FIELD: medical engineering; dentistry. SUBSTANCE: device has casing having light filter mounted in the end face opening and connected with light guide as well as light source with selective reflector and heat exchange control system having an additional light filter mounted inside the casing. The light filter has radiation frequency band width belonging to the working frequency range. The device also has temperature control system with heat reflector placed between the light source and the casing. The band width of the additional light filter belongs to the infrared range and is fixed in the special opening of the casing. EFFECT: enhanced reliability of filler; prevented heat losses. 1 dwg
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