UltraCal™ XS

35% Calcium Hydroxide Paste

UltraCal XS calcium hydroxide paste is a uniquely formulated calcium hydroxide paste that is both aqueous and radiopaque, with a high pH (12.5). It is recommend to use the larger 29 ga NaviTip™ tip for predictable flow, enabling direct placement. UltraCal XS paste can be thoroughly removed from the canal using Ultradent™ Citric Acid and a NaviTip™ FX™ tip.


Second-visit protocol with an intertappointment medication with calcium hydroxide resulted in improved microbiological status of the root canal system when compared with a single-visit protocol.1

  • Radiopaque
  • High pH
  • Superior at delivery control
  • Certified gluten free

Award - 2017 Dentaltown Townie Choice Award Award - 2016 Dentaltown Townie Choice Award Award - 2015 Dentaltown Townie Choice Award Award - 2014 Dentaltown Townie Choice Award Award - 2013 Dentaltown Townie Choice Award Award - 2012 Dentaltown Townie Choice Award Award - 2011 Dentaltown Townie Choice Award
  1. Vera J, Siqueira JF Jr, Ricucci D, et al. One- versus two-visit endodontic treatment of teeth with apical periodontitis: a histobacteriologic study. J Endod. 2012;38(8):1040-52.