Effect of Different Types of Occlusion on the Supporting Structures of Mandibular Overdenture Retained by Two Splinted Mini-Implants

Abstract

In this study, fourteen completely edentulous patients were selected from the Outpatient Clinic, Prosthodontic Department, Faculty of dentistry, Ain Shams University to participate in this study. Patients were selected and examined to reduce the human variables that may affect the results. The selected patients were free from any systemic diseases that affects the surgical procedure and healing process, temporomandibular joint disorders and with no history of parafunctional habits. Cone Beam Computed Tomography (CBCT) was made for all patients to evaluate the bone quality of the mandibular alveolar ridge, to locate the position of the mental foramina, and to evaluate the available bone width and height at the interforaminal region. All the selected patients were treated by conventional maxillary complete dentures and two splinted mini-implant retained mandibular overdentures. Standard clinical and laboratory techniques were followed for the construction of the dentures for all patients. The patients participated in this study were divided randomly into two equal groups: Group I patients received splinted mini-implant retained mandibular overdentures with their occlusal scheme set according to the