IntroductionCeramics materials became very popular in dentistry applications, due to their high bio‐compatibility, corrosion and abrasion resistance, good chemical stability, and unique aesthetical appearance. In particular, quite lucrative is this respect is zirconia ceramics, which is a bio‐inert material combining good optical properties, chemical stability, high strength, strong toughness, corrosion resistance, and bio‐compatibility. Its bending strength and fracture toughness much exceed those of aluminum oxide. Hence, it is an oxide dental ceramics material with the best mechanical performance, which is especially suitable for posters teeth fixed restorations requiring high mechanical performance. All‐porcelain teeth with zirconia ceramics as the core and baked porcelain as facing can realistically imitate the color and sub‐transparent feature of natural teeth. Hence, they have been considered as restorations with the best aesthetic effect, and gained tractions from dental patients and medical staff. However, processing of prefabricated high‐strength and high‐hardness zirconia ceramics blocks into all‐porcelain crowns or supports using CAD/CAM technology necessitates application of processing tools with relatively high cutting or grinding efficiency.At present, dental ceramics processing tools are usually made via electroplating or brazing techniques. The electroplating of dental ceramics processing tools envisages the solidification of diamond particles into steel substrate through the coated metal.
Advanced Engineering Materials – Wiley
Published: Jan 1, 2018
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