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US 8,821,157 B2Granted
Orthodontic adhesives
AssigneeOrmco Corporation
InventorsRaymond F. Wong, Kevin Corcoran
Life of this patent
Estimating the term…
Abstract
An orthodontic adhesive includes a curable resin monomer component; a quaternary curing initiator system; and filler. Another orthodontic adhesive having a W/C ratio (working time to curing time ratio) of at least 10, 12, 14 or 20, includes a curable resin monomer component; a curing initiator system; and filler. The adhesives are suitable as light-curing and may include a colorant. Suitable colorants include reversible, thermochromic dyes. The adhesive may also include a resin toughening component.
Claims14
A method of bonding an orthodontic appliance to a tooth surface, comprising:
- etching the tooth surface;
- applying a bonding sealant to the tooth surface;
- applying a single component light-curable orthodontic adhesive to a surface of the orthodontic appliance;
- positioning the orthodontic appliance on the tooth surface such that the adhesive is located between the appliance and the bonding sealant;
- and
- light curing the orthodontic adhesive, wherein the adhesive comprises:
- a curable resin monomer component;
- a quaternary curing initiator system comprising:
- camphorquinone and bis(2,4,6-trimethylbenzoyl)-phenylphosphine oxide,
- octyldimethylaminobenzoate, and
- 1,1′-azobis(cyanocyclohexane);
- and
- filler.
10 more elements
Dependencies are inferred from the claim text.