Glidewell Laboratories offers a variety of ways to incorporate BruxZir Solid Zirconia restorations into your laboratory. Authorized BruxZir Labs will be listed in branded national trade journal ads and quarterly mailers.ruxZir Â® Solid Zirconia is a monolithic zirconia crown, bridge, screw-retained implant crown, full-arch fixed implant solution, inlay or onlay with no porcelain overlay.
A basic stain stains the bacteria (the stain is a positively charged molecule that attaches to cells which are negatively charged or to negatively charged molecules in cells.) A negative stain does not stain cells (why its called a negative stain), it stains the background around the cells.
How Coffee Causes Teeth Stains. The teethâs enamel, the hard protective layer all around that protects it, is porous. That is why the enamel can be easily stained because it is not difficult for substances such as coffee to fill the pores. The nature of enamel also varies from person to person.