The NatPROB is presently comprised of three International Institutions:
- Piracicaba School of Dentistry, University of Campinas, São Paulo, Brazil (Headquarter);
- Eastman Dental Center, Eastman Department of Dentistry, University of Rochester, Rochester, NY, USA and
- School of Dentistry of Chonbuk National University (CBNU), Jeonju, Chonbuk, Republic of Korea.
