ANTHOGYR 20:1 Contra Angle. Anthogyr’s line of contra-angles Impulsion® for implantology is suitable for the complete implant surgical protocol : from bone crest preparation to implant insertion. Meeting the demands for a lower cost without any concessions in quality. Impulsion® range main advantages: Smallest head on the market* for easier access in case of restricted interdental space and unequalled visibility. Optimal handgrip Torque of up to 50 N.cm Adjustable depth stop system: total safety and minimized size (only for Impulsion® Control) Double irrigation system Thermal disinfection for impeccable maintenance. * For latch-type head only