The role of protective liners and glass ionomer in managing pulp temperature during light curing.

Background: To evaluate the thermal insulation of protective liners and glass ionomer cement during light-curing procedures.

Material And Methods: Human third molars underwent Class I preparations with dimensions 5 mm long × 4 mm wide × 4 mm deep in a standardized manner ensured a consistent ±0.5 mm dentin thickness at the pulpal floor.