:: The dental handpieces won't eject oil, I'm fairly sure of that.  
:: That
:: would annoy patients.

I've only vaguely followed this thread, but if you are using a used or second hand handpiece, I would suggest dousing it in disinfectant or a steraliser before tinkering.

Many dentists do not clean the actual rotor - and it is amazing to see the amount of enamel dust and other bits of mouths that end up inside the handpiece.

Taps nose - due to inside knowledge of dentists and their habits. Mind you, I've serviced a lot of histopathology equipment, and one often wonders if hygiene and research go together!

Colin 
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cdb, colin@btech-online.co.uk on 3/11/2008
 
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