Allen Periosteal Elevator, Posterior Allen Periosteal Elevator, Posterior PPAELP Posterior Microsurgical Elevator is designed to facilitate blunt dissection in the tunnel technique. The angle of the shank provides improved access for posterior interradicular dissection. 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.