Radiographic evaluation of crestal bone loss around one- piece versus two-piece implant with bar retaining mandibular overdenture. (A Randomized clinical trial)

Badr, amr; Zaki, Mohamed

doi:10.21608/edj.2022.157196.2223

	Radiographic evaluation of crestal bone loss around one- piece versus two-piece implant with bar retaining mandibular overdenture. (A Randomized clinical trial)
Egyptian Dental Journal
Article 30, Volume 68, Issue 4, October 2022, Page 3717-3724 PDF (1.26 MB)
Document Type: Original Article
DOI: 10.21608/edj.2022.157196.2223
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Authors
amr Badr ¹; Mohamed Zaki ²
¹Associate Professor, Prosthodontics Department, Faculty of Dentistry, Minia University
²Assistant Professor, Prosthodontics Department , Faculty of Dentistry, Pharos University
Abstract
Two mandibular splinted implants offer better denture support and load distribution. Methodology: completely edentulous patients divided into two groups receiving two implants at canine region splinted by bar, group I (two-piece implant) and group II (one-piece implant). Radiographic assessment of marginal bone loss mesially and distally to implants in both groups was measured using Digora software. Purpose: was to evaluate and compare the effect of using one -piece versus two-piece implants with bar retaining mandibular overdentures on the crestal bone loss. Results: A statistically significant increase of marginal bone loss after 3,6,9 and 12 months within each group and also between the one-piece and two- piece implant groups favoring the one- piece group which gives less crestal bone loss. Conclusion: within the limitation of this study it was concluded that: both implant systems reveal high success rate and within range crestal bone loss over a one-year follow-up study but in favor of the one-piece implant design.
Keywords
one-piece and two-piece dental implants; bar and clip; mandibular overdenture; crestal bone loss


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