Sometimes, whether because of psychological or reasons otherwise a few remaining teeth, as bad as they may seem are utilized for support for a bilateral or unilateral subperiosteal implant, fig. 1. In this case an anterior partial fixed bridge was processed containing a cantilevered pontic at each end, figs. 2, 3. Impressions of the exposed bone on both sides of the arch were taken with rubber base material and an overall alginate impression of the entire arch was taken to pick up the two rubber impressions, fig. 4. On the master model two unilateral subperiosteal implants are seen exhibiting lingual fingers below the mylohyoid ridges, fig. 5. Recesses for possible screw fixation are built into the implant framework, fig. 6. On the second visit the implants are seated,

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