Dentistry – Orthodontics – Method of positioning or aligning teeth
Reexamination Certificate
2008-09-24
2011-12-13
Yoon, Tae H (Department: 1762)
Dentistry
Orthodontics
Method of positioning or aligning teeth
C433S180000, C523S120000
Reexamination Certificate
active
08075307
ABSTRACT:
Methods and systems for temporarily coating intra-oral devices (e.g., orthodontic brackets and/or wires) so as to reduce discomfort to soft tissues within a patient's mouth. One embodiment of such a system includes at least one orthodontic bracket or orthodontic arch wire and a two-part polymerizable temporary coating composition for use in coating selected surfaces of the brackets and/or wires. One silicone polymerizable two-part composition includes a vinyl siloxane component, a cross-linking component, and a catalyst activator initially divided between the two parts so that at least one of the components is kept separate from at least one other component (i.e., all three components are not initially commingled). Upon mixing of the first and second parts, the composition begins to polymerize.
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Jessop Neil T.
Tuttle Richard D.
Ultradent Products Inc.
Workman Nydegger
Yoon Tae H
LandOfFree
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