| 摘要 |
PCT No. PCT/DE86/00191 Sec. 371 Date Jan. 23, 1987 Sec. 102(e) Date Jan. 23, 1987 PCT Filed May 9, 1986 PCT Pub. No. WO86/06614 PCT Pub. Date Nov. 20, 1986.A hand held device for providing local irradiation with visible or invisible light to defined processing points of tooth fillings for hardening tooth fillings during dental treatment includes a housing containing a light source for emitting visible or invisible light, a light conductor optically coupled to the light source which transmits visible or invisible light to the processing points, a fan for cooling the light source and a rechargeable battery and means for counting the times the light source is activated.
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