Chivian-Arens Endo Surgery Kit Chivian-Arens Endo Surgery Kit ENDO-SXKIT Chivian-Arens Endodontic Surgery Kit featuring instruments recommended by Dr. Noah Chivian and Dr. Donald Arens for microsurgical applications. 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.