Double Guided Surgery in All-on-4^® Concept: When Ostectomy Is Needed

Figure 2

(a) Maxillary postextraction. (b) Ostectomy performed by saw through the guide. (c) Removal of the ostectomized bone. (d) Implant guide placed on the same holes used to fix the resection guide.

(a)

(b)

(c)

(d)