Evaluation of Different Attachments on Implant-Retained Mandibular Overdenture.

upper complete dentures and lower complete overdentures. The upper complete denture will be mucosa supported and the lower complete denture will be supported and retained for all patients by two dental implants in the inter-foraminal region \& will be loaded by Novaloc attachment.

upper complete dentures and lower complete overdentures. The upper complete denture will be mucosa supported and the lower complete denture will be supported and retained for all patients by two dental implants in the inter-foraminal region\& will be loaded by Equator attachment.