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https://www.readbyqxmd.com/read/28729803/anterosuperior-rehabilitation-with-metal-free-fixed-prosthesis-based-on-zirconia
#1
Sthelen Nayara Cenci, Igor Alessandro Gontarsky, Marcella Goetz Moro, Lidia Olga Bach Pinheiro, Adriana Postiglione Bührer Samra
The loss of upper front dental elements causes functional and psychosocial problems to the affected individuals. In this case report, the treatment planning considered hard and soft tissue loss for a complex fixed partial denture (FPD) rehabilitation. The six-element, all-ceramic FPD was manufactured using a computer-aided design/computer-aided manufacturing system with zirconia framework, veneered with leucite-reinforced ceramic. Ceramic artificial gum was also produced to guarantee tooth-facial proportions as well as lip support, promoting both esthetics and phonetics...
April 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28729794/assessment-of-resin-dentin-interfacial-morphology-of-two-ethanol-based-universal-adhesives-a-scanning-electron-microscopy-study
#2
Mohamed Moustafa Awad
OBJECTIVE: The objective of this study was to assess the resin-dentin interfacial morphology created by two universal adhesives using scanning electron microscopy (SEM). MATERIALS AND METHODS: The occlusal surfaces of ten (n = 5) molars were reduced to expose a flat surface of dentin. Two universal adhesives, Scotchbond Universal Adhesive and Tetric N-Bond Universal, were independently applied to air-dried dentin. Light-cured resin-based composite restorative materials were used to incrementally build a composite "buildup...
April 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28717632/effect-of-different-intracoronal-bleaching-methods-on-shear-bond-strength-of-ceramic-brackets-bonded-to-bleached-enamel-an-in-vitro-study
#3
Vikas Chauhan, Piush Kumar, Payal Sharma, Divya Shetty
OBJECTIVE: To investigate the effect of different intracoronal bleaching methods on the shear bond strength and site of failure of ceramic brackets. MATERIALS AND METHODS: Sixty freshly extracted human maxillary incisors were randomly divided into four groups (n = 15). Endodontic access cavity was prepared and root canals were filled, root fillings were removed 2mm apical to the cementoenamel junction, and a 2-mmthick layer of glass ionomer cement base was applied...
July 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28714144/cerebellins-are-differentially-expressed-in-selective-subsets-of-neurons-throughout-the-brain
#4
Erica Seigneur, Thomas C Südhof
Cerebellins are secreted hexameric proteins that form tripartite complexes with the presynaptic cell-adhesion molecules neurexins or 'deleted-in-colorectal-cancer' (DCC), and the postsynaptic glutamate-receptor-related proteins GluD1 and GluD2. These tripartite complexes are thought to regulate synapses. However, cerebellins are expressed in multiple isoforms whose relative distributions and overall functions are not understood. Three of the four cerebellins, Cbln1, Cbln2, and Cbln4, autonomously assemble into homohexamers, whereas the Cbln3 requires Cbln1 for assembly and secretion...
July 16, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28713512/laboratory-evaluation-of-the-effect-of-unfilled-resin-after-the-use-of-self-etch-and-total-etch-dentin-adhesives-on-the-shear-bond-strength-of-composite-to-dentin
#5
Ehsan Baradaran Nasseri, Sara Majidinia, Davood Aghasizadeh Sharbaf
BACKGROUND: Based on the frequent application of composite resins as tooth-colored fillings, this method is considered a viable alternative to dental amalgam. However, this method has the low bond strength of the composite to dentin. To solve this issue, various dental adhesive systems with different characteristics have been developed by dentistry experts. AIM: To assess the effect of an additional layer of unfilled resin in self-etch and total-etch dentin adhesives on the shear bond strength (SBS) of composite to dentin...
May 2017: Electronic Physician
https://www.readbyqxmd.com/read/28713496/effect-of-denture-cleaning-on-abrasion-resistance-and-surface-topography-of-polymerized-cad-cam-acrylic-resin-denture-base
#6
Lana Ahmed Shinawi
BACKGROUND: The application of computer-aided design computer-aided manufacturing (CAD CAM) technology in the fabrication of complete dentures, offers numerous advantages as it provides optimum fit and eliminates polymerization shrinkage of the acrylic base. Additionally, the porosity and surface roughness of CAD CAM resins is less compared to conventionally processed resins which leads to a decrease in the adhesion of bacteria on the denture base, which is associated with many conditions including halitosis and aspiration pneumonia in elderly denture wearers...
May 2017: Electronic Physician
https://www.readbyqxmd.com/read/28707149/long-term-quality-of-life-and-outcomes-following-robotic-assisted-tapp-inguinal-hernia-repair
#7
Andrew Iraniha, Joshua Peloquin
Laparoscopic TAPP inguinal hernia repair is an established alternative to open hernia repair, which offers equivalent outcomes with less postoperative pain and faster recovery. Unfortunately, it remains technically challenging, requiring advanced laparoscopic skills which have limited its popularity among surgeons. The robotic platform has the potential to overcome these challenges. The objective of this study was to examine the long-term quality of life and outcomes following robotic assisted TAPP inguinal hernia repair, since these data have not been reported up to now...
July 13, 2017: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/28701636/influence-of-air-powder-polishing-on-bond-strength-and-surface-free-energy-of-universal-adhesive-systems
#8
Yukie Tamura, Toshiki Takamizawa, Yutaka Shimamura, Shunsuke Akiba, Chiaki Yabuki, Arisa Imai, Akimasa Tsujimoto, Hiroyasu Kurokawa, Masashi Miyazaki
The influences of air-powder polishing with glycine or sodium bicarbonate powders on shear bond strengths (SBS) and surface-free energies of universal adhesives were examined. Scotchbond Universal Adhesive (SU, 3M ESPE), G-Premio Bond (GP, GC), Adhese Universal (AU, Ivoclar Vivadent), and All-Bond Universal (AB, Bisco) were used in this study. Bovine dentin surfaces were air polished with glycine or sodium bicarbonate powders prior to the bonding procedure, and resin pastes were bonded to the dentin surface using universal adhesives...
July 12, 2017: Dental Materials Journal
https://www.readbyqxmd.com/read/28693245/effects-of-remifentanil-on-hemodynamics-liver-function-and-icam-1-expression-in-liver-cancer-patients-undergoing-surgery
#9
Qi Jiang, Xiuling Song, Zheng Chen, Conghui Wang, Huiyu Luo
The objective of the present study was to investigate the effects of remifentanil on hemodynamics, liver function, and expression of intercellular adhesion molecule-1 (ICAM-1) in patients with liver cancer undergoing surgery. A total of 60 patients who underwent liver cancer resection in The First People's Hospital of Xiangyang, Hubei University of Medicine from January 2014 to January 2016 were selected, including 33 males and 27 females, with an average age of 54.12±4.77 years. Patients were randomly divided into the control group and experimental group (n=30 each)...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28692844/comparative-bonding-ability-to-dentin-of-a-universal-adhesive-system-and-monomer-conversion-as-functions-of-extended-light-curing-times-and-storage
#10
Paula Costa Pinheiro Sampaio, Paula de Castro Kruly, Clara Cabral Ribeiro, Leandro Augusto Hilgert, Patrícia Nóbrega Rodrigues Pereira, Polliana Mendes Candia Scaffa, Vinicius Di Hipólito, Paulo Henrique Perlatti D'Alpino, Fernanda Cristina Pimentel Garcia
OBJECTIVES: The purpose of this in vitro study was to evaluate the bonding ability and monomer conversion of a universal adhesive system applied to dentin as functions of different curing times and storage. The results were compared among a variety of commercial adhesives. MATERIALS AND METHODS: Flat superficial dentin surfaces were exposed on human molars and assigned into one of the following adhesives (n = 15): total-etch Adper Single Bond 2 (SB) and Optibond Solo Plus (OS), self-etch Optibond All in One (OA) and Clearfil SE Bond (CSE), and Scotchbond Universal Adhesive in self-etch mode (SU)...
June 27, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28691240/superdurable-coating-fabricated-from-a-double-sided-tape-with-long-term-zero-bacterial-adhesion
#11
Wei Wang, Yang Lu, Hui Zhu, Zhiqiang Cao
There is no coating technology currently available to prevent the notorious biofilm formation issue. Here, a potential solution to fully address this tough issue is reported by developing a super-antifouling coating. The use of zwitterionic hydrogel (a double-sided tape) and commercial superglue is combined and a durable and ultrarobust antifouling zwitterionic (DURA-Z) coating is created that can be easily and universally applied on common substrates. Commercial superglue mostly for binding hydrophobic materials is used to strongly immobilize the superhydrophilic DURA-Z coating through interpenetration...
July 10, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28687359/identification-and-characterization-of-the-lamprey-flotillin-1-gene-with-a-role-in-cell-adhesion
#12
Rong Xu, Xiaoping Song, Peng Su, Yue Pang, Qingwei Li
Flotillin-1 is a kind of localize into specific cholesterol rich microdomains in cellular membranes and highly conserved lipid rafts marker protein widely distributed in animals and plants. It provides a platform for the reaction of many proteins in signal transduction, as scaffolding plays an important role in transmembrane signaling and cell adhesion. Here, Flotillin-1 protein from lamprey was identified and characterized (designated as L-Flotillin-1). After a partial cDNA sequence of L-Flotillin-1 was identified in a lamprey supraneural body cDNA library, the full-length cDNA was obtained using 3'- and 5'-rapid amplification of cDNA ends (RACE)...
July 4, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28686194/orthodontic-metallic-lingual-brackets-the-dark-side-of-the-moon-of-bond-failures
#13
Maria Francesca Sfondrini, Paola Gandini, Andrea Gioiella, Feng Xiao Zhou, Andrea Scribante
Lingual orthodontics, among both young and adult patients, increased in popularity during last years. The purposes of the present investigation were to evaluate the shear bond strength (SBS) values and Adhesive Remnant Index (ARI) scores of different lingual brackets compared with a vestibular control bracket. One hundred bovine teeth were extracted and embedded in resin blocks. Four different lingual brackets (Idea, Leone; STB, Ormco; TTR, RMO; 2D, Forestadent) and a vestibular control bracket (Victory, 3M) were bonded to the bovine enamel surfaces and subsequently shear tested to failure utilizing a Universal Testing Machine...
July 7, 2017: Journal of Functional Biomaterials
https://www.readbyqxmd.com/read/28682287/effect-of-surface-treatments-on-the-bond-strength-of-self-etching-adhesive-agents-to-dentin
#14
M Jacinta Mc Santos, Max Doria Costa, Heleine Maria Chagas Rêgo, José H Rubo, Gildo C Santos
The aim of this study was to investigate the influence of different surface treatments on the shear bond strength (SBS) of self-etching adhesive systems to dentin. Ninety freshly extracted noncarious human molars were sectioned mesiodistally and embedded in chemically cured resin with the buccal or lingual surfaces facing upward. Superficial dentin was exposed, and specimens were randomly assigned to 3 groups, according to the self-etching adhesive system utilized: Clearfil SE Bond (2-step), Scotchbond Universal (1-step), and Clearfil S³ Bond Plus (1-step)...
July 2017: General Dentistry
https://www.readbyqxmd.com/read/28681410/keeping-the-focus-on-biophysics-and-actin-filaments-in-nagoya-a-report-of-the-2016-now-in-actin-symposium
#15
REVIEW
Ikuko Fujiwara, Akihiro Narita
Regulatory systems in living cells are highly organized, enabling cells to response to various changes in their environments. Actin polymerization and depolymerization are crucial to establish cytoskeletal networks to maintain muscle contraction, cell motility, cell division, adhesion, organism development and more. To share and promote the biophysical understanding of such mechanisms in living creatures, the "Now in Actin Study: -Motor protein research reaching a new stage-" symposium was organized at Nagoya University, Japan on 12 and 13, December 2016...
July 6, 2017: Cytoskeleton
https://www.readbyqxmd.com/read/28670638/a-comparison-of-rapid-diagnostic-testing-by-plasmodium-lactate-dehydrogenase-and-quantitative-buffy-coat-technique-in-malaria-diagnosis-in-children
#16
Ifeanyi Kanayo Ifeorah, Biobele J Brown, Olugbemiro O Sodeinde
BACKGROUND: The World Health Organization (WHO) considers early and rapid diagnosis as one of the strategies to control malaria. This study compared the performance of Quantitative Buffy Coat (QBC) test and the Plasmodium lactate dehydrogenase (pLDH) rapid diagnostic test (RDT) with microscopy as the gold standard. MATERIALS AND METHODS: The study involved children ages 0-5 years who presented with a history of fever at the University College Hospital, Ibadan, Nigeria...
2017: African Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28663144/quantitative-fabrication-performance-optimization-and-comparison-of-peg-and-zwitterionic-polymer-antifouling-coatings
#17
Cheng-Mei Xing, Fan-Ning Meng, Miao Quan, Kai Ding, Yuan Dang, Yong-Kuan Gong
A versatile fabrication and performance optimization strategy of PEG and zwitterionic polymer coatings is developed on the sensor chip of surface plasma resonance (SPR) instrument. A random copolymer bearing phosphorylcholine zwitterion and active ester side chains (PMEN) and carboxylic PEG coatings with comparable thicknesses were deposited on SPR sensor chips via amidation coupling on the precoated polydopamine (PDA) intermediate layer. The PMEN coating showed much stronger resistance to bovine serum albumin (BSA) adsorption than PEG coating at very thin thickness (∼1nm)...
June 27, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28658907/effect-of-5-chlorine-dioxide-irrigant-on-micro-push-out-bond-strength-of-resin-sealer-to-radicular-dentin-an-in-vitro-study
#18
Rejitha R Kamalasanan, Swapna V Devarasanahalli, Ranjini M Aswathanarayana, K Rashmi, Yashwanth Gowda, Roopa R Nadig
INTRODUCTION: Chlorine dioxide (ClO2) has been recently investigated as a possible root canal irrigant due to its broad spectrum of antimicrobial action, tissue dissolution and smear layer removal properties. Literature is scarce on the effect of chlorine dioxide irrigation on the resin sealer dentin bond strength. AIM: To compare 5% chlorine dioxide (ClO2) with or without Ethylene Diamine Tetra Acetic acid (EDTA) with 3% Sodium hypochlorite (NaOCl) and EDTA combination as endodontic irrigants on the adhesion of AH Plus sealer to radicular dentin using micro- Push out Bond Strength (µPBS) test...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28658356/does-the-co2-laser-reduce-bond-strength-in-different-types-of-ceramic-brackets
#19
Fábio Lourenço Romano, Giovanna Pessoti, Rodrigo Galo, Jaciara Miranda Gomes-Silva, Marília Pacífico Lucisano, Maria Cristina Borsatto, Paulo Nelson-Filho
OBJECTIVE: The aim of this study was to assess in vitro the influence of the CO2 laser and of the type of ceramic bracket on the shear bond strength (SBS) to enamel. METHODS: A total of 60 enamel test surfaces were obtained from bovine incisors and randomly assigned to two groups, according to the ceramic bracket used: Allure (A); Transcend (T). Each group was divided into 2 subgroups (n = 15): L, laser (10W, 3s); C, no laser, or control. Twenty-four hours after the bonding protocol using Transbond XT, SBS was tested at a crosshead speed of 0...
March 2017: Dental Press Journal of Orthodontics
https://www.readbyqxmd.com/read/28655478/the-impact-of-argon-oxygen-low-pressure-plasma-on-shear-bond-strength-between-a-veneering-composite-and-different-peek-materials
#20
Andreas Dominik Schwitalla, Friederike Bötel, Tycho Zimmermann, Mona Sütel, Wolf-Dieter Müller
OBJECTIVE: The aim of the study was to evaluate the impact of low-pressure argon/oxygen plasma with and without previous sandblasting on the shear bond strength (SBS) between dental PEEK compounds and a veneering composite. METHODS: Of one type of unfilled PEEK and two pigment powder filled PEEK compounds, forty rectangular plates each were prepared and polished up to 4000 grit. The samples were randomly assigned to four surface pre-treatment groups, each consisting of ten specimens (1...
June 24, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
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