Four magnificently functioning blades are seen in figs. 208, 209, 210, 211. An acrylic over gold fixed prosthesis was cemented over the blade posts, figs. 212, 213, 214. This case was done at the Institute for Graduate Dentists in 1968 when the woman was in her middle seventies and still remains functioning with very little bone loss as seen on this nine year post-operative x-ray, fig. 215.

This case represents a very unusual and rare occurrence. Four bladevents functioned successfully for several years when one day she appeared in my office with the right cuspid neck of the blade severed completely from its body, fig. 216. The existing prosthesis had to be removed,

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