Fig. 1—The Robert's original ramus frame implant.

Fig. 2—The three piece Cloyd ramus implant.

Fig. 3—The tissues are reflected high up in the ramus and the groove is made on the buccal side, figs. 4, 5, of each ramus. The posterior ramus blades with their extensions are tapped into the grooves, fig. 6, but usually had to be removed while fitting in the bulky anterior portion, fig. 7. Great difficulty occurred when trying to passively fit the posterior extension into the anterior hollow tubes since the tubes could not be bent independently of the attached anterior blade. How-ever, healing in many of these cases was good, fig. 8, but often cross-bites occurred because of

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