Profile: Drendel + Zweiling Diamant GmbH offer a complete range of instruments for dental offices and laboratories. Our delivery range includes diamond instruments and tools, tungsten carbide, burs, finishing instruments, surgical instruments, ceramic abrasives, polishers, instrument kits & diamond-coated forceps. Our D+Z range of diamond instruments includes all popular shapes & sizes in medium, coarse, fine, extra-fine and ultra-fine grit. Our D+Z polishers are available in different shank types, shapes, and sizes for prophylaxis, fillings, & for crowns, bridges & dentures.