Dentistry – Apparatus – Having intra-oral dispensing means
Reexamination Certificate
2004-01-28
2009-10-06
Lewis, Ralph A (Department: 3732)
Dentistry
Apparatus
Having intra-oral dispensing means
C433S040000, C433S080000
Reexamination Certificate
active
07597556
ABSTRACT:
A tabbed carrier for a dental restoration composite and a pre-packaged unit of composite for performing an aesthetic restoration. The unit is mounted on a polymeric film carrier material and is covered and sealed with the same or otherwise suitable covering film. The carrier film may be an elongated strip containing serially placed units of composite, each readily separable from the strip for individual usage. This packaging is in light restrictive outer packaging since the preferred unit of composite is of a light-cured material such as bis-GMA. In preferred packaging, the unit dose is singular and applicable to the tooth surface with the film carrier which is adapted with tabs to facilitate handling and the draping or damming of the subject tooth from adjacent teeth to facilitate application of the composite. The tabbed carrier enables the composite to be worked, i.e., shaped or formed on the tooth with the film intermediate the composite and the customary forming tools. In preferred embodiments, the tabbed carrier has the composite mounted on a clear carrier film which includes embrasure tabs for selective insertion in the embrasure between the teeth, and in a further preferred embodiment, the carrier film includes an incisal tab to cover the incisal edge of the tooth. The clear carrier is contained in further outer packaging which limits actinic radiation from reaching the composite.
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Berkenstock H. Roy
Lewis Ralph A
Wyatt Tarrant & Combs LLP
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