W&H proxeo TWIST PL-40 H Instructions For Use Manual page 16

Safety notes
Prophy Angle
2
The Prophy Angles are disposable articles.
> Use only Prophy Angles which are in perfect condition. Follow the operating instructions of the manufacturer.
> Insert the Prophy Angle only when the medical device is stationary.
> Never touch the Prophy Angle while it is still rotating.
> Only use Prophy Angles with plastic shanks for the Doriot system.
Prophy Angles with metal shanks damage the clamping chuck system.
16