Microshear Bond Strength of Composite Resin to Mineral Trioxide Aggregate and Potassium Nitrate-Modified Polycarboxylate Cement at Two Time Points Using Different Adhesive Approaches: An In Vitro Study. [PDF]
Clin Exp Dent ResABSTRACT Objectives This in vitro investigation evaluated the microshear bond strength (µSBS) of composite resin to mineral trioxide aggregate (MTA) and a modified polycarboxylate cement containing potassium nitrate (PCC/KNO3), both utilized as pulpotomy materials.
Adl A +3 more
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Dispersing Effect of Core Cross-linked Star Polycarboxylate Superplasticizers on the Cement Paste [PDF]
E3S Web of Conferences, 2021 Researches on topological modification of polycarboxylate superplasticizers to improve the water-reducing or slump-retainning properties have been a hot topic in rencent years. Herein, a core crosslinked star polycarboxylate superplasticizers (SPCE) were
Zhang Jinlong +4 more
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Microleakage at implant abutment and prosthesis interface in cemented implant-supported prosthesis
Journal of Pharmacy and Bioallied Sciences, 2021 Background: Dental implants have an important role in mainstream dental practice today to restore esthetics. The present study was conducted to evaluate the microleakage at implant abutment and prosthesis interface in cemented implant-supported ...
Soni Kumari +5 more
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Research on the performance of recycled concrete powder self-leveling mortar based on orthogonal experiment [PDF]
E3S Web of Conferences, 2020 Waste concrete in the construction waste is reprocessed into concrete sand and powder [1]. Recycled concrete sand with a particle size between 0.15 and 0.25mm partially replaces natural sand, and the recycled concrete powder with a particle size less ...
Lin Yuezhong +2 more
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Low-heat steaming treatment of concrete with polycarboxylate superplasticizers
Magazine of Civil Engineering, 2021 Recommendations for quantity of polycarboxylate water-reducing admixtures, for the properties of Portland cement as well as the curing regimes is presented in order to reduce the Portland cement amount, to improve the transfer and design strength and ...
Olga Smirnova
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Contemporary Clinical Dentistry, 2019 Context: The most appropriate luting agent for titanium crowns is yet to be determined. Commonly used cements for luting titanium restorations give off leachable ions which may cause surface interaction with the titanium.
Kondumahanti V N. Avinash +3 more
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Supramolecular impactmechanism of polycarboxylate superplasticizers on controlled hardening building nanocomposites [PDF]
Нанотехнологии в строительстве, 2020 : Introduction. The use of modifying nano-additives in the production of binding building materials is one of the most effective ways to control the technological parameters of concrete by conducting good control of the rheological characteristics ...
Rauf M. Khalikov +3 more
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Effect of the mix composition with superplasticizer admixture on mechanical properties of high–strength concrete based on reactive powders [PDF]
Archives of Civil Engineering, 2023 This paper outlines effect of the mix composition on mechanical properties of high–strength concrete based on aggregate size like in of Reactive Powder Concrete (RPC) but without fiber reinforcement.
Jarosław Siwiński +5 more
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Investigation of Cement, Mineral and Chemical Additive Interactions in Micro Scales
Düzce Üniversitesi Bilim ve Teknoloji Dergisi, 2021 Self-compacting concretes (SCC), a new type of concrete, were realized with the development of polycarboxylate-based chemical additives. The interaction of these additives with the powder materials in the nano and micro scales affects the fresh and ...
Kenan Toklu +2 more
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Materiales de Construccion, 2018 The dispersion behavior of graphene oxide in cement matrix is one important factor in enhancing cement performance. In this work, we investigated the dispersion of graphene oxide in cement by simulating alkaline environment with a solution of calcium ...
G. J. Jing +5 more
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