148 Theories and techniques of oral implantology

Fig. 5-23. A Tramonte implant successfully used in an open socket. A, The fresh socket after tooth extraction; B, the implant after insertion. Note that the implant fills the socket and engages bone; it does not float in the site. C, Eight months postoperatively bone has filled in around the securely braced implant. (From Tramonte, S.: L'implanto endosseo razionale, Milan, 1963.)

Fig. 5-24. Although the threads are at the alveolar crest, bone has grown around the lower portion of this well-stabilized Tramonte implant. A, Implantation soon after ex-traction of a root with a large granuloma; B, 1 month postoperatively; C, 6 months postoperatively. (From Tramonte, S.: L'implanto endosseo razionale, Milan, 1963.)

Fig. 5-25. Formiggini's first implant design. The implant was a wire twisted back upon itself. Bone was to surround the resulting spires, giving good retention.