424 Theories and techniques of oral implantology

Fig. 10-142. Pin implants are then drilled obliquely through the holes previously made through the template.

the master stone model. The prosthesis, which had a lingual extension to lock into previously prepared deep-seated grooves on the lingual aspect of the upper right lateral and cuspid restorations, was then cemented in the mouth (Fig. 10-144) .

A full series of intraoral radiographs is seen in Fig. 10-145. The finished case is shown on a cross-sectional film (Fig. 10-146) . Fig. 10-147 compares the differences in hulk and size of the original removable prosthesis and the new fixed partial denture. Esthetically, the original tooth contours were duplicated.

If a removable substructure, as well as a re-movable superstructure, had been desired for this patient, the following steps would have been taken to construct the template. First, the post type implants would be inserted. Then the copings would be cemented permanently over the abutment teeth

Fig. 10-144. The completed bridge.

Fig. 10-143. Acrylic liquid and powder are used to lock the pins to each other.

Fig. 10-145. A full series of intraoral radiographs of the completed case.