Results 41 to 50 of about 13,406 (166)

Literature review Characteristics and rationale for the clinical application of tricalcium silicate cement sealer

Эндодонтия Today, 2020
Bioceramics-based sealers were introduced to the market after bioceramic cements had appeared. Recently, lots of studies have been carried out regarding the physicochemical and biological properties of sealer such as BioRoot RCSTM based on tricalcium ...
Z. S. Khabadze, O. S. Mordanov, I. M. Todua, S. M. Solimanov, S. A. Nazhmudinov, O. I. Magomedov, A. B. Adzhieva   +6 more
doaj   +1 more source

Transformation of a Silicate Material for Carbon Negative Magnesia‐Based Cement via Electrochemistry

Advanced Science
Magnesium silicate hydrate cement (M‐S‐H) can be formed from magnesium oxide (MgO) and silica phases which offer unique properties compared to traditional calcium‐based Portland cement (PC).
Anthony R. Ramuglia, Julius Scheel, Thomas Köberle, Kelly Henze, Silvia Paasch, Lairana Lima Duarte, Stefan Kaskel, Eike Brunner, Viktor Mechtcherine, Thomas Matschei, Inez. M. Weidinger, Marco Liebscher   +11 more
doaj   +1 more source

Mechanical and biological evaluation of β-dicalcium silicate/dicalcium phosphate-based cements: promising materials for biomedical applications

Journal of Taibah University for Science
This study explores the synthesis and evaluation of β-Dicalcium silicate and Dicalcium phosphate-based cements for biomedical use. β-Tricalcium phosphate was synthesized using microwave-assisted wet precipitation, while β-Dicalcium silicate was prepared ...
Ammar Z. Alshemary, Almataz Bellah Marandi, Daver Ali, Tuğba Köse, Ali Deniz Dalgic, Ali Motameni, Zafer Evis   +6 more
doaj   +1 more source

Fire Resistance of Sewage Sludge Ash Blended Cement Pastes

Journal of Engineering, 2013
The aim of the present study is to investigate the hydration characteristics and the fire resistance of sewage sludge ash blended cement pastes by the determination of compressive strength, bulk density, and total porosity in addition to XRD and SEM ...
M. A. Tantawy, A. M. El-Roudi, Elham M. Abdalla, M. A. Abdelzaher   +3 more
doaj   +1 more source

Evaluation of Shear Bond Strength and Marginal Adaptation of Calcium Silicate-based Cements and Premixed Bioceramics When Restored with Glass Ionomer Cement: An In Vitro Study [PDF]

Journal of South Asian Association of Pediatric Dentistry
Aims and background: In primary molars, pulpotomy is recommended when the radicular pulp tissue is either healthy or capable of healing. A biologically compatible pulpotomy agent is used to seal the radicular pulp.
Megha C Patel, Malayka H Shah, Disha Makwani, Khushi Rathod, Sarchi Patel, Prachi Patel   +5 more
doaj   +1 more source

Synthesis of kaolin-based alkali-activated cement: carbon footprint, cost and energy assessment

Journal of Materials Research and Technology, 2020
The main purpose of the work reported herein is to use kaolin to produce one-part alkali-activated cement. Thermal activation was performed on kaolin in the presence of alkalis (calcium oxide, sodium silicate, and sodium carbonate).
Ayman Ababneh, Faris Matalkah, Ruba Aqel
doaj   +1 more source

Quantitative Evaluation by Glucose Diffusion of Microleakage in Aged Calcium Silicate-Based Open-Sandwich Restorations

International Journal of Dentistry, 2012
This study compared the in vitro marginal integrity of open-sandwich restorations based on aged calcium silicate cement versus resin-modified glass ionomer cement. Class II cavities were prepared on 30
S. Koubi, H. Elmerini, G. Koubi, H. Tassery, J. Camps   +4 more
doaj   +1 more source

Utilization of Iron Ore Tailings as Raw Material for Portland Cement Clinker Production

Advances in Materials Science and Engineering, 2016
The cement industry has for some time been seeking alternative raw material for the Portland cement clinker production. The aim of this research was to investigate the possibility of utilizing iron ore tailings (IOT) to replace clay as alumina-silicate ...
Li Luo, Yimin Zhang, Shenxu Bao, Tiejun Chen   +3 more
doaj   +1 more source

Understanding silicate hydration from quantitative analyses of hydrating tricalcium silicates

Nature Communications, 2016
Despite its importance to the cement industry, tricalcium silicate hydration, with its sequence of induction, acceleration and deceleration steps, still hosts many open questions.
Elizaveta Pustovgar, Rahul P. Sangodkar, Andrey S. Andreev, Marta Palacios, Bradley F. Chmelka, Robert J. Flatt, Jean-Baptiste d’Espinose de Lacaillerie   +6 more
doaj   +1 more source

Phase formation and carbonation impact on the strength of alkali-activated demolition waste with calcium compounds

Case Studies in Construction Materials
The present study evaluates the impact of calcium compounds on the reaction kinetics of alkali-activated construction demolition waste. Two materials, concrete and brick demolition waste, were milled to powders and supplemented with either carbonated ...
Isabelle Wichmann, Dietmar Stephan
doaj   +1 more source