The Effect of Threads Geometry on Insertion Torque (IT) and Periotest Implant Primary Stability: A High-Density Polyurethane Simulation for the Anterior Mandible

The implant geometry provides a key role in the osseointegration process and is able to improve mechanical interaction primary stability into bone tissue. aim of present investigation was compare different profiles evaluate their influence on high-density polyurethane block. Methods: A total 100 implants were used 20 pcf density investigation, i.e., for each 5 groups (A, B, C, D, E), characterized by thread pitch geometry. insertion torque (IT), Periotest mean values recorded during positioning. Results: Mean higher group C E when compared all other (p < 0.01). No significant differences detected between these two 0.05). Lower IT (<20 Ncm2) presented A, D All showed negative values. Group lowest level found B > Conclusions: Implants with wider V-thread profile round apex standardized foam. Their use could be suggested clinical practice.