Dentsply range of Diamond and Steel burs are heat-treated to 750 on the Vickers hardness scale (enamel is 300), for excellent cutting efficiency. HiDi Diamond Burs are manufactured with precision made shanks and carefully applied and inspected diamond layers, to ensure the longevity of both the bur and your handpiece.
The high standards of 100% inspection remove any defective burs and multiple diamond layers.
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Heat-treated burs. Br Dent J 203, 663 (2007). https://doi.org/10.1038/bdj.2007.1153
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DOI: https://doi.org/10.1038/bdj.2007.1153