Kim MJ, et al. – The focus of the presented study was to examine temperature rise in the composite and dentin of a class I cavity in extracted human molars under different restoration conditions, including the use of different composite types, layering methods, and curing lights. Real–time thermographic analysis showed that the composite type and layering method did not influence the temperature rise at the pulpal side of dentin during the composite restoration of an occlusal preparation in a tooth. However, the amount and initial rate of temperature increase were most affected by the radiant exposure of the light curing unit.