Definition: Hard, amorphous, brittle, inorganic, usually transparent, polymerous silicate of basic oxides, usually potassium or sodium. It is used in the form of hard sheets, vessels, tubing, fibers, ceramics, beads, etc.
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Biogran composed, by weight, of 45% silicon dioxide, 24.5% calcium oxide, 24.5% sodium oxide, and 6% diphosphorus pentoxide; this bioactive glass bonds to bone tissue and enhances bone tissue growth due to it
