fiber glass
Confocal laser scanning microscopy investigation of bond interfaces involved in fiber glass post cementation
... when fiber glass posts were bonded to dentin using different types of ...the fiber glass posts (Exacto, Angelus) to ...of fiber posts luted to root canals was affected by both location ...
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Matéria (Rio J.) vol.15 número2
... natural fiber as reinforcement of polymer composites in substitution for synthetic fiber composites such as fiber ...sisal fiber is one of the most investigated and being used in engineering ...
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Three-year follow up of customized glass fiber esthetic posts
... customized fiber glass dowel was selected due to the enlarged and fragile internal root anatomy and the remaining coronal dentin, showing an ad- equate endondontic treatment, with no periapical ...
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Mat. Res. vol.16 número3
... carbon based materials. Furthermore, the narrow and intense D band could be associated to the small nanotube diameter (≈ 20 nm) and the high intensity can be related to CNTs length. Moreover, the narrow G band is related ...
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POSSIBILITIES OF THE USE OF GRP PIPING IN THE CONSTRUCTION AND RECONSTRUCTION OF ENGINEERING NETWORKS
... optical fiber winding, which is carried out according to modern in- ternational standards of ...— fiber- glass and resin — are produced in Russia, but their production is limited, so they are ...
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Efeito de sistemas resinosos e acesso ao conduto na resistência de união de pinos de fibra de vidro cimentados à dentina radicular
... Purpose: This in vitro study assessed the effect of the access level to the root canal on the bond strength of fiber glass posts luted with different resin cements along the root canal. Materials and ...
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Lat. Am. j. solids struct. vol.8 número1
... of fiber glass-epoxy- laminate with 1%, to 10% organically modified MMT ceramic nanoclay and observed some variation in natural frequencies and also observed that 5% clay addition is optimum for improvement ...
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MATERIAL AND METHODS Material
... through test of the B, C, and D groups were greater than those in the control group. The values of the C and D groups were greater than those for the A and B groups, and differences were significant (p < 0.001).The ...
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Matéria (Rio J.) vol.15 número2
... Natural fiber composites (NFCs) are environmentally superior to glass fiber composites in most cases because [17]: (i) natural fiber production causes lower environmental impact compared to ...
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A case study undertaken recycling & reuse of glass fiber reinforced thermoset polymer wastes of composite materials industry
... Abstract Glass fibre-reinforced plastics (GFRP) have been considered inherently difficult to recycle due to both: cross- linked nature of thermoset resins, which cannot be remoulded, and complex composition of the ...
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Mat. Res. vol.15 número4
... Polyester resins are of polar nature, so the removal of surface impurities on the plant fibers is advantageous in terms of fiber-matrix adhesion, assisting both mechanical interlocking and bonding reactions ...
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Investigations On The Influence Of Process Parameters On Damage Factor During Drilling Of Glass Fiber Reinforced Composites
... of fiber reinforced ...of glass fiber reinforced ...the glass fibers namely 90 degrees, 45 degrees and random ...random fiber orientation can bring forth better holes with minimum ...
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Braz. Dent. J. vol.23 número6
... of fiber-reinforced posts abraded with airborne-particles was superior to those pretreated with 24% HP for 1 min, but both treatments were not different from 10% HP for 10 min and for the untreated posts ...
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Phenol-formaldehyde oligomers application for coatings production применение фенолоформальдегидных олигомеров для производства покровныХ материалов
... on glass fiber and paper, modified phenol-formaldehyde oli- gomers, which are possessed high physico- chemical properties, durability and chemical durability, is ...
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Разрушение волокнистых композитных материалов при длительном циклическом деформировании Destruction Of Fiber Composite Material Under Long Term Cycle Deformation
... of glass-fiber, black-reinforced and organoplast materials under the stipulation that low-cycle and high- cycle fatigue are under the stretching, pressuring, symmetric stretching-pressuring cycle, simple ...
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Braz. Dent. J. vol.26 número3
... of fiber posts promote a uniform stress distribution in the tooth, creating a mechanically homogeneous unit and reducing the risk of root fracture ...prefabricated glass fiber post was stiff (23), ...
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Braz. Dent. J. vol.24 número6
... The aim of this in vitro study was to evaluate the tensile strength of glass fiber posts submitted to different surface treatments. Forty-eight maxillary canines had their crowns sectioned and root canals ...
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Evaluation of Bond Strength and Quality of Fiber Posts Cemented With Two Cements in Asymmetric Dental Root Canal
... of fiber posts to root dentin compared to modified routine tests of ...of fiber posts in the coronal area is more affected by their adhesive system polymerization ...
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Braz. Dent. J. vol.23 número1
... Ninety glass fiber posts (Exacto; Angelus, Londrina, PR, Brazil; size 2, ...unidirectional glass fibers (87% volume) embedded in an epoxy resin matrix were used for ...
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J. Appl. Oral Sci. vol.16 número3
... with dual or chemically cured resin cements, and is also very common during fiber post cementation with resin cements. In the apical region, the adhesive system is not completely polymerized by light activation, ...
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