Original Article
Effect of Light Intensity and Curing Time on Color Stability of a Methacrylate-Based Composite Resin Using an LED Light-Curing Unit
Hosna Teimourian 1 
, Negin Farahmandpour 1, Maryam Zali Moghadam 2, Hoda Pouyanfar 1, Narges Panahandeh 3 *