XTS #18 DE Ball Burnisher XTS #18 DE Ball Burnisher TNBB18 XTS #18 DE Ball Burnisher. Used to make grooves, fissures, and pits in final anatomy in posterior 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.