A powerful tool for milling dental prostheses / Jinrui CAD/CAM dental burs
2021-07-21
Jinrui CAD/CAM dental burs feature excellent structural design and coating technology, and are used on CAD/CAM machines (such as those from Xiangtong, Roland, etc.) for turning zirconia, cobalt-chromium alloy, nickel-chromium alloy, and other dental prosthesis materials.
Teeth perform the masticatory function in the human oral cavity, and each masticatory action generates significant occlusal stress, with data showing that it can reach up to several hundred megapascals at maximum. Therefore, when selecting materials for dental prostheses, the following aspects need to be considered:
(1) High fracture strength is a must.
(2) The fracture toughness should also be high, generally not lower than 1.0 MPa·m¹/²;
(3) The hardness should be similar to that of natural human tooth enamel, approximately ranging from 3 GPa to 5 GPa;
(4) The elastic modulus should also be close to that of tooth enamel, falling within the range of 46 GPa to 130 GPa;
(1) High fracture strength is a must.
(2) The fracture toughness should also be high, generally not lower than 1.0 MPa·m¹/²;
(3) The hardness should be similar to that of natural human tooth enamel, approximately ranging from 3 GPa to 5 GPa;
(4) The elastic modulus should also be close to that of tooth enamel, falling within the range of 46 GPa to 130 GPa;
Applications of dental burs in the dental prosthesis industry:
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