A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
240/154, 83/30
A61C 19/00 (2006.01) A61C 13/15 (2006.01) C08F 2/48 (2006.01) G02B 6/42 (2006.01)
Patent
CA 1258448
Abstract Apparatus as provided for generating a condensed beam of light having a limited degree of scatter, or deviation, comprising light collimating means for providing a source of collimating light and light condensing means operatively connected to the collimating means, such as a truncated cone with a reflective inner surface, the condensing means providing a light beam output having a light divergence limited to about 30° or less. The low divergence beam generating apparatus might be incorporated into larger dental apparatus which can be operator manipulated to provide different modes of light output, which modes include the condensed beam with and without a bandpass of visible wavelengths. In practicing the method of this invention, particularly with respect to dental applications such as curing restorative materials placed in one or more teeth of a patient's oral cavity, the low divergence beam is directed at the teeth from a distance of about 1 cm, enabling reduced operator dependence in the process of curing the restorative materials.
453440
Dentsply International Inc.
Smart & Biggar
LandOfFree
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