poor implant design in the posterior areas, figs. 9, 10. Fig. 11 shows excellent healing. The all acrylic splint is cemented over the implant with Duralay acrylic cement, figs. 12, 13. A great deal of space was originally left beneath the prosthesis and soft tissues so the appliance would act as a sanitary bridge. The post-operative x-ray, fig. 14.

An early five piece symphyseal-rami-system developed by the author, fig. 15. A later version of the system, figs. 16, 17.

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