Gloss values linked to acceptability of resin composites, Study reveals
According to a recent research published in the Journal of American Dental Association, it has been found out that gloss values of 40 through 50 GU are considered to be clinically acceptable for resin composites.
The esthetic success of a restoration is directly related to its optical appearance. Surface roughness, surface gloss and color are among the important factors that dominate the perceived visual appearance of resin composite restorations. Correlations among these factors might differ by resin composite and shade; however, information on such correlations is limited.
Hence, Juliana B. da Costa and colleagues carried out this study with the objective to compare dentists' perceptions of gloss values of composite specimens with increased levels and to identify the gloss value considered to be clinically acceptable.
Disk-shaped composite specimens were finished and polished 3 ways: metallurgically using silicon carbide papers and alumina paste, manually using Enhance finisher and PoGo polisher (EP) (Dentsply Sirona), and manually using Sof-Lex (SLex) disks (3M). Specimens were produced with surface gloss ranging from 0 through 100 gloss units (GU) in increments of approximately 10 GU as measured with a glossmeter.
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