NEW CERAMIC TURBINE & BACK CAP DENTSPLY-MIDWEST QUIET AIR (LARGE HEAD) Dental Handpiece & BUR CHANGER. JUST REFRESHED: SONIC CLEANING, NEW CERAMIC Turbine, NEW BACK CAP, NEW BUR CHANGER, NEW "O"Rings, NEW Gasket, MINT! LOT INCLUDES: ONE (1) MIDWEST QUIET AIR Dental Handpiece, ONE (1) "NEW" MIDWEST BUR CHANGER.