*SATELEC® is a registered trademark of ACTEON Group *EMS® is a registered trademark of Electro Medical Systems SA *NSK® is a registered trademark of Nakanishi INC.Corporation *SIRONA® is a registered trademark of Sirona Dental Systems GmbH *KAVO® , SONICflex , SONICflex quick, PiezoLED & PIEZOso, PIEZOlux & SONOsoP are registered trademarks of KaVo Dental Corporation *AMDENT® is a registered trademark of LM-Instruments Oy *Mectron® is a registered trademark of Mectron s.p.a.