KaVo® are the trademark of KaVo Dental GmbH, Germany.
NSK® are the trademark of NSK Nakanishi Inc., Japan.
W&H® are the trademark of W&H Dentalwerk Burmoos GmbH, Austria.
Bien-Air® are the trademark of Bien-Air Dental S. A., Switzerland.
Sirona® are the trademark of Dentsply Sirona Inc. U.S.A..