A case of partial anodontia with extremely knife-edged ridges, fig. 76, 77, needed the sup-port of two intra-tooth blades, fig. 78, that were carefully tapped into proper position by first widening the pyramidal shaped knife-edged ridge by removing several milimeters of bone at the crest, thus widening the occlusal table, fig. 79. The tissues were then sutured together, fig. 80. After tissue healing, fig. 81, impressions were taken for individual gold copings, fig. 82. One week later, the case was completed, figs. 83, 84, 85. The post-operative x-ray shows the entire case. It also reveals that the twelve year molars did not have to be involved for added support, fig. 86.

Fig. 87 through 102 shows other cases using intra-tooth bladevents.

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