PROBLEM TO BE SOLVED: To provide a dental light irradiator capable of producing a light output with sufficient intensity and quantity and realizing high density mounting of an LED serving as a light emitting element. SOLUTION: In this dental light irradiator, a plurality of LED pellets 4 are arranged in a plurality of recess parts 82 arranged on a base board 81, and electrodes of the LED pellets 4 are connected to conductive passages 83 arranged in the end faces defining the recess parts 82 via wiring 85 based on wire bonding.
