406 Theories and techniques of oral implantology

Fig. 10-77. A, Gold copings (prefabricated) were placed over the protruding implant shafts. B, The veneer casting was fitted over the bicuspid tooth preparation.

Fig. 10-76. A, Since the earlier spiral type implants were used at that time, the bone was prepared with taps. B, Both taps should be parallel to each other and to the anterior abutment tooth. C, The implants were then screwed into position.

Fig. 10-78. A wax interocclusal record of centric relation and a silicone index were taken.

were inserted into the edentulous area (Fig. 10-76).

The inlay was replaced and prefabricated gold copings were placed over the implant shafts, making sure that neither the inlay nor the gold copings interfered with centric occlusion (Fig. 10-77).

A wax interocclusal record of centric relation and silicone index were taken (Fig. 10-78), and the temporary splint was placed in the mouth. The master stone model was poured from the impressions (Fig. 10-79) and the fixed partial denture corn-

pleted. The prefabricated gold copings could have been used only as transfer copings or as the frame-work for the restorations, using the double casting technique.

On the third visit, the required radiographs of the bridge in place before final cementation were taken. Then the bridge was cemented with hard cement, using the anterior inlay preparation and the posterior implants as the abutments (Fig. 10-80).

Six years later a Panorex shows the spiral posts in the maxillary molar area (Fig. 10-81).