All on four fixed prostheses versus implant overdentures for management of edentulous maxilla opposing mandibular 2- implant assisted overdentures | ||||
| Egyptian Dental Journal | ||||
| Article 14, Volume 67, Issue 4, October 2021, Page 3421-3434 PDF (2.19 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/edj.2021.82412.1689 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Hesham Alam  1; Mona Aboelnagga 2
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| 1Associate Professor, Prosthonontic Department , Faculty of Oral and Dental Medicine at Future University | ||||
| 2Associate Professor, Prosthodontic Department, Faculty of Oral and Dental Medicine, and Shams University | ||||
| Abstract | ||||
| Purpose: This study aimed to compare two treatment modalities; All on four fixed prostheses and locator retained overdentures; to rehabilitate patients having problems associated with edentulous maxilla opposing mandibular implant assisted overdentures. Materials and methods: Ten patients complaining from looseness and instability of their maxillary dentures that oppose mandibular 2-implant-retained overdentures were randomly divided into 2 groups: Group I included 5 patients who received four implants according to the All-on- four Concept (2 parallel middle implants and 2 posterior implants with distal inclination). Implants were immediately loaded with fixed acrylic prosthesis, then after 6 months the prosthesis was replaced with fixed ceramometal restoration, Group II, included 5 patients who received four implants that were immediately loaded with Locator retained maxillary overdentures using new maxillary dentures. Clinical (plaque index (PI), gingival index (GI), probing depth (PD) and implant stability (IS)) and radiographic (marginal bone loss (MBL) outcomes were recorded at baseline (T0), 6 (T6) and 12 (T12) month after prosthesis insertion. | ||||
| Keywords | ||||
| Implant; overdenture; edentulous | ||||
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