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Procjena topografskih promjena površine Co-Cr-Mo legure poslije različitih završnih postupaka obrade (CROSBI ID 296428)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Ţălu, StefN ; Stach, Sebastian ; Klaić, Boris ; Čelebić, Asja Procjena topografskih promjena površine Co-Cr-Mo legure poslije različitih završnih postupaka obrade // Acta stomatologica Croatica, 53 (2019), 3; 264-273. doi: 10.15644/asc53/3/8

Podaci o odgovornosti

Ţălu, StefN ; Stach, Sebastian ; Klaić, Boris ; Čelebić, Asja

engleski

Procjena topografskih promjena površine Co-Cr-Mo legure poslije različitih završnih postupaka obrade

Purpose To quantify the influence of three different finishing treatments on the cobalt- chromium- molybdenum (Co-Cr-Mo) alloy surface based on stereometric analysis parameters. Materials and methods Eighteen specimens were casted from an extra-hard alloy (Wironit®, BEGO, Bremen, Germany). The samples were distributed into three groups (n = 6 samples per group) dependent on different polishing techniques applied, as follows: A group, only electropolished (EP) samples ; B group, after EP, an additional mechanical polishing process was applied to the surface by rubber discs and a polishing paste (RP) ; C group, after EP, an additional mechanical polishing process was completed by rubber discs, polishing paste and finally by a rotating deer leather wheel (RPDL). Samples were imaged by atomic force microscopy (AFM) in a contact mode, in air, at room temperature. Results The evaluation of the microtexture of the sample surface was made based on the 3-D roughness parameters. The lowest statistical surface roughness parameters were found in the RP samples, whereas the highest values were obtained from the EP samples. Conclusions The experiments described can help manufacturers identify the most appropriate parameters and their ranges within which optimal surface characteristics can be achieved.

Biocompatibility ; Co-Cr-Mo Dental Alloy ; Mechanical Polishing ; Microtexture ; Minkowski Functionals

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Podaci o izdanju

53 (3)

2019.

264-273

objavljeno

0001-7019

1846-0410

10.15644/asc53/3/8

Povezanost rada

Dentalna medicina

Poveznice
Indeksiranost