Comparison Between Mainly Mucosa-Supported and Combined Mucosa–Implant-Supported Mandibular Overdentures

TL;DRAbstract

The purpose of this study is to compare mainly mucosa-supported and combined mucosa-implant-supported complete mandibular overdentures. Ten completely edentulous patients received 20 press-fit dental implants at the canine regions of the mandible. Each patient received 2 implants, which were left submerged and unloaded for 4 months. The patients were divided into 2 groups: group I patients received mandibular overdentures retained by a magnet attachment (mainly mucosa-supported overdenture). Group II patients received mandibular overdentures retained by a bar attachment (combined mucosa-implant-supported overdenture). The patients were evaluated clinically and radiographically immediately after overdenture delivery and after 6 months, 12 months, and 18 months. The results showed that the mainly mucosa-supported overdentures had less bone resorption distal to the implant in comparison to the combined mucosa-implant-supported overdentures. Plaque index score was significantly high in the

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