Which composite is known for having a smoother finish due to smaller particle size?

Microfill composite is recognized for having a smoother finish as a result of its smaller particle size. The key attribute of microfill composites is their fine filler particles, which contribute significantly to their polishability and aesthetic appearance. These tiny particles allow the material to achieve a smooth surface when polished, making it particularly suitable for anterior restorations where esthetics are paramount.

In contrast, conventional composites contain larger filler particles, which can enhance strength but may result in a rougher surface finish. Flowable composites have a lower viscosity and incorporate fine particles as well but are generally not as smooth as microfill composites when polished due to their slightly larger particle size and reduced filler content. Glass ionomer materials, while useful for certain applications, do not achieve the same level of smoothness and polishability due to their different composition and properties. Thus, microfill composites stand out for their ability to deliver an exceptional esthetic outcome thanks to their small particle size.