摘要:
The invention relates to an endodontic instrument comprising a shaft to be secured in an instrument-carrier and an active part to be introduced into a root canal, the active part comprising a plurality of faces (21, 22, 23) and at least one edge (25, 26, 27) formed by the intersection of two faces; at least two of said adjacent faces having a surface with a roughness presenting an arithmetic mean deviation from the mean line Ra, selected such that 0.5μm