الفهرس 
Introduction
Combination syndromeOnly 14 pages are availabe for public view
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Abstract
Aim of the Study: The aim of this study was the assessment and comparison of Oral Health-Related Quality of Life (OHRQoL) with maxillary and mandibular dentures supported by four implants inserted according to ‘All-on-Four® concept ( fixed dentures versus milled bar overdentures). Materials and methods: Six edentulous patients were selected, each patient received four implants in the maxilla and four implants in the mandible; two implants in canine area and two implants in second premolar area. Three patients received implant supported screw-retrained fixed prosthesis and the other three patients received a milled-bar overdenture. “OHRQoL” evaluation by OHIP-14 questionnaire consisted of 14 items divided into 7 domains: functional limitation, physical pain, psychological discomfort, physical disability, psychological disability, social disability, and handicap. Results: Comparing OHIP scores for all domains and total OHIP score for all groups, there was a significant difference in all domains and in total OHIP score between groups. In multiple comparisons between each 2 groups there was a significant difference between CD and FP and between CD and MB for all items, all domains and total OHIP score. However, no significant difference was noted between FP and MB for all items, all domains and total OHIP score.
Conclusion: within the limitation of this study design regarding the small sample size it could be concluded that: MB overdentures and FP for implants placed according to “All on four concept” in edentulous maxilla and opposed by implant supported prosthesis in the mandible achieve higher OHIP compared to CD. No significant difference in OHRQoL was noted between MB overdenture and FP regarding all aspects and domains of OHIP.