Effects of common beverage colourants on colour stability of dental composite resins: The utility of a thermocycling stain challenge model in vitro

Conclusions Colour stability of FiltekSU is inferior to that of TPH3 and Renamel. The thermocycling stain challenge model can potentially differentiate surface staining that can be removed by brushing from true discolouration of the material that is refractory to oral hygiene procedures. (Source: Journal of Dentistry)

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