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Finishing composite restorative materials.

F Wilson1, J R Heath, D C Watts

  • 1Department of Restorative Dentistry, University of Manchester, U.K.

Journal of Oral Rehabilitation
|January 1, 1990
PubMed
Summary
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For dental composite restorations, Soflex discs provide the smoothest surface finish after trimming. Other methods like polishing pastes or prior smoothing with stones are less effective for achieving optimal smoothness.

Area of Science:

  • Dental Materials Science
  • Restorative Dentistry
  • Biomaterials Engineering

Background:

  • Composite restorative materials are widely used in dentistry.
  • Achieving a smooth surface on trimmed composites is crucial for aesthetics and longevity.
  • Various finishing and polishing techniques exist, but their comparative efficacy needs evaluation.

Purpose of the Study:

  • To compare the effectiveness of different finishing and polishing methods for seven composite restorative materials.
  • To identify the optimal technique for achieving the smoothest surface on trimmed composite restorations.

Main Methods:

  • An in vitro study simulating clinical conditions was conducted.
  • Seven different composite restorative materials were tested.

Related Experiment Videos

  • Surfaces were trimmed and then subjected to different smoothing protocols, including Soflex discs, stones/points, and polishing pastes with intermediate agents.

    • Main Results:

    • Soflex discs consistently produced the smoothest surface among all tested materials.
    • Initial smoothing with stones or points offered minimal additional benefit when followed by disc polishing.
    • Polishing pastes, even with intermediate agents, resulted in significantly rougher surfaces compared to Soflex discs.

    Conclusions:

    • Soflex discs are the most effective method for smoothing trimmed composite restorative material surfaces.
    • Pre-polishing with stones or points is not recommended when using Soflex discs.
    • Polishing pastes are less effective than disc systems for achieving a smooth composite surface.