A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
A61C 13/15 (2006.01) H01L 33/00 (2006.01) A61C 19/00 (2006.01)
Patent
CA 2386055
A light hardening apparatus for effecting the photopolymerization of a light hardenable dental restoration material is provided and includes a plurality of light sources supported on semi-conductor bases, which are mounted on a substrate. The light sources are arranged in at least two light source groups such that one group of light sources is disposed for irradiating a region of the dental restoration material and another group of light sources is arranged for irradiating a different region of the dental restoration material. The two groups of light sources are controllable to irradiate their respective associated regions of the dental restoration material independently of one another.
Burtscher Peter
Plank Wolfgang
Rohner Gottfried
Fetherstonhaugh & Co.
Ivoclar Vivadent Ag
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