Materials and dental procedures are disclosed for the treatment of resorbed or diseased periodontal and alveolar bone tissues. Biocompatible nonresorbable ceramic mixtures and compounds containing silicon, calcium, phosphorous, and sodium oxides and flurides are prepared as powders or spheres and applied...http://www.google.com/patents/US4725234?utm_source=gb-gplus-sharePatent US4725234 - Alveolar bone grafting process with controlled surface active ceramics
