The Mandible Expert Group (MDEG) deals with implant and instrument developments around the lower jaw bone (Mandible). Its medical members are:

Daniel Buchbinder, (USA), (Chairman)
Lim K. Cheung (Hong Kong)
Mario F. Gabrielli (Brazil)
Carl-Peter Cornelius (Germany)
Ralf Gutwald (Germany)

Products that have been developed under the guidance of the MDEG can be seen here.