Abstract

To assess the role of prefabricated SFI-Bar in peri-implant bone loss around immediately axially loaded and straight implants. This study comprised of 40 complete denture wearer patients who received two axially parallel implants connected by SFI-Bars in group I and two 15° mesially tilted implants connected by SFI-Bars in group II. Peri- implant bone loss (PiBL) was measured at 1 year, 2 years and 3 years. The mean PiBL at 1 year in group I was 0.21 mm and I group II was 0.22, at 2 years in group I was 0.26 mm and in group II was 0.23 mm and at 3 years, in group I was 0.29 mm and in group II was 0.34 mm. The difference was significant at 3 years (P< 0.05). The mean mesial PIBL at 1 year in group I was 0.18 mm, in group II was 0.20 mm, at 2 years in group I was 0.19 mm and in group II was 0.07 mm and at 3 years, in group I was 0.25 mm and in group II was 0.29 mm. The difference found to be significant in each time duration in both groups (P< 0.05).The mean distal PIBL at 1 year in group I was 0.23 mm, in group II was 0.22 mm, at 2 years in group I was 0.33 mm and in group II was 0.39 mm and at 3 years, in group I was 0.34 mm and in group II was 0.39 mm. The difference found to be significant at 2 and 3 years in both groups (P< 0.05). Authors found that mandibular overdentures retained with Prefabricated SFI-Bar with axial and straight inserted implants may be useful in patients with reduced bone height.

Highlights

  • With the overall increase in life expectancy of Indian population, the number of edentulous patients had rise significantly

  • Group I comprised of 20 patients who received two axially parallel implants connected by Stress- free implant bar (SFI-Bar) and group II comprised of 20 patients received two 15° mesially tilted implants connected by SFI-Bars

  • This study comprised of 40 complete denture wearer patients who received two axially parallel implants connected by SFI-Bars in group I and two 15° mesially tilted implants connected by SFI-Bars in group II

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Summary

Introduction

With the overall increase in life expectancy of Indian population, the number of edentulous patients had rise significantly. In old patients with severe residual alveolar bone loss, bar attachments and double crowns proved to be advantageous. Bar attachments in implant-supported overdentures offer less bending movements by permitting rotation of the denture base around the supporting implants [4] Certain oral conditions such as excessive bleeding from plant site, mucosal swelling etc. SFI-bar adaptor allows 30° for the tilted implants and permits fabrication of a passive-fit bar and clip system. This system minimizes the force transfer to the implants and results in less marginal bone loss [7.] it is of interest to assess the role of prefabricated SFI-Bar in peri-implant bone loss around immediately axially loaded and straight implants

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