Medicine: Capsules, Jul. 9, 1973

> Replacing lost teeth is a tricky business at best. Fastening a false tooth to its "virgin" neighbors may undermine those adjacent teeth. Using anchors of stainless steel or vitallium to implant the replacement often causes infection or deterioration of the jawbone. A promising new technique developed by the University of Southern California school of dentistry and the Vitredent Corp. of Los Angeles seems likely to overcome both problems. The empty socket is filled with a root replacement of vitreous carbon; then the false tooth is fastened to this foundation. Carbon, the base of all living matter, is compatible with human...

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