A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
A61C 13/15 (2006.01) H01L 33/00 (2006.01)
Patent
CA 2403413
A light hardening device is provided for hardening a light hardenable mass applied for dental purposes that has a first light emitting diode for emitting light at a range of intensities corresponding to a set of wavelengths which at most only partially overlap a range of light sensitivities of a photo initiator comprised in the mass. The light hardening device also includes a second light emitting diode for emitting light at a range of intensities corresponding to a set of wavelengths which overlap the set of photo initiator light sensitivities to a relatively greater extent than the partial overlap of the range of first light emitting diode intensities with the range of photo initiator light sensitivities.
Burtscher Peter
Plank Wolfgang
Rohner Gottfried
Fetherstonhaugh & Co.
Ivoclar Vivadent Ag
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