Effect of Platform Switched Implants on Supporting Structures of Mandibular Overdentures

Document Type : Original Article

Authors

1 Associate Professor of Removable Prosthodontics, Faculty of Dental Medicine for Girls, Al Azhar University.

2 Lecturer of Removable Prosthodontics, Faculty of Dental Medicine for Girls, Al Azhar University.

Abstract

Twenty completely edentulous patients with age ranged between 50 and 60 years were selected for this study. Complete dentures were constructed for all patients. The patients were divided into two groups; ten patients each. The first group was received two platform switched implants (3.6 × 11.5 mm) in the canine regions of the mandible. The second group was received two platform matched implants (3.6 × 11.5 mm) in the canine regions of the mandible according to two stage surgical protocol. Radiographic and clinical evaluations were performed throughout the twelve months follow up. The result of the study revealed that there were no statistically significant differences in marginal bone loss between mandibular overdentures retained by two platform switched implants and that retained by two platform matched implants. Also, there were no statistically significant differences in pocket depth or implant mobility between two studied groups. This study concluded that platform switching didn’t influence marginal bone loss around implants or soft tissue supporting mandibular overdenture dentures.