Lumileds (San Jose, CA) is supplying 460-nm (blue) LED light sources for curing dental filling polymers. Rather than conventional halogen lamps, which need to be filtered and produce high heat with short lifespans, the LEDs enable small, easily positioned hand pieces. The cool beam is safer to handle and, when turned on, is immediately at full illumination.
An in-depth survey of 700 current and future users of 3D printing holds few surprises, but results emphasize some major trends already in progress. Two standouts are the big growth in end-use parts and metal additive manufacturing (AM) most respondents expect.
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