45S Off-Angle Cavity Prep, EverEdge™ Handle 45S Off-Angle Cavity Prep, EverEdge™ Handle CP45S9 Used for cavity preparation: retentive areas, internal line angles and removing hard caries. 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.