3D pro multilayer zirconia block cerec chitarisiko chechisikigo chemavara gradation.Yucera 3D pro yakavakirwa pa multilayer tekinoroji kuve nechokwadi che cubic chikamu mukati me zirconia inogona kugadzirwa kuderedza mwenje birefringence kune chero mhando ye tetragonal zirconia polycrystals yakagadzikana ne 3mol% Y2O3 zirconia, saka translucency inogona kuwedzerwa.