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How does blasting or grinding affect the zirconia?

April 26, 2017affect Blasting grinding Zirconia

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How does blasting or grinding affect the zirconia?

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Sand blasting improves the bond strength of resin cements to the intaglio surface of zirconia-based restorations as does grinding. However, excessive grinding can cause a crystalline transformation of zirconia that can compromise its strength. Water spray during grinding is recommended.