Howard E. Strassler, DMD, and Richard B. Price, BDS, DDS, MS, PhD, discuss the variables that affect light curing, as well as other important factors for successful light curing. This article is peer-reviewed and available for 2 hours of CE credit. Learning Objectives: After participating in this CE activity, the individual will learn: Key CORE variables that affect the success of light curing restorations. How to monitor and maintain curing lights to ensure optimal light curing.