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An instrument used in restorative dentistry to shape and mould filling materials, such as amalgam or composite, into the appropriate shape and contours of a dental cavity is referred to as a "metallic matrix." In most cases, the matrix is constructed of a thin, malleable metal that moulds to the contours of the tooth, forming a barrier to keep the filling material in and stop leakage. To compress and compact the filling material into the tooth, it is often used in tandem with a dental condenser instrument.
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Metallic Matrix An instrument used in restorative dentistry to shape and mould filling materials, such as amalgam or composite, into the appropriate shape and contours of a dental cavity is referred to as a "metallic matrix." In most cases, the matrix is constructed of a thin, malleable metal that moulds to the contours of the tooth, forming a barrier to keep the filling material in and stop leakage. To compress and compact the filling material into the tooth, it is often used in tandem with a dental condenser instrument.