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dental handpiece connection to compressor

Dental drills

Alan,
I have a few of these. The one hole Nsk Presto is easy one hole no vent. Two hole units use the large hole for in air, the small hole is exhaust. Not sure about 4 hole units but I beleive they are simular. just don't use the water hole.
Don
 
dental handpiece connections

Thanks for the input guys. I haven't actually got the handpiece yet ( I bought it on ebay and it is coming from China. The total cost for the handpiece,tubing and a spare turbine unit came to less than £40/$60 inc.shipping) so I will work it out when it arrives. I just thought I would ask for anyone with experience of these tools for advice. At this price I thought it was worth exploring.:)
Alan
 
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