Effect of dislodging forces on mandibular implant attachment-retained overdenture.

Objectives: : The goal of this in vitro study was to evaluate stress patterns and retention of ball and socket and 2 telescopic attachments of different convergence angles retaining an implant-supported overdenture prosthesis.

Materials And Methods: : This study was carried out on an edentulous mandibular acrylic resin educational model. Four dummy implants, 3.