P-26 Effect of a trial shining abrasive based from diatomite to the denture acrylic resin

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  • P-26 試作珪藻土基研磨材の床用レジンに対する研磨効果(器械・技術,一般講演(ポスター発表),第64回日本歯科理工学会学術講演会)

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The purpose of this study was to estimate the polishing effect of experimental diatomite-based abrasive to the denture acrylic resin. Diatomite powder from gelled alginate impression material was added into the inlay waxes as a shining abrasive. Circular acrylic resin plates (φ25mm × 3mm) were prepared and polished using them. After polishing for 30 seconds, surface glossy and roughness of specimens was measured. A wax bur without the diatomite, with reagent-grade diatomite and commercial polishing agent were also investigated. Obtained data suggested that the diatomite obtained from alginate impression material was useful as a polishing agent for denture base resin.

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