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TY - JOUR. T1 - Mineral trioxide aggregate inhibits osteoclastic bone resorption. AU - Hashiguchi, D.. AU - Fukushima, H.. AU - Yasuda, H.. AU - Masuda, W.. AU - Tomikawa, M.. AU - Morikawa, K.. AU - Maki, K.. AU - Jimi, E.. PY - 2011/7/1. Y1 - 2011/7/1. N2 - Mineral trioxide aggregate (MTA), a commonly used endodontic repair material, is useful for both basic and clinical research, and the effect of MTA on osteoblast differentiation has been well-defined. However, the effects of MTA on osteoclastic bone resorption are not fully understood. Hence, the aim of this study is to examine the effect of MTA solution in the regulation of osteoclast bone-resorbing activity using osteoclasts formed in co-cultures of primary osteoblasts and bone marrow cells. MTA solution dosedependently reduced the total area of pits formed by osteoclasts. The reduction of resorption induced by 20% MTA treatment was due to inhibition of osteoclastic bone-resorbing activity and had no effect on osteoclast number. A 20% MTA ...

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Introduction: The aim of this study was to evaluate the effect of mechanical and manual mixing as well as the effect of ultrasonic agitation during placement on the flexural strength and porosity of mineral trioxide aggregate (MTA). Methods: White ProRoot MTA and white MTA Angelus were used. One gram of each powder was mixed with a 0.34-g aliquot of distilled water. Specimens were mixed either by mechanical mixing of capsules for 30 seconds at 4500 rpm or by a saturation technique and application of a condensation pressure of 3.22 MPa for 1 minute. The mixed slurries of all materials were loaded into 2 × 2 × 25 mm molds for testing flexural strength and 3 × 4 mm molds for evaluation of porosity. Half of the specimens were placed in the stainless steel molds by using indirect ultrasonic activation. All specimens were incubated for 4 days. Micro-computed tomography was used to determine the porosity of each specimen, and a 3-point bending test was used to evaluate flexural strength. Tukey ...

AbstractThe aim of this pilot study was to evaluate the clinical efficacy of mineral trioxide aggregate (MTA) as an apexification material when used in non-vital immature permanent incisors in children. Fifteen children with a mean age of 11.7 years and 17 non-vital permanent incisors were ajudged s

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The purpose of this study was to demonstrate the long-term success that can be achieved by the use of Mineral Trioxide Aggregate (MTA) as a pulp capping agent, demonstrate the simplicity of the procedure, and overcome the commonly held objections of cost, difficult handling characteristics, and the need for two appointments to complete the procedure.;A single visit protocol was utilized in the completion of forty-eight pulp cap procedures with twenty-seven procedures available for recall. The MTA pulp cap was covered with glass ionomer liner and then restored with a bonded composite or amalgam. Teeth were evaluated for sensitivity to percussion, cold testing, and periapical radiograph at follow-up appointments. A success rate of over eighty-five percent was achieved in this study. MTA has been demonstrated to be the material of choice and gold-standard for pulp capping procedures. MTA is biocompatible, less cytotoxic than calcium hydroxide, provides a bioactive benefit and a bacteriostatic seal. The

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Looking for calcium lactate? Find out information about calcium lactate. Ca 2·5H2O A salt of lactic acid in the form of white crystals that are soluble in water; used in calcium therapy and as a blood coagulant Explanation of calcium lactate

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Feasibility analysis of new project investments for China Calcium Lactate Industry. A analysis of price, market share, and gross margin on the basis of product type, price levels, and applications is done in the price and gross margin analysis section of the China Calcium Lactate market research report.. Topics such as sales and sales revenue overview, production market share by product type, capacity and production overview, import, export, and consumption are covered under the development trend section of the China Calcium Lactate market report.. Price (Single User Licence): $3200. Have any Query Regarding the China Calcium Lactate market Report?? Ask our Experts @ http://www.absolutereports.com/enquiry/pre-order-enquiry/10657621 Market Segment by Regions (provinces), covering. South China. East China. Southwest China. Northeast China. North China. Central China. Northwest China. Lastly, the feasibility analysis of new project investment is done in the report, which consist of a detailed SWOT ...

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Calcium salts such as Calcium chloride, Calcium lactate, Calcium lactate gluconate are used in modernist cuisine to produce gels in combination with hydrocolloids that require ions such as calcium to gel. Sodium Alginate, Low Acyl Gellan, Low-methoxyl Pectin and Iota Carrageenan only gel in the presence of ions such as calcium.

Temperature affects the properties of concrete through its effect on the hydration of cement and its associated microstructural development. This paper focuses on the modifications to C-S-H induced by isothermal curing between 5 and 60 degrees C. The results show that as the temperature increases (within the range studied) the C/S ratio of C-S-H changes only slightly, with a higher degree of polymerisation of silicate chains, but there is a significant decrease in its bound water content and an increase of apparent density of 25%. This increase seems to come from a different packing of C-S-H at the nanoscale. As a consequence of these changes, the microstructure of the cement paste is much coarser and porous, which explains the lower final strengths obtained by curing at elevated temperatures. (C) 2013 Elsevier Ltd. All rights reserved.. Keywords: Calcium silicate hydrate (C-S-H) (B) ; Temperature (A) ; Microstructure (B) ; SEM (B) ; BSE. ...

Functions: Thickener. Calcium lactate is a white crystalline salt with formula C6H10CaO6, consisting of two lactate anions H3C-CHOH-CO−2 for each calcium cation Ca2+. It forms several hydrates, the most common being the pentahydrate C6H10CaO6·5H2O. Calcium lactate is used in medicine, mainly to treat calcium deficiencies; and as a food additive with E number of E327. Some cheese crystals consist of calcium lactate. - Wikipedia ...

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Calcium silicate hydrate (C-S-H) is made by mixing calcium hydroxide (portlandite), silica and water at two calcium oxide to silica (C/S) ratios, using nano-silica and silica fume. We investigate how silica particle size influences the rate and extent of formation of C-S-H at room temperature by isothermal calorimetry, thermal analysis, Raman spectroscopy and X-ray diffraction. Rate of reaction increases as silica particle size decreases, and is five times greater with nano-silica than with silica fume. Final composition depends only on initial C/S ratio. Compositions at 28 days are estimated from thermogravimetric and X-ray diffraction data. There is a weak maximum in the reaction rate of nanosilica pastes about 20-30 h after mixing. The overall kinetics is well described by a simple exponential (first-order) reaction model. The early-time reaction rate around the rate maximum is described by an Avrami model.. ...

A method and apparatus for performing a surgical repair may involve fixation of a repair material, such as a ligament or tendon in knee ligament repair procedure, to an internal cortical contact area in a bone. The cortical bone contact area may be located immediately adjacent an opening in the bones surface through which the repair material extends. The repair material may be engaged with the contact area by way of a fixation device, such as a device that is attached to the repair material and functions as a stop member. An illustrative fixation device may include an annular portion with an aperture through with the repair material passes. The repair material may be attached to a securing portion that extends from the annular portion.

A method and apparatus for performing a surgical repair may involve fixation of a repair material, such as a ligament or tendon in knee ligament repair procedure, to an internal cortical contact area in a bone. The cortical bone contact area may be located immediately adjacent an opening in the bones surface through which the repair material extends. The repair material may be engaged with the contact area by way of a fixation device, such as a device that is attached to the repair material and functions as a stop member. An illustrative fixation device may include an annular portion with an aperture through with the repair material passes. The repair material may be attached to a securing portion that extends from the annular portion.

TY - BOOK. T1 - Concrete repair materials. T2 - SILKO-tests 2016. AU - Salparanta, Liisa. N1 - Project code: 109812 VTT-CR-01175-16/EN. PY - 2016. Y1 - 2016. N2 - Replaces report VTT-R-01277-14/ENReplaced with VTT-CR-01600-17/EN. AB - Replaces report VTT-R-01277-14/ENReplaced with VTT-CR-01600-17/EN. KW - concrete. KW - repair. KW - mortar. KW - grout. KW - mastic. KW - patch. KW - screed. KW - sprayed concrete. KW - air-blown. KW - requirements. KW - SILKO. M3 - Report. T3 - VTT Customer Report. BT - Concrete repair materials. PB - VTT Technical Research Centre of Finland. ER - ...

As one of the most promising strategies in chemical process intensification, membrane reactor (MR) technology has attracted considerable worldwide researches in the last three decades, and this subject is still currently undergoing rapid development and innovation. Nevertheless, inorganic MRs such as perovskite MRs have not achieved any large-scale commercial applications, which implies that there are still a lot challenges to their practical applications. In contrast, several novel perovskite membranes and MRs have been developed in recent years. Therefore, this chapter addresses research and development of perovskite MR applications, in which can permeate oxygen and hydrogen at high temperatures. Indeed, in this chapter, is introduced the structure, transport mechanisms, and performance of various perovskite membranes, followed by evaluation of employing perovskite membranes for both oxidative and non-oxidative reactions. In this viewpoint, the perovskite membrane role of either removing a reactant to

The aim of this study was to prepare β-wollastonite using a green synthesis method (autoclaving technique) without organic solvents and to study its bioactivity. To prepare β-wollastonite, the precursor ratio of CaO:SiO2 was set at 55:45. This mixture was autoclaved for 8 h and later sintered at 950 °C for 2 h. The chemical composition of the precursors was studied using X-ray fluorescence (XRF), in which rice husk ash consists of 89.5 wt % of SiO2 in a cristobalite phase and calcined limestone contains 97.2 wt % of CaO. The X-ray diffraction (XRD) patterns after sintering showed that only β-wollastonite was detected as the single phase. To study its bioactivity and degradation properties, β-wollastonite samples were immersed in simulated body fluid (SBF) for various periods of time. Throughout the soaking period, the molar ratio of Ca/P obtained was in the range of 1.19 to 2.24, and the phase detected was amorphous calcium phosphate, which was confirmed by scanning electron microscope with energy

Capping of the exposed pulp is indicated for reversible pulp tissue injury after physical or mechanical trauma in developing or mature teeth.The response to direct pulp capping with materials such as MTA or NEC is the formation of dentin barrier, resulting from the recruitment and proliferation of undifferentiated cells.. Different materials can be used to induce dentinal bridge formation.MTA has been introduced as a proper material to induce dentinal bridge formation,with greater mean thickness of dentinal bridge and less inflammation compared to traditional materials like calcium hydroxide. Although biocompatible, MTA has a poor handling characteristic, delay setting time, off-white color, and it is almost expensive.The Novel Endodontic Cement (NEC) has been introduced to combine reasonable characteristics of MTA with appropriate chemical properties, setting time, color, and handling characteristics.. The extracellular matrix (ECM) of pulp comprises a variety of proteins and polysaccharides, ...

In 2018, Top exporters of Hydraulic lime; excluding calcium oxide and hydroxide of heading no. 2825 to Vietnam were Indonesia ($40.50K , 27,000 Kg), Thailand ($11.44K , 96,001 Kg ...

Calcium oxide is a chemical compound of calcium and oxygen. Its chemical formula is CaO. It is known as quicklime. It is made in a lime kiln. It releases heat when dissolved in water and changes into calcium hydroxide. It is a white powder. It is also a base. It reacts with acids to make calcium salts. Quicklime is an important ingredient of cement ...

For critical insights on this market, request for methodology here https://www.factmr.com/connectus/sample?flag=RM&rep_id=1373. Key Developments in the Calcium Acetate Global Market:. Calcium acetate market is developing with its wide scale application in food & beverages, pharmaceuticals, agriculture, and pet food driven by the expanding market of calcium supplement food.. Calcium acetate is also approved for use by other international regulatory bodies for use in food for different technical effects and food applications. The use of calcium acetate is so broad, these regulatory bodies permit its use consistent with good manufacturing practice.. Global Calcium Acetate Market - Key Players:. The key market players identified in the global calcium acetate Market are VASA PhamaChem, Qingdao BCD Fine Chemical, Merck Millipore, Avantor Performance Materials, Shanxi Fu Rongfu Chemical, Wuxi Yangshan Biochemical, Tengzhou Tenglong, Penglai Marine Bio-Tech, Wuxi Unisen, Anhui Hongyang Chemical, Allan ...

Calcium oxide is used as a catalyzer in many applications such as CO2 sequestration and biodiesel production and the degree of surface hydroxylation is a key factor in its catalytic performance The results show that the water dissociates very fast on CaO {001} bare surfaces without any defect or vacancy The surface structure is maintained up to a certain amount of water after which the Get More ...

Calcium oxide, also called quicklime, is a chemical compound used in many different industries for different applications. In the metallurgy and steel indu

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Calcium oxide - Wikipedia, the free encyclopedia From what I find in this article, it looks like you can scrub CO2 from the air simply by heating and

Research shows small amounts of calcium oxide can neutralize the acid in distillers grains, a commonly used alternative to corn in many livestock feed mixes.

Masoud Parirokh and Mahmoud Torabinejad. Introduction 284. Portland Cement (PC) 285. Chemical composition 285. Physical properties 286. Antibacterial activity 287. Sealing ability 288. Biocompatibility 288. Cell culture studies 288. Subcutaneous implantation 288. In vivo investigations 289. Clinical applications 289. Limitations 289. Angelus MTA 291. Chemical composition 291. Physical properties 292. Antibacterial activity 293. Sealing ability 293. Biocompatibility properties 293. Cell structure studies 293. Subcutaneous implantation 294. Intraosseous implantation 294. In vivo investigations 294. Clinical applications 295. Bioaggregate (BA) 295. Chemical composition 295. Physical properties 296. Antibacterial activity 296. Sealing ability 296. Biocompatibility 296. Cell culture studies 296. Biodentine (BD) 297. Chemical composition 297. Physical properties 297. Biocompatibility and clinical applications 297. iRoot 298. Chemical composition 298. Physical properties 298. Biocompatibility ...

The Effect of Coadminstration of Nicotinamide and Calcium-based Phosphate Binder on Hyperphophatemia in Patients Undergoing Hemodialysis

The crystal structure of the BPQDs@CsPbI2Br hybrid film was further analyzed by TEM (fig. S6, A to H). All TEM images were captured at a region distant from the focused beam position because of the vulnerability of the CsPbI2Br perovskite to radiolysis when exposed to the 200-keV electron beam (fig. S6D) (49). The TEM images in fig. S6 (B and E) were obtained by adjusting electron-beam focusing at BPQDs and beyond dot positions. The distribution of lattice domains shows a clear BPQDS/CsPbI2Br core-shell structure by combining HRTEM images in fig. S6 (C and F). As the ratio of BPQD to perovskite decreases, the thickness of perovskite shell onto the BPQD gradually increases until it wraps the core (inset in fig. S6F), and finally forms a continuous matrix with BPQDs embedded inside (fig. S6G). The HRTEM image (fig. S6H) further shows a clear lattice interface between perovskite and QDs, indicating good compatibility among the two components. The lattice spacings of 0.29 and 0.26 nm are consistent ...

Calcium Lactate list and information including what is Calcium Lactate, health benefits and usage indications. Find articles and product list for other top low-carb products, fat-burners, nutrition bars and shakes.

Calcium Lactate Yakuhan is a medicine available in a number of countries worldwide. A list of US medications equivalent to Calcium Lactate Yakuhan is available on the Drugs.com website.

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Calcium aluminates are a range of minerals obtained by heating calcium oxide and aluminium oxide together at high temperatures. They are encountered in the manufacture of refractories and cements. The stable phases shown in the phase diagram (formed at atmospheric pressure under an atmosphere of normal humidity) are: Tricalcium aluminate, 3CaO·Al2O3 (C3A) Dodecacalcium hepta-aluminate, 12CaO·7Al2O3 (C12A7) (mayenite) Monocalcium aluminate, CaO·Al2O3 (CA) Monocalcium dialuminate, CaO·2Al2O3 (CA2) Monocalcium hexa-aluminate, CaO·6Al2O3 (CA6) In addition, other phases include: Dicalcium aluminate, 2CaO·Al2O3 (C2A), which exists only at pressures above 2500 MPa. The crystal is orthorhombic, with density 3480 kg·m−3. Pentacalcium trialuminate, 5CaO·3Al2O3 (C5A3), forms only under an anhydrous and oxygen free atmosphere. The crystal is orthorhombic, with a density of 3067 kg·m−3. It reacts rapidly with water. Tetracalcium trialuminate, 4CaO·3Al2O3 (C4A3), is a metastable phase formed by ...

The Global Calcium Acetate (Cas 62-54-4) Industry report gives a comprehensive account of the Global Calcium Acetate (Cas 62-54-4) market. Details such as the size, key players, segmentation, SWOT analysis, most influential trends, and business environment of the market are mentioned in this report. Furthermore, this report features tables and figures that render a clear perspective of the Calcium Acetate (Cas 62-54-4) market.. Download Free Sample Report @ http://www.fiormarkets.com/report-detail/34220/request-sample. The report features an up-to-date data on key companies product details, revenue figures, and sales. Furthermore, the details also gives the Global Calcium Acetate (Cas 62-54-4) market revenue and its forecasts. The business model strategies of the key firms in the Calcium Acetate (Cas 62-54-4) market are also included. Key strengths, weaknesses, and threats shaping the leading players in the market have also been included in this research report.. The report gives a detailed ...

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Calcium aluminate cements are cements consisting predominantly of hydraulic calcium aluminates. Alternative names are aluminous cement, high-alumina cement and Ciment fondu in French. They are used in a number of small-scale, specialized applications. The method of making cement from limestone and low-silica bauxite was patented in France in 1908 by Bied of the Pavin de Lafarge Company. The initial development was as a result of the search for a cement offering sulfate resistance. The cement was called in the French Ciment fondu. Subsequently, its other special properties were discovered, and these guaranteed its future in niche applications. The main active constituent of calcium aluminate cements is monocalcium aluminate (CaAl2O4, CaO · Al2O3, or CA in the cement chemist notation). It usually contains other calcium aluminates as well as a number of less reactive phases deriving from impurities in the raw materials. Rather a wide range of compositions is encountered, depending on the ...

Emergence of Biodegradable Materials to Encourage Global Bone Repair Materials Markets Growth - Press Release by MarketResearchReports.biz

Principal Investigator：OGISO Bunnai, Project Period (FY)：2003 - 2004, Research Category：Grant-in-Aid for Scientific Research (C), Section：一般, Research Field：Conservative dentistry

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Looking for common limes? Find out information about common limes. see calcium oxide calcium oxide, chemical compound, CaO, a colorless, cubic crystalline or white amorphous substance. It is also called lime, quicklime, or... Explanation of common limes

The normal development and maturation of a root depends on a vital, healthy pulp. If the pulp becomes necrotic in a tooth with an immature apex, endodontic treatment can be performed using an artificial barrier technique. Mineral trioxide aggregate (MTA) has become the material of choice to accomplish this procedure, however, few studies have evaluated its clinical success. The purpose of this retrospective study was to determine the clinical success of ProRoot MTA used as an artificial apical barrier. Twenty patients were included in this study. After approximately one week of Ca(OH)2 treatment, each patient had MTA placed as an apical barrier in a tooth with a single canal and open apex followed by placement of a final restoration. Patients were recalled and evaluated for clinical signs and symptoms and osseous healing. Immediate post-treatment and recall radiographs were evaluated by two endodontists calibrated for use of the Periapical Index (PAI ...

Zhengzhou Dengfeng Smelting Materials. The Global Calcium Aluminate Industry provides a basic overview of the industry including definitions, classifications, applications and industry chain structure. The Calcium Aluminate market analysis is provided for the international markets including development trends, competitive landscape analysis, and key regions development status.. Development policies and plans are discussed as well as manufacturing processes and cost structures are also analyzed. This report also states import/export consumption, supply and demand Figures, cost, price, revenue and gross margins.. The Global Calcium Aluminate Industry focuses on global major leading industry players providing information such as company profiles, product picture and specification, capacity, production, price, cost, revenue and contact information. Upstream raw materials and equipment and downstream demand analysis is also carried out. The Calcium Aluminate industry development trends and marketing ...