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Research Paper | Dental Science | Egypt | Volume 7 Issue 8, August 2018 | Popularity: 6.7 / 10

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Comparison of the Effect of Using Two Different Types of Bar Overdentures on the Supporting Structures of Mandibular Edentulous Ridge Area

Mohamed Z. Debis, Amr I. Badr, Emad M. Agamy, Gehan F. Mohamed

Abstract: Statement of problem mandibular conventional denture is no longer the most appropriate treatment approach, nowadays mandibular two-implant overdentures significantly enhances levels of patient satisfaction as compared to complete dentures Purpose The aim of the present study was to evaluate the peri-implant supporting tissue clinically and radiographically for implant-supported overdentures in the mandible retained by two different bar attachments materials (zirconium and metallic bar) during a year period. Materials and Methods twelve completely edentulous patients had two dental implants placed in the anterior part of the mandible. The patients divided randomly into two equal groups. Six patients received zirconium bar attachment system and the other group received metallic (Cr-co) bar attachment, Cone beam radiographs were obtained for the assessment of peri-implant bone loss and density. Results No implants were lost from baseline to a year registration. Metallic bar attachments showed significant peri-implant crestal bone loss also there was no significant difference regarding bone density changes around the implants for both groups. Conclusion Two implants with zirconium and metallic bar attachment supported an overdenture in the mandible for a year with a 100 % survival rate. There was better marginal bone loss for zirconium bar attachment and no difference in bone density.

Keywords: mandibular overdenture, two implants, zirconium bar, metallic bar

Edition: Volume 7 Issue 8, August 2018

Pages: 1527 - 1532

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