TY - BOOK AU - Enas Taha Ibrahim Darwish AU - Ehab Mamdouh Aboelrous , AU - Mohammad Abdelmonem Nada , TI - Evaluation of different desings of implants supported maxillary overdentures / PY - 2013/// CY - Cairo : PB - Enas Taha Ibrahim Darwish , KW - Attachments KW - Implants KW - Overdenture N1 - Thesis (Ph.D.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Prosthodontics; Issued also as CD N2 - Fourteen patients with upper edentulous arches were categorized according to the pattern of their treatment modalities into two groups. The first group placing four implants in the canine and molar areas with bar attachments, and the second group placing four implants in the canine and molar areas with locator attachments. The dental implant was evaluated radiographically using digora system to show chenges on marginal bone height and bone density by the effect of time ER -