Evaluation of Stress and Strain Magnitude in Tapered and Cylindrical Implant Surrounding Bone, Used for Restoration of Mandibular Teeth: Finite Element Analysis in All-on-Four Concept.

The prevalence of the elderly population increased in the 20th century, as described in the World Health Organization 2004 Annual Report. The use of tilted implants parallel to the anterior wall of the maxillary sinus or the mental foramen/inferior alveolar nerve has been proposed for the treatment of the atrophic edentulous ridge. The aim of this study was to evaluate stress and strain magnitude in tapered and cylindrical surrounding bones.