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Related Experiment Videos

Alcohol-containing mouthwasheses: effect on composite color

L Settembrini1, B Penugonda, W Scherer

  • 1Division of Restorative Dentistry and Prosthodontic Sciences, New York University College of Dentistry, New York 10010, USA.

Operative Dentistry
|January 1, 1995
PubMed
Summary
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Commercially available mouthwashes can alter the color of hybrid composite resins over six months. However, most color changes were not clinically significant, indicating good durability for dental restorations.

Area of Science:

  • Dental Materials Science
  • Restorative Dentistry
  • Color Science

Background:

  • Hybrid composite resins are widely used in dental restorations.
  • Maintaining the aesthetic appearance of composite restorations is crucial for patient satisfaction.
  • The long-term effects of common oral hygiene products on composite resin color stability are not fully understood.

Purpose of the Study:

  • To evaluate the potential color changes in hybrid composite resin after exposure to commercial mouthwashes.
  • To quantify color differences using established colorimetric parameters.
  • To determine the clinical significance of observed color variations.

Main Methods:

  • Fabrication of 24 hybrid composite resin disks, divided into eight groups.
  • Baseline colorimetric measurements (L*, a*, b*) using a Chroma Meter CR-300.

Related Experiment Videos

  • Daily immersion of disks in specific mouthwashes for 2 minutes over a 6-month period.
  • Post-immersion color difference (delta E) calculations.

    • Main Results:

    • Exposure to mouthwashes over six months resulted in color variations in the hybrid composite resin.
    • Most mouthwash products caused color changes that were not clinically significant (delta E < 3.3).
    • One specific mouthwash product induced a clinically significant color change.

    Conclusions:

    • Six-month daily use of most commercial mouthwashes does not lead to clinically significant color changes in hybrid composite resins.
    • Dental professionals should be aware that certain mouthwash formulations may impact the aesthetics of composite restorations.
    • Further research may be needed to identify specific mouthwash ingredients responsible for color alteration.