ArticleBMC oral health2025
Repeatability of color measurements in multi-shade and single-shade resin composites of different thicknesses at different times: spectrophotometer versus mobile phone color applications.
Article in BMC oral health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveThe aim of this study was to evaluate the short- and long-term repeatability of a spectrophotometer and three mobile phone color applications (MCAs) on the iPhone Operating System (iOS) platform for color differences of single-shade and multi-shade resin materials of different thicknesses. MATERIALS AND
methodsA spectrophotometer (Vita Easy Shade V) was used as a reference instrument. Three MCAs were used: ColorMeter RGB, Color Analyzer-Iro Shirabe, and Color Info Cam. Color measurements were performed on 1-mm and 2-mm thick specimens of resin composites: Charisma Smart (CS) / A1-A2-A3; Charisma Diamond One (C); Opallis (OP) / E1-E2-E3; Vittra APS Unique (V); Estelite Sigma Quick (ES) / A1-A2-A3; and Omnichroma (O) (n = 8). The specimens were measured at three time periods: Day 0 (t
resultsThe resin composites' main effects were statistically significant for MCDM
conclusionThe spectrophotometer showed the highest repeatability over the times tested. The ColorMeter showed the highest repeatability among MCAs. The mobile phone color apps provided accessible and cost-effective color measurements, although their accuracy was inferior to that of spectrophotometers. CLINICAL TRIAL NUMBER: Not applicable.
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