Why is it important to maintain minimal surface roughness (< 0.2 µm) on composite restorations after polishing?
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Correct answer: To reduce plaque, staining, and improve longevity
A smoother surface reduces plaque accumulation, resists staining, is easier to clean, and thus enhances the restoration’s longevity and oral health.
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More Finishing and Polishing Restorations questions
- Which factor can influence the effectiveness of a finishing and polishing procedure on composite restorations?
- What is a recommended practice to reduce aerosol and vapour exposure during finishing and polishing of restorations?
- Which restoration type also requires finishing and polishing similarly to composite restorations, though technique may differ?
- Which of the following is true regarding the effect of filler particles on composite polishability during finishing and polishing?
- For ceramic or porcelain restorations, why might special polishing systems be needed compared to composite resin restorations?
- Which outcome is least likely if a restoration is properly finished and polished?