You are quite right, seems like there are unbreakable matrices that require chem... | Hacker News

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		Y_Y 4 months ago \| parent \| context \| favorite \| on: Toothpaste made with keratin may protect and repai... You are quite right, seems like there are unbreakable matrices that require chemical action: https://www.jsr.org/hs/index.php/path/article/download/4787/... Suitable chemical methods: https://www.sciencedirect.com/science/article/abs/pii/S01418... https://pmc.ncbi.nlm.nih.gov/articles/PMC10157874/

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