Interchangeable Periotome Tip, Straight Narrow Interchangeable Periotome Tip, Straight Narrow PTI8 Facilitates the removal of teeth with minimal damage to the surrounding alveolar bone by severing the PDL with the use of the sharp, thin, clinically designed blades. 1.6mm 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.