4 Abou-Rass Angled Apical Burnisher 4 Abou-Rass Angled Apical Burnisher MAR-B4 1.75 mm Abou-Rass Angled Apical Burnisher features a long shank for optimal reach and visibility of the working end. 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.