Czasopismo | INŻYNIERIA MATERIAŁOWA | Rocznik 2014 - zeszyt 2

Wear resistance of dental burs with a diamond coating

nr katalogowy: 84290

The scientific work on extending the operational life of dental instruments - primarily dental drills - has been ongoing for many years. The expected characteristics distinguishing dental instruments in terms of their design and operation include: - high reliability, - safety of use for operators and patients, -ease of operation, - specific set of mechanical properties as well as geometry useful to perform a specific procedure, - corrosion resistance in operating conditions, - design enabling full sterilisation of the instrument or device, - ergonomic nature and aesthetics of the design and manufacture. Specific conditions existing in the human body create very strict criteria both for metallic materials used for implants and dental instruments as well as for the layers on their surfaces. Good biocompatibility, high adhesion to the basic metal, and corrosion resistance are only some of the requirements to be met when applying specific material in medicine [1÷13]. MATERIAL AND METHODS OF TESTS The studies were carried out on commercial dental drills with a diamond coat. Drills made of a corrosion resistant steel were covered with a nickel-diamond composite of varying diamond grain size. Drills of various shapes of the working part and also of varying grain size of the coat were used, inter alia drills designed to remove old fillings and crowns (the flame-shaped drills) as well as drills intended to prepare tooth tissue by grinding (round and flame-shaped drills). Long-term operational tests of dental drills were performed in a dentist's surgery. The operation consisted of a d[...]

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e-Publikacja (format pdf) - nr 84290 "Wear resistance of dental..." licencja: Osobista Produkt cyfrowy	10.00 zł

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INŻYNIERIA MATERIAŁOWA - e-zeszyt (pdf) 2014-2 licencja: Osobista Produkt cyfrowy	65.00 zł

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2014-2

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Czasopisma