5.0 mm Interchangable Osteotome Spreader, Straight 5.0 mm Interchangable Osteotome Spreader, Straight OSTMSP50 5.0 mm Osteotome used for lateral bone condensation for elevation of the sinus floor. 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.