KONONENKO-ROZHKO METAL CYLINDER FOR TEETH COOLING WHEN PREPARATING THEM FOR CROWNS

摘要

A metal cylinder for teeth cooling when preparating them for crowns is composed of the working and rear parts, its hollow cylindrical working part has an abrasive coating at the inner and end parts of the cylinder. The rear section is designed in the form of a hollow tube, wherein the tube cavity continues towards the rear sections, which opens into the cavity of the cylinder. Several evenly spaced circular holes are designed on the lateral surface of the cylinder.