• Low allergy potential Low shrinkage Retention - if an adhesive bond occurs between the cement and the restorative material, retention is greatly enhanced. (wikipedia.org)
  • Unlike composite and amalgam restorations, cements are usually used as a temporary restorative material. (wikipedia.org)
  • Luting cements are often of similar composition to restorative cements, however they usually have less filler meaning the cement is less viscous. (wikipedia.org)
  • Due to its chemical, mechanical and biological properties, the glass ionomer cements (GIC) consist in one of the most versatile direct restorative materials, with many potential clinical indications, especially in the context of minimally invasive dentistry. (bvsalud.org)
  • Based on this finding, the polycarboxylate cements gained quickly popularity as cementing agents, but could not be used as restorative materials because of the high solubility of unsatisfactory mechanical properties and unacceptable aesthetics caused by residual zinc oxide. (bvsalud.org)
  • T he use of a composite resin restorative system to restore teeth due to caries and/or fracture before placement of a crown restoration is well documented in dental literature. (docksci.com)
  • Since the development of the dental restorative composite resin system (Bis-GMA-based)by Bowen, researchers have been trying to improve existing composite resin systems and alter their characteristics for improved clinical applications. (docksci.com)
  • 12.13 The relationship between fatigue and compressive and tensile strength seems to indicate that composite resins with higher compressive and tensile strength will withstand fatigue better and longer.I2Therefore, a possible way for reducing failure associated with dental composite resins due to age and function is to improve the existing compressive and tensile strengths for these dental restorative materials. (docksci.com)
  • In order to encourage pulpal recovery, it is important to use a sedative, non-cytotoxic material such as Setting Calcium Hydroxide cement. (wikipedia.org)
  • Many materials used for managing perforations such as: glass ionomer and resin modified glass ionomer, zinc oxide-eugenol, amalgam, calcium hydroxide and composite resin [ 1 - 4 ].The material of choice for treating radicular perforations should be nontoxic, non-absorbable, radiopaque, bacteriostatic, bactericidal and provide a seal against micro leakage [ 5 ]. (opendentistryjournal.com)
  • GIC - Glass Ionomer cement Zinc Polycarboxylate cement Zinc Oxide Eugenol cement RMGIC Amalgam does not bond to tooth tissue and therefore requires mechanical retention in the form of undercuts, slots and grooves. (wikipedia.org)
  • However, if insufficient tooth tissue remains after cavity preparation to provide such retentive features, a cement can be utilised to help retain the amalgam in the cavity. (wikipedia.org)
  • Resin-based: Acrylate or methacrylate resin cements, including the latest generation of self-adhesive resin cements that contain silicate or other types of fillers in an organic resin matrix. (wikipedia.org)
  • Glass ionomer cements are available since the early 1970s 56 and are derived from silicate and zinc polycarboxylate cements. (bvsalud.org)
  • This reactive glass is similar to that existing in the silicate cements. (bvsalud.org)
  • BISCO's porcelain primers are silane coupling agents used to improve bonding between porcelain restorations and resin cement. (moayaddentalsupplies.com)
  • Historically, zinc phosphate and polycarboxylate cements were used for this technique, however since the mid-1980s composite resins have been the material of choice due to their adhesive properties. (wikipedia.org)
  • Moreover, unlike other aesthetic adhesive materials, such as composite resins, adhesion to dental structures of GIC is less sensitive to technique and its quality increases with time 10 . (bvsalud.org)
  • High biocompatibility - zinc phosphate cement is considered the most biocompatible material with a low allergy potential despite the occasional initial acid pain (as a consequence of inadequate powder/liquid ratio) Non irritant. (wikipedia.org)
  • Cements indicated for liners and bases include: Zinc oxide eugenol Zinc polycaroxylate RMGIC Pulp capping is a method to protect the pulp chamber if the clinician suspects it may have been exposed by caries or cavity preparation. (wikipedia.org)
  • RMGIC GIC Zinc Polycarboxylate cement Zinc oxide eugenol luting cement ISO classification Cements are classified on the basis of their components. (wikipedia.org)
  • Non-aqueous/ oil bases acid-base cements: Zinc oxide eugenol and Non-eugenol zinc oxide. (wikipedia.org)
  • Glass ionomer cements then came from the replacement of the zinc oxide by an ionizable reactive glass. (bvsalud.org)
  • The polycarboxylate cements were the first materials to provide adhesion to tooth structures, mainly produced by the polyacrylic acid to ensure their biocompatibility, because it is a weak and high molecular weight acid, which does not diffuse through the dentinal tubules. (bvsalud.org)
  • This article determines the compressive and diametral tensile strength of two titanium-reinforced composites (Bis-GMA-based),Ti-Core and Flexi-Flow cem with titanium and compares their strengths to dentin and commercially available core materials and cements. (docksci.com)
  • This study determined the compressive and diametral tensile strength of two titanium-reinforced composite systems and compared their strengths to commercially available core materials, cements and dentin. (docksci.com)
  • Energy-dispersive spectroscopy (EDS) was used to determine the elemental composition of the enamel and dentin. (bvsalud.org)
  • NJ 07606 8 1992 Decker Periodicals Inc. such as increases in compressive and tensile strength.1e1e For example, fillers such as quartz glass, barium glass, zirconia-silica, amorphous silica, micas, glass powders, alumino silicates, silicon dioxide, and many others have all been used to enhance the physical characteristics of a given dental resin. (docksci.com)
  • One of the aims of this experiment was to see if the addition of titanium with conventional fillers to a BisGMA-based dental resin resulted in significantincreases in the compressiveand tensile strength. (docksci.com)
  • This was also accomplished by the composition of the pre-polymerised fillers corresponding to the composition of the composite itself. (allfordentist.com)
  • The cast crown is then cemented onto the prepared tooth, and the patient will leave the office with a fully restored tooth. (draristide.ro)
  • Titanium is well known in dental literature as a chemically inert metal with excellent biocompatibility and anticorrosive Addition of titanium with conventional flllers was performed on two different viscosity consistencies that included a low viscosity post cement (FlexiFlow cem with titanium, Essential Dental Systems, S. Hackensack, NJ) and a higher viscosity core build-up paste (Ti-Core, Essential Dental Systems). (docksci.com)
  • Luting materials are used to cement fixed prosthodontics such as crowns and bridges. (wikipedia.org)
  • Traditionally cements have separate powder and liquid components which are manually mixed. (wikipedia.org)
  • A colloidal mixture results by mixing sterile water and powder preparation forms which set to form hardened cement. (opendentistryjournal.com)
  • The conference's theme will be "Gathering Talents and Gathering Power, Talking about Smart Concrete," co-sponsored by the Guangzhou Concrete Industry Association and Guangdong Hongwei International Exhibition, responsible persons from the Guangzhou Municipal Bureau of Housing and Urban-rural Development, Municipal Bulk Cement and Building Energy Conservation Management Center as well as Concrete Industry Experts as well as representatives from downstream and upstream companies participated at the show. (slapjaws.com)
  • Polycarboxylate superplasticizer is used primarily in cement concrete to act as a dispersant. (slapjaws.com)
  • The role of a polycarboxylate superplasticizer is primarily to disperse cement particles more evenly by adhering to concrete particles' surfaces, decreasing the amount of water needed, and increasing the strength and flexibility of concrete in the process. (slapjaws.com)
  • Compared to traditional water-based water-reducing agents, polycarboxylate agents have a higher water reduction rate and workability that can significantly enhance the performance and strength of concrete. (slapjaws.com)
  • Polycarboxylate Superplasticizer is commonly employed in cement concrete as a dispersant. (slapjaws.com)
  • In highway engineering, superplasticizers made of polycarboxylate are used to make high-performance highway concrete, which can increase durability and wear endurance on the surface of roads. (slapjaws.com)
  • When it comes to bridge design, superplasticizers made of polycarboxylate can be used to create bridge concrete with great strength and fluidity to increase bridges' bearing capacity and service life. (slapjaws.com)
  • The high water-reducing capacity and high workability of the polycarboxylate superplasticizers can significantly enhance Bridge concrete's performance, increase the uniformity and compactness of concrete, lessen the formation of bridge cracks, and consequently increase the longevity and safety of bridges. (slapjaws.com)
  • Utilizing polycarboxylate superplasticizers will increase the resistance and impermeability of concrete dams and effectively stop cracks and leakage, improving the dam's stability and security. (slapjaws.com)
  • Dental cements have a wide range of dental and orthodontic applications. (wikipedia.org)
  • Generally, they can be classified into categories: Water-based acid-base cements: zinc phosphate (Zn3(PO4)2), Zinc Polyacrylate (Polycarboxylate), glass ionomer (GIC). (wikipedia.org)
  • Glass ionomer cements (GICs), also known as glass polyalkenoic cement, has a fundamental role in current Dentistry. (bvsalud.org)
  • Resistant to dissolution in saliva, or other oral fluid - a primary cause of decementation is dissolution of the cement at the margins of a restoration. (wikipedia.org)
  • Resin cements are no cements in a narrower sense, but rather polymer based composite materials. (wikipedia.org)
  • Studies of fatigue associated with composite resins have shown that there is a strong correlation between fatigue and the compressive and diametral tensile strength of dental compositeresin materials. (docksci.com)
  • Common uses include temporary restoration of teeth, cavity linings to provide pulpal protection, sedation or insulation and cementing fixed prosthodontic appliances. (wikipedia.org)
  • Recent uses of dental cement also include two-photon calcium imaging of neuronal activity in brains of animal models in basic experimental neuroscience. (wikipedia.org)
  • page needed] Dental cements can be utilised in a variety of ways depending on the composition and mixture of the material. (wikipedia.org)
  • The following categories outline the main uses of cements in dental procedures. (wikipedia.org)
  • The applications of polycarboxylate superplasticizers in these areas will be described below. (slapjaws.com)
  • Also included in this study are the scanning electron microscope photographs (SEM) of the titanium-reinforced post cement, Flexi-Flow cem with titanium and the titanium-reinforced core material, '&Core. (docksci.com)
  • Polycarboxylate cement is considered the most sensitive type due to the properties of PAA. (wikipedia.org)
  • SEMs revealed that the titanium was uniformly and homogeneously interspersed within the resin matrix of the material. (docksci.com)
  • These two types are similar but have slight differences in chemical composition [ 14 ], the presence of the trace minerals gives the dark grey appearance of grey MTA[ 15 ]. (opendentistryjournal.com)
  • Statistically (ANOVA,one-way analysis of variance), these titanium-reinforced composites are stronger in compressive and tensile strength than Ketac-Silver, Flecks zinc cement, Durelon, Ketac-Cem, and GC Miracle Mix. (docksci.com)
  • When it comes to dam design, superplasticizers made of polycarboxylate are used to make high-strength, high-impermeability dam cement to increase the stability and security of the dam. (slapjaws.com)