4 Abou-Rass Straight Apical Burnisher 4 Abou-Rass Straight Apical Burnisher MAR-SB4 2.25 mm Abou-Rass Straight Apical Burnisher perfect for straight-line access with optimal control. 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.