A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
A61C 3/00 (2006.01) A61C 9/00 (2006.01) A61C 19/06 (2006.01)
Patent
CA 2441907
This invention relates to a dental appliance for displacing gingival tissue during a restoration procedure. The dental appliance comprises a flexible polyurethane foam pad having a central opening extending through the pad's thickness. The central opening is configured to receive a tooth therethrough, and the foam pad has a size, shape and flexibility sufficient to deflect gingival crest surrounding the tooth. The dental appliance can be made from an open celled foam that is effective to retain a medicament for release onto the gingival tissue. A temporary crown can be used to push the dental appliance over a prepared tooth and onto the gingival crest surrounding the tooth, such that the entire gingival crest is simultaneously displaced.
Matheson Graham
Dr. Graham Matheson Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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