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Complete-arch implant-supported monolithic zirconia fixed dental prostheses: A systematic review
Aous A Abdulmajeed1, Kevin G Lim2, Timo O Närhi3
1Assistant Professor, Department of Prosthetic Dentistry, Institute of Dentistry, University of Turku, Turku, Finland; and Adjunct Assistant Professor, Department of Prosthodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC.
Statement Of Problem:
Monolithic zirconia prostheses are emerging as a promising option in the implant-based rehabilitations of edentulous patients, yet their clinical performance is not fully documented.
Purpose:
The purpose of this systematic review was to assess the clinical performance of complete-arch implant-supported monolithic zirconia fixed dental prostheses.
Material And Methods:
The electronic databases PubMed, Science Direct, and Cochrane Library were searched for clinical studies on complete-arch implant-supported monolithic zirconia fixed dental prostheses. Human studies with a mean follow-up of at least 1 year and published in an English-language peer-reviewed journal up to June 2015 were included. Two independent examiners conducted the search and the review process.
Results:
The search generated 903 titles. Eighteen qualifying studies were retrieved for full-text evaluation. Nine studies were included on the basis of preestablished criteria. Eight studies reported satisfactory clinical and esthetic outcomes. One study demonstrated prosthesis failure. Clinical studies are lacking on the long-term outcome of complete-arch implant-supported monolithic zirconia prostheses.
Conclusions:
Complete-arch dental implant restoration with monolithic zirconia is associated with high short-term success. Despite the many advantages and short-term favorable reports, studies of longer duration are necessary to validate the broad application of this therapy.
