Dentistry – Apparatus – Having absorption means or means to isolate tooth or mouth...
Reexamination Certificate
2006-12-26
2006-12-26
Lewis, Ralph A. (Department: 3732)
Dentistry
Apparatus
Having absorption means or means to isolate tooth or mouth...
C433S215000
Reexamination Certificate
active
07153134
ABSTRACT:
A device for retracting gingival tissue away from a tooth or plurality of teeth prepared to receive a dental prosthesis comprising a retraction material associated with a provisional restoration to be packed into a sulcus associated with the prepared tooth. The device is preferably compressible, deformably rigid, extensile and non-elastic and will not stick to the gingiva or tooth structure thereby allowing for atraumatic removal leaving a dry open sulcus. A method of use is also disclosed.
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