3 Orringer Cheek Retractor, Large 3 Orringer Cheek Retractor, Large CRO3 The 3 Orringer Cheek Retractor is a hands-free retractor used to hold mucoperiosteal flaps, cheeks, lips and tongue away from the surgical area, 4.4" long. 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.