I think that they do have the option of ejecting water but I think
that is to cool the bit and the tooth, not the handpiece.

Sean


On Mon, Nov 3, 2008 at 6:10 AM, Alan B. Pearce <Alan.B.Pearce@stfc.ac.uk> wrote:
>>The dental handpieces won't eject oil, I'm fairly sure of that.
>
> I suspect they eject water - that ends up in the patients mouth after
> cooling the tool ...
>
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