Bio-glass to fill cavities, already used in bone healing

http://www.sciencedaily.com/releases/2015/12/151222163419.htm

“Tooth fillings from the future may incorporate bio-active glass,” reads headline from Science Daily.

Oregon State researches have found that bio-active glass could be used in dental fillings. Bio-active glass seems to repel bacteria in the mouth, unlike current composite fillings. Doctors have already incorporated bio-active glass for bone healing. I wanted to know what made this glass finer than tiny shards, yet stiff.  Ingredients were included in report.

“Bioactive glass is made with compounds such as silicon oxide, calcium oxide and phosphorus oxide, and looks like powdered glass. It’s called “bioactive” because the body notices it is there and can react to it, as opposed to other biomedical products that are inert. Bioactive glass is very hard and stiff, and it can replace some of the inert glass fillers that are currently mixed with polymers to make modern composite tooth fillings.”

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