Assertion: apatite's property | /r/HasProperty | known for 40 years
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Source sentences:
text: While bioactive glasses and their bone-bonding properties have been known for 40 years, these results show that glass design based on a thorough understanding of the structure–property relationship in these materials allows for the development of next-generation biomaterials that combine the release of therapeutic ions with the known bone-regenerating properties of bioactive glasses.