320 Theories and techniques of oral implantology

Gold lingual clasp

Gold lingual

Fig. 8-31. A single tooth spiral-post implant supported by two lingual arm clasps.

Fig. 8-32. The radiograph shows complete resorption of a reimplanted central incisor. Only the gutta-percha point and a minute amount of tooth structure remain, covered with an acrylic jacket that cannot be seen in the radio-graph.

Fig. 8-33. A, The acrylic jacket is seen still held firmly in place 5 years after reimplanting. B, The remaining coronal portion of the tooth was removed with the acrylic jacket and existing gutta-percha point. C, The acrylic jacket is attached to the only remaining coronal portion of the tooth. The gutta-percha point is also seen.