39/TU17 Explorer 39/TU17 Explorer EX9/TU17 Used for caries and calculus detection, exploration of pocket characteristics, furcation's and restorations. Where to Buy x Category Dealer PartnersSales RepresentativeStrategic MarketsSchools RepresentativeAccutron™ Equipment Sales Zip Code Find RepresentativeReset Select a category, input a zip code and click on Find Representative, or explore the complete list here.