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Effect of calcium hydroxide on the alkali-silica reaction of alkali-activated slag mortars activated by sodium hydroxide

, 2021
Alkali-silica reaction (ASR) is one of the major durability issues in ordinary Portland cement (OPC) concrete. Previous literature suggested that the alkali-activated slag (AAS) concrete is less susceptible to ASR compared to OPC concrete.
Jiawei Lei, Wei Wee Law, E. Yang
semanticscholar   +1 more source

Comparison of iRoot BP Plus and Calcium Hydroxide as Pulpotomy Materials in Permanent Incisors with Complicated Crown Fractures: A Retrospective Study.

Journal of Endodontics, 2020
INTRODUCTION Calcium hydroxide has been used as a traditional pulpotomy agent for a long time but has some disadvantages. iRoot BP Plus (Innovative Bioceramix Inc, Vancouver, Canada) is a newly developed, ready-to-use calcium silicate-based bioactive ...
Qian Rao   +7 more
semanticscholar   +1 more source

Outcome Assessment of Teeth with Necrotic Pulps and Apical Periodontitis Treated with Long-Term Calcium Hydroxide.

Journal of Endodontics, 2020
INTRODUCTION The aims of this retrospective, cohort-case series was two-fold: 1) to evaluate the outcomes of teeth with necrotic pulps and apical periodontitis using long-term calcium hydroxide. Healing was assessed via the periapical index (PAI) system;
Sheldon Best   +4 more
semanticscholar   +1 more source

Impacts of two alkanolamines on crystallization and morphology of calcium hydroxide

, 2020
As one of the main hydration products, Ca(OH)2 has important effects on mechanical properties and durability of hardened cementitious materials. In this study, Ca(OH)2 precipitates were synthesized by continuous feeding of CaCl2 and NaOH solutions into a
Jian Wang   +3 more
semanticscholar   +1 more source

Mechanical and fracture properties of calcium silicate hydrate and calcium hydroxide composite from reactive molecular dynamics simulations

, 2020
This paper firstly investigated the mechanical and fracture properties of calcium silicate hydrate and calcium hydroxide composite by reactive molecular dynamics simulations.
Yuanzhi Liang
semanticscholar   +1 more source

Removal of Calcium Hydroxide from Artificial Grooves in Straight Root Canals: Sonic Activation Using EDDY Versus Passive Ultrasonic Irrigation and XPendo Finisher

Journal of Endodontics, 2019
Introduction: The aim of the present study was to compare sonic activation using EDDY (VDW, Munich, Germany), passive ultrasonic irrigation (PUI), and mechanical activation using the XPendo Finisher (FKG Dentaire, La Chaux‐des‐Fonds, Switzerland) for the
D. Donnermeyer   +3 more
semanticscholar   +1 more source

Experimental investigation on thermodynamic and kinetic of calcium hydroxide dehydration with hexagonal boron nitride doping for thermochemical energy storage

Chemical Engineering and Science, 2019
Thermochemical heat storage is a promising candidate due to its high energy densities and the possibility of long-term storage in the areas of waste heat recovery and renewable energy utilization. In this work, hexagonal boron nitride (HBN)-doped calcium
Caifeng Huang, Min Xu, X. Huai
semanticscholar   +1 more source

The Effect of Calcium Hydroxide and Nano-calcium Hydroxide on Microhardness and Superficial Chemical Structure of Root Canal Dentin: An Ex Vivo Study.

Journal of Endodontics, 2019
INTRODUCTION Calcium hydroxide (CH) and nano-calcium hydroxide (NCH) as intracanal medicaments may affect the physical and chemical properties of dentin.
M. Naseri   +4 more
semanticscholar   +1 more source

Interaction of calcium phosphates with calcium oxide or calcium hydroxide during the “soft” mechanochemical synthesis of hydroxyapatite

Ceramics International, 2019
In the present work, the formation kinetics of hydroxyapatite Ca10(PO4)6(OH)2 during ball milling of mixtures of calcium phosphates with calcium oxide or calcium hydroxide was studied.
M. Chaikina   +4 more
semanticscholar   +1 more source

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