A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 6/027 (2006.01) A61C 5/00 (2006.01) A61K 6/05 (2006.01) A61K 6/083 (2006.01)
Patent
CA 2116099
2116099 9303682 PCTABS00020 Wet glass ionomer cement is applied to a tooth lesion. Before the cement hardens, wet amalgam is applied on top of the glass ionomer cement. The glass ionomer bonds to the tooth, and the interface of the wet cement and wet amalgam allows strong bonds to form between the glass ionomer cement and the amalgam, to provide an exceptionally strong bond between the amalgam and the tooth. Metal bases, metal salts and/or metal oxides are added to an amalgam restoration formula for use in conjunction with a glass ionomer cement to restore a tooth lesion. The additive is comprised of an amount of metal bases, metal salts and/or metal oxides, such as the powder of a polycarboxylate dental cement, sufficient to improve the bond strength between wet glass ionomer cement applied to the tooth lesion and the wet improved amalgam applied to the wet cement. As a result, the retentive quality of such a restoration is improved and therefore may permit a lesion to be filled with amalgam rather than requiring extraction or the application of a prosthesis.
Mion International Corporation
Sim & Mcburney
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