Dentistry – Method or material for testing – treating – restoring – or... – By filling – bonding or cementing
Patent
1993-07-27
1995-06-20
Lucchesi, Nicholas D.
Dentistry
Method or material for testing, treating, restoring, or...
By filling, bonding or cementing
4332281, A61C 504
Patent
active
054256410
ABSTRACT:
Dental compositions used in sealing pits and fissures in tooth enamel to aid in the prevention of dental caries are disclosed, along with methods for their use. The enamel is cleaned and prepared using conventional methods, etched with either aqueous phosphoric acid or citric acid, treated with a drying/priming agent containing either anhydrous ethyl alcohol or anhydrous acetone and the adduct of N(p-tolyl)glycine and glycidyl methacrylate ("NTG-GMA"), and sealed with a resinous sealing material which includes 2,2-bis(hydroxyphenyl)propane diglycidylmethacrylate.
The sealing material may also include other additives such as filler materials, thinning agents, hydrophilic resins, and photoinitiators. The compositions may be adapted to be applied by means of a syringe delivery system.
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Lucchesi Nicholas D.
Ultradent Products Inc.
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