and surface characteristics of zirconia-reinforced lithium silicate glass (ZLS) ceramic cemented to a dentin-like, fiber reinforced epoxy resin. Ceramic (Suprinity, VITA) (1.0mm thick) and epoxy resin (2.5mm thick) discs (10mm diameter) were produced. The bonding surface of the ceramic samples was nonetched (control group), or etched for 30, 60 or 90s by 5% or 10% HF. The epoxy resin discs were etched by 10% HF for 30s followed by the application of an adhesive material (Single Bond Universal, 3M ESPE)...
September 23, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28985446/preparation-ferrule-design-effect-on-endocrown-failure-resistance
#7
Michael Einhorn, Nicholas DuVall, Michael Wajdowicz, John Brewster, Howard Roberts
PURPOSE: To evaluate the effect of preparation ferrule inclusion with fracture resistance of mandibular molar endocrowns. MATERIALS AND METHODS: Recently extracted mandibular third molars were randomly divided into 3 groups (n = 12) with the coronal tooth structure removed perpendicular to the root long axis approximately 2 mm above the cemento-enamel junction with a slow-speed diamond saw. The pulp chamber was exposed using a diamond bur in a high-speed handpiece with pulpal remnants removed and canals instrumented using endodontic hand instruments...
October 6, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28983535/new-adhesives-and-bonding-techniques-why-and-when
#8
Nicola Scotti, Giovanni Cavalli, Massimo Gagliani, Lorenzo Breschi
Nowadays, adhesive dentistry is a fundamental part of daily clinical work. The evolution of adhesive materials and techniques has been based on the need for simplicity in the step-by-step procedures to obtain long-lasting direct and indirect restorations. For this reason, recently introduced universal multimode adhesives represent a simple option for creating a hybrid layer, with or without the use of phosphoric acid application. However, it is important to understand the limitations of this latest generation of adhesive systems as well as how to use them on coronal and radicular dentin...
2017: International Journal of Esthetic Dentistry
https://www.readbyqxmd.com/read/28979732/comparison-of-the-shear-bond-strength-of-self-adhesive-resin-cements-to-enamel-and-dentin-with-different-protocol-of-application
#9
Mohammad Javad Moghaddas, Zahra Hossainipour, Sara Majidinia, Najmeh Ojrati
AIM: The aim of the present study was to determine the shear bond strength of self-adhesive resin cements to enamel and dentin with and without surface treatments, and compare them with conventional resin cement as the control group. METHODS: In this experimental study, buccal and lingual surface of the thirty sound human premolars were polished in order to obtain a flat surface of enamel (E) in buccal, and dentin (D) in lingual. Sixty feldspathic ceramic blocks (2×3×3 mm) were prepared and randomly divided into six groups (n=10)...
August 2017: Electronic Physician
https://www.readbyqxmd.com/read/28978451/cellular-contraction-can-drive-rapid-epithelial-flows
#10
Dhruv K Vig, Alex E Hamby, Charles W Wolgemuth
Single, isolated epithelial cells move randomly; however, during wound healing, organism development, cancer metastasis, and many other multicellular phenomena, motile cells group into a collective and migrate persistently in a directed manner. Recent work has examined the physics and biochemistry that coordinates the motions of these groups of cells. Of late, two mechanisms have been touted as being crucial to the physics of these systems: leader cells and jamming. However, the actual importance of these to collective migration remains circumstantial...
October 3, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28976848/effect-of-oxygen-inhibition-layer-of-universal-adhesives-on-enamel-bond-fatigue-durability-and-interfacial-characteristics-with-different-etching-modes
#11
H Ouchi, A Tsujimoto, K Nojiri, K Hirai, T Takamizawa, W W Barkmeier, M A Latta, M Miyazaki
OBJECTIVE: The purpose of this study was to evaluate the effect of the oxygen inhibition layer of universal adhesive on enamel bond fatigue durability and interfacial characteristics with different etching modes. METHODS: The three universal adhesives used were Scotchbond Universal Adhesive (3M ESPE, St Paul, MN, USA), Adhese Universal (Ivoclar Vivadent, Schaan, Lichtenstein), and G-Premio Bond (GC, Tokyo, Japan). The initial shear bond strength and shear fatigue strength to enamel was determined in the presence and absence of the oxygen inhibition layer, with and without phosphoric acid pre-etching...
October 4, 2017: Operative Dentistry
https://www.readbyqxmd.com/read/28976807/hybrid-single-incision-laparoscopic-colon-cancer-surgery-using-one-additional-5%C3%A2-mm-trocar
#12
Hyung Ook Kim, Dae Jin Choi, Donghyoun Lee, Sung Ryol Lee, Kyung Uk Jung, Hungdai Kim, Ho-Kyung Chun
BACKGROUND: Single-incision laparoscopic surgery (SILS) is a feasible and safe procedure for colorectal cancer. However, SILS has some technical limitations such as collision between instruments and inadequate countertraction. We present a hybrid single-incision laparoscopic surgery (hybrid SILS) technique for colon cancer that involves use of one additional 5 mm trocar. METHODS: Hybrid SILS for colon cancer was attempted in 70 consecutive patients by a single surgeon between August 2014 and July 2016 at Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine...
October 4, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28969271/evaluation-of-effect-of-zirconia-surface-treatment-using-plasma-of-argon-and-silane-on-the-shear-bond-strength-of-two-composite-resin-cements
#13
Aswathy Kaimal, Poojya Ramdev, C S Shruthi
INTRODUCTION: Yttria stabilised tetragonal zirconia opens new vistas for all ceramic restoration by the mechanism of transformation toughening, making it much stronger compared to all other ceramic materials. Currently, it is the most recent core material for all ceramic fixed partial dentures due to its ability to withstand high simulated masticatory loads. Problems which have been reported with zirconia restorations involve the core cement interface leading to loss of retention of the prosthesis...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28967403/effect-of-universal-adhesive-etching-modes-on-bond-strength-to-dual-polymerizing-composite-resins
#14
Pierre-Luc Michaud, Matthew Brown
STATEMENT OF PROBLEM: Information is lacking as to the effect on bond strength of the etching modes of universal adhesives when they are used to bond dual-polymerizing composite resins to dentin. PURPOSE: The purpose of this in vitro study was to investigate the bonding of dual-polymerizing foundation composite resins to dentin when universal bonding agents are used in self-etch or etch-and-rinse modes. MATERIAL AND METHODS: Sixty caries-free, extracted third molar teeth were sectioned transversely in the apical third of the crown and allocated to 12 groups (n=5)...
September 26, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28967396/effect-of-saliva-contamination-and-artificial-aging-on-different-primer-cement-systems-bonded-to-zirconia
#15
João Pitta, Teresa C Branco, Jaime Portugal
STATEMENT OF PROBLEM: Saliva contamination has been shown to decrease bonding to zirconia. Adopting a less contamination-sensitive cement system may be an alternative to decontamination. PURPOSE: The purpose of this in vitro study was to assess the ability of different primer/cement systems to promote a durable bond to zirconia after saliva contamination. MATERIAL AND METHODS: Zirconia blocks (Lava Plus) (N=320) were airborne-particle abraded (50 μm Al2O3) and divided into 32 experimental groups (n=10) according to the variables in the study: saliva contamination; primer/cement system (Panavia SA [PSA]; RelyX Unicem 2 [RU2]; Bifix SE [BSE]; Panavia F2...
September 27, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28967395/simplified-cementation-of-lithium-disilicate-crowns-retention-with-various-adhesive-resin-cement-combinations
#16
Glen H Johnson, Xavier Lepe, Amanda Patterson, Oliver Schäfer
STATEMENT OF PROBLEM: A composite resin cement and matching self-etch adhesive was developed to simplify the dependable retention of lithium disilicate crowns. The efficacy of this new system is unknown. PURPOSE: The purpose of this in vitro study was to determine whether lithium disilicate crowns cemented with a new composite resin and adhesive system and 2 other popular systems provide clinically acceptable crown retention after long-term aging with monthly thermocycling...
September 27, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28965678/evaluation-of-fracture-resistance-of-inlay-retained-fixed-partial-dentures-fabricated-with-different-monolithic-zirconia-materials
#17
Hilal Siriner Gumus, Nilufer Tulin Polat, Guler Yildirim
STATEMENT OF PROBLEM: Data are lacking on the fracture resistance of monolithic zirconia inlay-retained fixed partial dentures as a conservative treatment for a single missing tooth. PURPOSE: The purpose of this in vitro study was to evaluate the fracture resistance of inlay-retained fixed partial dentures produced from 3 different monolithic zirconia materials and based on 2 preparation types and applications with and without thermocycling. MATERIAL AND METHODS: A model with missing right and left mandibular first molars was used for different cavity preparations...
September 29, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28963604/understanding-the-weekend-effect-for-emergency-general-surgery
#18
Richard S Hoehn, Derek E Go, Vikrom K Dhar, Young Kim, Dennis J Hanseman, Koffi Wima, Shimul A Shah
BACKGROUND: Several studies have identified a "weekend effect" for surgical outcomes, but definitions vary and the cause is unclear. Our aim was to better characterize the weekend effect for emergency general surgery using mortality as a primary endpoint. METHODS: Using data from the University HealthSystem Consortium from 2009 to 2013, we identified urgent/emergent hospital admissions for seven procedures representing 80% of the national burden of emergency general surgery...
September 29, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28962842/effect-of-dentin-roughness-on-the-adhesive-performance-in-non-carious-cervical-lesions-a-double-blind-randomized-clinical-trial
#19
Alessandro D Loguercio, Issis Virginia Luque-Martinez, S Fuentes, Alessandra Reis, Miguel Angel Muñoz
OBJECTIVE: This double-blind randomized clinical trial evaluates the influence of dentin roughening (RO) on the clinical behavior of a new universal multi-mode adhesive (Tetric N-Bond Universal; Ivoclar-Vivadent) applied as self-etch and as etch-and-rinse in non-carious cervical lesions (NCCLs). METHODS: A total of 192 restorations were randomly placed in 48 patients according to the following groups: ER - Etch-and-rinse (no preparation); SE - self-etch (no preparation); ER+RO and; SE+RO...
September 26, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28954990/risk-factors-for-an-additional-port-in-single-incision-laparoscopic-cholecystectomy-in-patients-with-cholecystitis
#20
Kenichiro Araki, Ken Shirabe, Akira Watanabe, Norio Kubo, Shigeru Sasaki, Hideki Suzuki, Takayuki Asao, Hiroyuki Kuwano
Although single-incision laparoscopic cholecystectomy is now widely performed in patients with cholecystitis, some cases require an additional port to complete the procedure. In this study, we focused on risk factor of additional port in this surgery. We performed single-incision cholecystectomy in 75 patients with acute cholecystitis or after cholecystitis between 2010 and 2014 at Gunma University Hospital. Surgical indications followed the TG13 guidelines. Our standard procedure for single-incision cholecystectomy routinely uses two needlescopic devices...
2017: Journal of Medical Investigation: JMI
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