Identify
Distinguish handles, working shafts and fluted portions in the reference set.
LOOK CLOSELY / UNDERSTAND CLEARLY
Recognise endodontic instruments and describe their design and limits.

Colour-coded hand instrument handles in the reference set.
Zoom in, then drag to inspect. Keyboard: + / − to zoom, arrows to pan, 0 to reset. Tap the numbered markers to explore parts.
endodontic files — reference view
Image: Metju12 Talk · Source / original · Public domainResized and converted to WebP; original colours retained.
Endodontic instruments vary in cross-section, taper, material and mode of use; safe use depends on the specific system and supervised protocol.
Distinguish handles, working shafts and fluted portions in the reference set.
Do not assume every file is designed for the same motion or speed.
Check size, condition and system instructions before supervised use.
Try answering aloud, then open the suggested answer. Examiner questions vary.
No. Taper, material and design also matter.
No. Follow the specific instrument’s intended use.
Deformation or fatigue can increase failure risk.
No. Length determination requires the appropriate assessment and verification.