ORTHODONTIC BRACKETS
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United States of America Patent
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N/A
Issued Date -
Mar 19, 2009
app pub date -
Aug 29, 2008
filing date -
Sep 18, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Polymeric resin matrix phase (thermoplastic, thermosetting or biomass) is reinforced with fiber filament or fine particles to enhance the mechanical properties (particularly, bending strength and bending stiffness), impact strength while keeping its original transparency. Plastic brackets (either previously reinforced as mentioned above or un-reinforced) can be surface-treated by plasma coating with thin film or simply ultra violet radiation to enhance the surface mechanical properties as well as anti-frictional force against the archwire's movement while again maintaining its transparency. Accordingly, the present invention can provide orthodontic brackets made of plastics with high mechanical strengths and clearness, so that aesthetic appearance is improved.
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Family
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Cited Art Landscape
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