3.6An endodontic instrument has a white handle, with number 1.5. and a circle symbol on it.What kind of instrument is it, and what is the diameter of its tip?
A、 H file, diameter 00.1.5. mm.
B、 H file, diameter 01.5. mm.
C、 S file, diameter 00.1.5. mm.
D、 S file, diameter 01.5. mm.
E、 C file, diameter 00.1.5. mm.
发布时间：2025-02-04 14:39:17
