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

Figure 1

Preoperative images: radiograph images of tooth 36 (a) and 37 (b) prior to endodontic treatment and postendodontic treatment (c) and clinical view of tooth 37 (d) and 36 (e).

(a)

(b)

(c)

(d)

(e)