| 摘要 |
The present invention reveals an improved light-transmitting apparatus and methods for polymerizing light-hardening dental fillings of Class II resins. In the improved apparatus and methods, a magnified prism is constructed in the middle of a light-transmitting apparatus which transforms broad light from a light transmitting source to a concentrated light to the center of the focal point of the tip of the apparatus. The improved apparatus and methods permit the optionally connection of the light-transmitting apparatus to a light source.
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