Dental articles are produced using relatively low sintering temperatures to achieve high density dental articles exhibiting strengths equal to and greater than about 700 MPa. Ceramic powders comprised of nanoparticulate crystallites are used to manufacture dental articles. The ceramic powders may include...http://www.google.com/patents/US8002885?utm_source=gb-gplus-sharePatent US8002885 - Dental restorations using nanocrystalline materials
