Dental articles including post-formable multilayer optical films
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United States of America Patent
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Jul 18, 2006
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N/A
app pub date -
Jun 15, 2004
filing date -
Jul 31, 1998
priority date (Note) -
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Abstract
Dental articles including at least one optical surface formed of a multilayer optical film including layers of at least one strain-induced birefringent material are disclosed. The multilayer optical films included in the dental articles is preferably post-formed into desired non-planar shapes in manners that result in some deformation of the optical stack of the multilayer optical films. A variety of dental implements can be constructed with multilayer optical film including dental mirrors, light guides for use in connection with photo-curing dental materials, and matrix bands for use in molding photo-curing dental restoratives.
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