Dentsply Maillefer 671107 Stainless Steel Endodontic K-Files 21mm #40 6/Pk
K-Files 21mm #40 6/Box. Stainless Steel. The original, award-winning Integrity Temporary Crown & Bridge Material is a twin-port cartridge and dispensing system for fast, strong, aesthetic temporaries. It provides the perfect mix ratio with no cross contamination. Integrity Material provides minimal shrinkage, great consistency, and polishes to a natural luster.