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Home Industry News Bioactive glass shows potential for future tooth filling applications

Bioactive glass shows potential for future tooth filling applications

31st December 2015

US researchers have published a study highlighting the potential application of a new form of bioactive glass in the development of tooth fillings.

The Oregon State University research has indicated that bioactive glass can to help reduce the ability of bacteria to attack composite tooth fillings and potentially provide some of the minerals needed to replace those lost to decay.

This form of crushed glass is able to interact with the body and has been used in bone healing applications for decades. For this new study, the team was able to test simulated tooth fillings using the material in conditions that mimic the mouth.

Bacterial penetration into bioactive glass-containing fillings was shown to be significantly smaller than for composites lacking the glass, meaning the filling should work just as well, while lasting longer.

This is attributed in part to the release of ions such as those from calcium and phosphate that have a toxic effect on oral bacteria and neutralise the local acidic environment.

Jamie Kruzic, a professor and expert in advanced structural and biomaterials at Oregon State University College of Engineering, said: "This type of glass is only beginning to see use in dentistry, and our research shows it may be very promising for tooth fillings."ADNFCR-8000103-ID-801809178-ADNFCR

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