[Increasing the working life of dental excavators by the addition of a layer of hard alloy to the working surface]. / Povyshenie sroka sluzhby stomatologicheskogo ékskavatora naneseniem na ego rabochnuiu poverkhnost' sloia tverdnogo splava.

The use of hard alloy coatings for the working surfaces of the hatchet excavator applied by electric spark alloying can increase the working life of the above instruments by 0.5-1.5 times.