Nagoya, Japan (May 20, 2010) - Noritake Dental Supply Co., Limited, a wholly-owned
subsidiary of Noritake Co., Limited, today announced its sponsorship of a study that
surveyed clinical performance of PFZ as compared to PFM. The results of this study
will be presented at IADR 2010 Barcelona1 on July 16 by Markus B. Blatz, DMD, PhD.
Gerard J. Chiche, DDS served as lead clinical consultant for the study.