Which option best describes the outcome of finishing and polishing after a composite restoration, beyond aesthetics?

• A. To remove the restoration entirely
• B. To create a rough, plaque-friendly surface
• C. To reveal a color mismatch
• D. To create a smooth, plaque-resistant surface and reduce microleakage

Answer: (D)

Finishing and polishing after a composite restoration aims to optimize the surface for longevity and oral health, not just appearance. The best outcome is to create a smooth, plaque-resistant surface and reduce microleakage. A polished, low-roughness surface resists plaque accumulation and bacterial adherence, which helps protect the margins from degradation and lowers the risk of postoperative sensitivity and recurrent decay. Finishing removes irregularities and flash, while polishing finalizes a smooth texture that supports a better marginal seal. Leaving a rough surface or focusing on color match would not provide these functional benefits.