Some research shows well polished zr is the least abrasive material. when you put a glaze on it, up the scale it goes.

Hi Margot. the abrasion has to do with the surface hardness of your restoration and not the Flexural strength of the material. and this is controllable by treating the occlusion surface with certain kinds of rubber wheels. but in general and before surface treatment, absolutely the emax CAD is less abrasive than the Incoris.

Margot, the studies are absolutely right full count our Zr is lees wears natural enamel lees than Zr, but don't forget if your Dr. Makes any occulsal adjustments; which is always the case, unless you make it out of occulusion but then there goes ur cusp to fossau or marginal ridge and teeth are mobile...[More]