Signature Series™ Collection Perio Standard Set-Up Signature Series™ Collection Perio Standard Set-Up IMPERIO Signature Series™ Cassette containing instrumentation for Periodontal procedures. 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.