Methods for making dental restorations using two-phase...

Details Methods for making dental restorations using two-phase... Methods for making dental restorations using two-phase...

2011-05-10

2011-05-10

Berman, Susan W (Department: 1765)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

C522S028000, C522S039000, C522S048000, C522S083000, C522S182000, C523S115000, C433S222100

Reexamination Certificate

active

07939575

ABSTRACT:
Methods for making dental crowns, bridges, inlays, onlays, veneers, fillings, and other restorations are provided. The methods involve using a two-phase light curing (TPLC) material. Preferably, the TPLC material used to form the dental restoration comprises a blend of polymerizable compounds; photopolymerization systems (a) and (b), and particulate filler materials (a) and (b). In a first light-curing step, curing light having a wavelength of greater than 420 nm is used to activate system (a). In a second light-curing step, curing light having a wavelength of less than 420 nm is used to activate system (b). The two step light-curing method is efficient and allows the dentist to make restorations having high mechanical strength and pleasing aesthetics.

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