Silane Heat Treatment Could Eliminate the Hydrofluoric Acid Etching of Lithium Disilicate Overlays: A Four-Year Follow-Up

Figure 3

Bonding procedure: silane application (a); postsilanization heat treatment with custom-made device (b); bonding agent application (c); bonding agent solvent evaporation (d).

(a)

(b)

(c)

(d)