Stress Distribution Pattern in Mini Dental Implant-Assisted RPD with Different Clasp Designs: 3D Finite Element Analysis

Figure 3

The 3D FEA models of bilateral distal extension base mandibular arch with the RPD metal framework with the different designs of retentive component and the acrylic denture bases on edentulous areas: (a) the model with the RPA clasps, (b) the model with the RPI clasps, (c) the model with the Akers cast clasps, and (d) the disto-occlusal rest seats with no retentive components as control.

(a)

(b)

(c)

(d)