Tooth preparation device for reception of dental crown or bridge uses preparation model with model tooth and copier grinder transferring work on model tooth to actual tooth

摘要

The tooth preparation device for grinding down the tooth to provide a tooth stump uses a preparation model (71) fitted with at least one model tooth (23), a positioning body, a parallelisation body, a mould plate (12) with threaded sockets (17) and removable segments (20), a preparation base rail (46) with sliders (53), a dish (72), a transfer device, a transport arm mechanism, position stabilization arms, model transfer bodies and a copier grinder.