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Staining potential differences between an infiltrative resin and an esthetic, flowable composite.

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The color change of dental restorative materials like infiltrative resin and flowable composite depends on the beverage. Staining potential varies by drink, not material type.

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Area of Science:

  • Dental Materials Science
  • Restorative Dentistry
  • Color Science

Background:

  • Dental restorations are susceptible to discoloration from dietary factors.
  • Understanding the staining potential of different restorative materials is crucial for clinical practice.
  • Flowable composites and infiltrative resins are common restorative materials with varying compositions.

Purpose of the Study:

  • To compare the color change magnitude of an infiltrative resin and a flowable composite resin.
  • To assess the impact of commonly consumed beverages on the color stability of these materials.

Main Methods:

  • Specimens of flowable composite (Filtek Supreme Ultra Flowable) and resin infiltrative product (Icon) were prepared.
  • Baseline color parameters (CIE L*a*b*) were recorded using a colorimeter.
  • Specimens were immersed in Kool-Aid, coffee, Coca-Cola, and tap water for one week at 37°C.
  • Color change (ΔE00) was calculated and statistically analyzed.

Main Results:

  • Kool-Aid caused the most significant color change in flowable composite compared to infiltrative resin.
  • No significant color change differences were observed between materials immersed in coffee.
  • Coca-Cola and water resulted in the lowest, visually imperceptible color changes (ΔE00 <0.8) for both materials.

Conclusions:

  • The color change potential of infiltrative resins and flowable composites is highly dependent on the type of beverage.
  • No universal trend indicates one material type is more susceptible to staining across all beverages.
  • Beverage type, not the presence or absence of fillers, appears to be the primary factor influencing color change.