Interchangeable Periotome Tip, Angulated Interchangeable Periotome Tip, Angulated PTI9 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. 1.4mm 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.