The comparison of a dentin adhesive with calcium hydroxide as a pulp-capping agent on the exposed pulps of human and sheep teeth.
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Dentin surfaces abraded with #600-grit SiC paper were used as control. Three methods of surface treatment (sono-abrasion, air-abrasion and Er:YAG laser irradiation) were used under specific
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A flat superficial dentin surface of each tooth was exposed after wet grinding the occlusal enamel with a #200 grit silicon carbide paper (SiC). The surface was further wet polished with a #400 and #600 grit SiC paper in four different directions, during 10 seconds each, to …
A flat dentin surface was exposed after wet grinding the occlusal enamel on #180-grit silicon-carbide (SiC) paper. The exposed dentin surfaces were further polished on wet #600-grit SiC paper for 60 s to create a standardized smear layer.
Evaluation of adhesive systems in primary dentin grinding the occlusal enamel with a #200 grit silicon carbide paper (SiC). The surface was further wet polished with a #400 and #600 grit SiC paper in four different directions, during 10 seconds each, to standardize the smear layer.
All blocks were individually eedded in acrylic resin. The exposed enamel surface was ground with water-lubried silicon-carbide paper (SiC) of decreasing grit (#600 and 1200). The specimens were then polished using a metallographic cloth (SUPRA - Arotec, São Paulo-SP, Brazil) with 1-μm diamond suspension (Buehler, Chicago, IL, USA).
Twelve groups were randomly formed, according to the coination of laser energies (200, 250, 300, and 350 mJ) and pulse repetition rates (2, 3, and 4 Hz), usually advised for cavity preparation. The final mass was obtained, and dentin mass loss was calculated by the difference between the final and initial mass.
Narrow round brushes with ceramic grit (CO) filling are mainly used for deburring, cleaning and grinding components made of steel, plastic and NF-metals. In contrast to brushes with silicon carbide (SiC) edging, the red grinding brushes are interspersed with ceramic grit.
In 16 teeth, a flat occlusal dentin surface was exposed after wet grinding the occlusal enamel with #180-grit silicon-carbide (SiC) paper for 60 s. The exposed dentin surfaces were further polished with wet #600-grit SiC paper for 60 s to standardize the smear layer. Ten teeth were used for evaluation of the resin–dentin microtensile bond
The etched dentin surfaces of Group 1 were specimens were fixed on glass slides with cyanoacrylate glue and treated for 60 sec with a water solution of 0.1% riboflavin-5- flattened to approximately 40 μm in thickness with 600-, 800-, phosphate (2 mmol/L), gently air-dried, and exposed to UVA rays 1200-, and 2400-grit SiC paper under running
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2019-2-24 · AVAILABLE GRIT SIZE PRODUCT 1200 1000 800 600 500 400 360 320 280 240 220 180 150 120 100 80 60 50 40 36 30 24 16 CODE Silicon carbide is recommended for sanding varnish and lacquers. Zirconium oxide and ceramic based E Paper 250 g/m2 Strong Sanding F Paper 270 g/m2 Very strong and sizing. COATED ABRASIVES 8
To elucidate further this possible hazard, the cancer morbidity and the total mortality pattern was studied among 521 men manufacturing abrasive materials who had been exposed to aluminum oxide, silicon carbide, and formaldehyde. Total dust levels were in the range of 0.1 - 1.0 mg/cu m. The cohort was followed up from 1958 until Deceer 1983.
A study by Srivatsan et al. indied that increasing the SiC in the aluminium metal matrix composite results in the high The samples were surface ground with 1200 grit emery paper and polished with 9 μm Influence of silicon carbide particulate reinforcement on quasi static and cyclic fatigue fracture behaviour of 6061 aluminium alloy
2018-3-14 · USA) was used with 600 grit silicon carbide (SiC) papers shaping the blocks into cylinders. Afterward, the cylinders were cut under water irrigation with a diamond saw (ISOMET 1000, Buehler) in slices of 1.65 mm thickness. Then the specimens were polished with a 1200-grit Sic paper …
2016-3-2 · Effect of UVA-activated riboflavin on dentin bonding. (PMID:21940521 PMCID:PMC3215759) Italy) under water irrigation, and a standardized smear layer was created with wet 600-grit silicon-carbide (SiC) paper. Dentin was etched for 15 sec with 35% phosphoric-acid gel (Dentsply DeTrey GH, Konstanz, Germany), rinsed with water, and kept moist
Propolis is a natural substance produced by bees and is known to have antimicrobial activity. Our aim was to evaluate the antimicrobial effect of micellar nanocomposites loaded with an ethyl acetate extract of Brazilian red propolis as a cavity cleaning agent and its influence on the color and microtensile bond strength (μTBS) of the dentin/resin interface.
2014-5-20 · Effect of a Novel Quaternary Ammonium Methacrylate Polymer (QAMP) on Adhesion and Antibacterial Properties of Dental Adhesives. A flat dentin surface was exposed after wet grinding the occlusal enamel on #180-grit silicon-carbide (SiC) paper. The exposed dentin surfaces were further polished on wet #600-grit SiC paper for 60 s to create a
The exposed dentin surface was wet-abraded with 600-grit silicon carbide paper for 60 s to create a standardized smear layer. Then, the dentin surfaces were examined under a stereomicroscope at 40× magnifiion for the presence of enamel.
A method of depositing boron carbide on an aluminum substrate, particularly useful for a plasma etch reactor having interior surfaces facing the plasma composed of boron carbide, preferably principally composed of B 4 C. Although in this appliion, the boron carbide may be a bulk sintered body, in the method of the invention it may be a layer of boron carbide coated on an aluminum chaer part.
The energy density is deﬁned as the amount 600-grit silicon carbide (SiC) paper (Buehler Ltd., Lake Bluff, Il 60044-1699) to ﬂatten an enamel area of at least of energy used in a determined area and it is inver- 3 mm. Additional polishing was accomplished with no. sely proportional to the diameter of the laser beam.8 1200-grit SiC paper for