Research Article

Effect of Artificial Aging Protocols on Surface Gloss of Resin Composites

Figure 2

Comparison of surface gloss in relation to (a) thermal aging, (b) chemical aging, (c) mechanical aging, and (d) light aging. Different letters indicate statistical differences within each type of resin composite; .
(a) Thermal aging
(b) Chemical aging
(c) Mechanical aging
(d) Light aging