PMC4166616_01
The initial computerized tomography (a), osteotomy of the lateral wall of the left maxillary sinus (b), and the sinus membrane rupture and subsequent lift (c).
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fig1
During the detachment of the sinus membrane with specific curettes, the presence of a large size perforation was observed (Figure 1).
Filling the maxillary sinus with bone particles (a) and coating it with collagen membrane (b).
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fig2
Removal of a fragment of bone tissue from the graft area (a) with a trephine number 2 bur following treatment (b). Implant placement (c) and final periapical radiograph (d).
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fig3
A Drive CM implant (Neodent, Curitiba, PR, Brazil) measuring 3.5 mm in diameter and 11.5 mm in length was then installed, with a final insertion torque of 45 Ncm (Figure 3).
Finalized porcelain-fused-to-metal crown (a) and final X-ray (b).
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fig4
The prosthetic component was installed later and a mold was made for fabrication of the provisional and definitive porcelain-fused-to-metal (PFM) crowns (Figure 4).