Top surfaces of ten specimens from each material were finished using finishing discs (Sof-Lex™ Contouring and Polishing Discs Kit, 3 M Company, St. Paul MN, USA), while the other ten specimens were left unfinished. Coarse finishing discs were used for 15 s in a hand piece (MK-dent Germany, CE 0123, REF No. AM1014), using a low speed motor (STRONG, model no 204, Seoul South Korea) at 10,000 RPM with moderate pressure according to manufacturer instructions. Spiral finishing wheels (Sof-Lex™ Spiral Finishing and Polishing Wheels, 3 M ESPE Company) were then used for 30 s at 15,000 RPM, followed by spiral polishing wheels for 30 s at same speed. Specimens were then washed with distilled water for 30 s and blot dried with paper towels. An initial color and translucency parameter measurement was taken using a spectrophotometer (UV- Shimadzu 3101 PC, Japan) on a white and a black standard background plates as a baseline measurement before staining procedures. Prior to measuring, the spectrophotometer was calibrated on NPL (national physical laboratory) tiles. Measurements were repeated three times for each specimen; the mean and standard deviation of the readings were calculated. The wavelength scan in the measurements was carried out from 380 to 780 nm.
Sof lex contouring and polishing discs kit
Manufactured by 3M
Sourced in United States
The Sof-Lex™ Contouring and Polishing Discs Kit is a set of abrasive discs designed for dental professionals. The kit includes discs of varying grits that can be used for contouring and polishing dental restorations and surfaces.
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Lab products found in correlation
2 protocols using sof lex contouring and polishing discs kit
1
Finishing and Polishing of Dental Specimens
2
Composite Materials Preparation and Characterization
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Plates made of the two composite materials, 10×2 mm in size, were prepared in a split mould. The material was placed between two microscopic plates, 1 mm thick, covered in celluloid Mylar strips, whereby a flat surface was obtained, and the surplus material was squeezed out without any bubbles forming. The samples were polymerized through a glass plate using a cordless LED lamp (Elipar™ FreeLight 2 LED Curing Light, 3M ESPE, St. Paul, MN, USA) for 20 s on both sides. Before polymerization, the power of the LED lamp was checked using a radiometer, and it was shown to be more than 1000 mW/cm 2 . The thickness of all samples was checked with callipers. In order to standardize the surfaces and create clinical-like conditions, all the samples were polished using fine and superfine paper discs (Sof-Lex™ Contouring and Polishing Discs Kit, 3M Company, St. Paul MN, USA) fixed in a contra-angle handpiece at reduced speed for 10 s, with moderate pressure. After the samples had been prepared, they were placed in distilled water for 24 hours at 37°C to complete the polymerization process.
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