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← Preclinical Conservative Dentistry / 2nd Year / BDS

LOOK CLOSELY / UNDERSTAND CLEARLY

Dental handpiece

Recognise a dental rotary handpiece and distinguish device-specific features.

REFERENCE GALLERY1 / 1 reference
handpiece — reference view
100%
1
Handpiece head

The working head of the reference handpiece.

Zoom in, then drag to inspect. Keyboard: + / − to zoom, arrows to pan, 0 to reset. Tap the numbered markers to explore parts.

handpiece — reference view

Image: Unknown authorUnknown author · Source / original · CC BY-SA 3.0

Resized and converted to WebP; original colours retained.

Dental handpiece

Identify and explain

A powered handpiece transfers rotary movement to a compatible cutting or finishing instrument.

  • Handpiece head
  • Bur attachment
  • Body
1

Identify

Describe the head, body and connection without assuming a model-specific drive system.

2

Check compatibility

Confirm the appropriate bur and retention system.

3

Prepare

Follow manufacturer maintenance and validated reprocessing instructions.

At the viva table

Try answering aloud, then open the suggested answer. Examiner questions vary.

01 / Is every handpiece air-turbine driven?

No. Drive systems and speed ranges differ.

02 / Can every bur fit every handpiece?

No. Shank and retention compatibility matter.

03 / Does wiping replace validated handpiece reprocessing?

No. Follow the required cleaning and sterilisation process.

04 / Why check retention before use?

An insecure rotary instrument can disengage.

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