The effect of bleaching on the optical and physical properties of externally stained monolithic zirconia.
Maryam S TavangarElaheh MousavipourElham AnsarifardPublished in: Clinical and experimental dental research (2021)
The effects of home and office bleaching on the surface characteristics of monolithic zirconia were almost the same. It is not necessary to exchange or even to polish the surfaces of zirconia restorations after exposure to bleaching agents. Further studies are recommended to confirm the color stability of externally stained monolithic zirconia.