Shetty, V., 		Chudasma, K., 		Barik, S., 		Patil, S., 		Shetty, H., & 		Sachdev, S.
(2023).
 Effect of Different Polishing Systems on the Colour Stability of Nano-Filled Composite Stained by Common Food Colourants: An In-Vitro Spectrophotometer Analysis.
<em>Medical Research Archives, 11</em>(12).
doi:10.18103/mra.v11i12.4861