Filpost™ Root Canal Post System – Titanium, Starter PackageMade from 98. 8% pure titanium won't corrode, compatible with all dental materials. Enables easy customization to suit canals 2 posts can be easily inserted. No risk of perforation due there is no need in drilling Preserves tooth structure and minimizing dentine removal due to anatomical shape, Avoids weakening of the tooth. Relieves hydrostatic pressure during placement Retentions grooves created for strong retention and unique passive interlock.