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N4 Impression

The Art of Wet Grinding – N4 Impression


Dear end customers,
our dental milling machines and dental grinding machines are exclusively sold via OEM partners and specialised trade. If you are interested, please directly contact our sales partners.


  • The N4 Impression is a compact wet grinding machine without an external unit for blocks of glass ceramics and composites. Its highest precision and the quick drive units – common characteristics of all vhf machines – are combined here with a closed liquid cooling system in an extremely

  • compact housing. Eight liquid nozzles which are circularly arranged at the spindle ensure an equal cooling of the grinding tool from the tip to the shank. So you will achieve first-class grinding results in shortest time with the N4 Impression.



  • 4 simultaneously working axes

  • The rotary axis (A axis) has a rotation range of + 190° to − 10°.


  • automatic changer for 8 tools

  • The two removable changer stations for four tools each will be equipped with just a few moves. The material will then be machined fully automatized and you can spend your time with other useful things until you remove the finished work. Haptic tool measurement for usage of diamond-coated tools.


  • powerful and highly precise spindle

  • With 4-fold hybrid ceramic ball bearings and a nominal power of 300 W under continuous load.


  • machine bed of massive aluminium cast

  • The machine bed of massive aluminium cast facilitates highest stability and a low-vibration operation.


  • worldwide applicable

  • Due to far range switching mode power supply for 100 – 240 V and 50/60 Hz with country-specific mains plug. Certification according to ANSI/UL61010-1 for exports to the USA and Canada.


  • ideal for the practice lab

  • The N4 is an ideal machine for practice laboratories for producing the works without time delay and higher costs for an external production. Or you specifically add the wet grinding machine N4 Impression to the already existing machines for dry processing in the dental laboratory. It will save you the cleaning works which become necessary in an alternating operation between wet and dry processing in one machine.


  • sophisticated protective mechanisms

  • Protection of the danger zone during the machining process with an automatic safety interlock at the frontcover. A flexible rubber gaiter protects mechanics, electronics and spindle effectively from humidity.


  • especially efficient cooling

  • Eight liquid nozzles which are arranged at the spindle cool the whole tool evenly from the tip to the shank at all machining stages.


  • fully integrated liquid cooling system

  • Closed liquid cooling system – no external module for pump etc. necessary. Comfortable filling and cleaning due to removable drawer for liquid tank and filter for separating grinding particles.


  • wide range of indications

  • For crowns, bridges (also fully anatomical), inlays, onlays, abutments, telescope crowns, veneers, table-tops etc.


  • no previous knowledge necessary

  • Very easy operation via provided CAM software DentalCAM with machining strategies that are especially adapted for grinding – no previous knowledge in milling or grinding necessary.