Mechanical complications and Patient satisfaction in full arch monolithic zirconia and hybrid ceramics on titanium bar implant restorations for the rehabilitation of edentulous mandible: a randomized controlled trial

Document Type : Original Article

Authors

1 Department of prosthodontics, faculty of dentistry, Cairo University

2 Department of prosthodontics, faculty of dentistry, Cairo University, Cairo, Egypt

3 Department of prosthodontics, Faculty of dentistry, Cairo University, Cairo, Egypt

Abstract

Aim: To evaluate the difference of mechanical complications and patient satisfaction in monolithic zirconia and hybrid ceramics on titanium bar mandibular full arch implant restorations supported on 5 implants. Materials and methods: Complete, mandibular, edentulous patients were treated with an implant-supported fixed restoration. Five implants for each patient were placed. After 3 months, patients randomly received monolithic zirconia or hybrid ceramic on titanium bar implant-supported restorations. Mechanical complications were monitored after restoration placement at 6 months and 12 months later and patient questionnaire was done at the same intervals using OHIP-14 questionnaire. Results: This study was conducted on 20 completely edentulous patients that received 100 implants. Mechanical complications and patient OHIP were monitored six months and one year after implant loading. It was similar with no statistically significant difference. Conclusions: Both techniques are considered as reliable methods for restoring of completely edentulous mandible, with preference to hybrid ceramics on titanium bar regarding mechanical complications.

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Egyptian Dental Journal
Volume 71, Issue 3 - Serial Number 4
Fixed Prosthodontics, Removable Prosthodontics and Dental Materials
July 2025
Pages 2363-2372

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