Opin vísindi

A systematic review of the survival and complication rates of zirconia‐ceramic and metal‐ceramic single crowns

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dc.contributor Háskóli Íslands (HÍ)
dc.contributor University of Iceland (UI)
dc.contributor.author Pjetursson, Bjarni Elvar
dc.contributor.author Valente, Nicola A
dc.contributor.author Strasding, Malin
dc.contributor.author Zwahlen, Marcel
dc.contributor.author Liu, Shiming
dc.contributor.author Sailer, Irena
dc.date.accessioned 2019-12-19T11:15:58Z
dc.date.available 2019-12-19T11:15:58Z
dc.date.issued 2018-10
dc.identifier.citation Pjetursson BE, Valente NA, StrasdingM, Zwahlen M, Liu S, Sailer I. A systematic review of thesurvival and complication rates of zirconia­ceramic and metal­ceramic single crowns. Clin Oral Impl Res. 2018;29(Suppl. 16):199–214. https://doi.org/10.1111/clr.13306
dc.identifier.issn 0905-7161
dc.identifier.issn 1600-0501 (eISSN)
dc.identifier.uri https://hdl.handle.net/20.500.11815/1411
dc.description Publisher's version (útgefin grein)
dc.description.abstract Objectives: The aim of the present systematic review was to analyze the survival and com­plication rates of zirconia ­based and metal ­ceramic implant ­supported single crowns (SCs).Materials and Methods: An electronic MEDLINE search complemented by manual searching was conducted to identify randomized controlled clinical trials, prospectivecohort and retrospective case series on implant ­supported SCs with a mean follow ­up time of at least 3years. Patients had to have been clinically examined at the follow ­up visit. Assessment of the identified studies and data extraction was performedindependently by two reviewers. Failure and complication rates were analyzed using robust Poisson’s regression models to obtain summary estimates of 5­year proportions.Results: The search provided 5,263 titles and 455 abstracts, full ­text analysis was performed for 240 articles, resulting in 35 included studies on implant­supported crowns. Meta ­analysis revealed an estimated 5­year survival rate of 98.3% (95% CI: 96.8–99.1) for metal ­ceramic implant supported SCs (n = 4,363) compared to 97.6% (95% CI: 94.3–99.0) for zirconia implant supported SCs (n = 912). About 86.7% (95% CI: 80.7–91.0) of the metal ­ceramic SCs (n = 1,300) experienced no biological/technical complications over the entire observation period. The corresponding rate for zirconia SCs (n = 76) was 83.8% (95% CI: 61.6–93.8). The biologic outcomes of the two types of crowns were similar; yet, zirconia SCs exhibited less aesthetic complications than metal ­ceramics. The 5­year incidence of chipping of the veneering ceramic was similar between the material groups (2.9% metal ­ceramic, 2.8% zirconia­ceramic). Significantly (p = 0.001), more zirconia­ceramic implant SCs failed due to material fractures (2.1% vs. 0.2% metal ­ceramic implant SCs). No studies on newer types of monolithic zirconia SCs fulfilled the simple inclusion criteria of 3 years follow ­up time and clinical examination of the present systematic review.Conclusion: Zirconia­ceramic implant­supported SCs are a valid treatment alternative to metal ­ceramic SCs, with similar incidence of biological complications and less aesthetic problems. The amount of ceramic chipping was similar between the material groups; yet, significantly more zirconia crowns failed due to material fractures.
dc.description.sponsorship This systematic review was performed in the context of the ITI Consensus Conference 2018. The reviewers would like to thank all contacted authors that provided additional information on their studies that helped complete the data set analyzed in the present work. Special thanks to Dr. Paolo Vigolo and his team for their huge effort in that respect.
dc.format.extent 199-214
dc.language.iso en
dc.publisher Wiley
dc.relation.ispartofseries Clinical Oral Implants Research;29(S16)
dc.rights info:eu-repo/semantics/openAccess
dc.subject Biological
dc.subject Complications
dc.subject Fixed dental prostheses
dc.subject Implant crown
dc.subject Meta­-analysis
dc.subject Metal-­ceramics
dc.subject Succes
dc.subject Survival
dc.subject Systematic review
dc.subject Technical
dc.subject Zirconia framework
dc.subject Tannlækningar
dc.subject Tannfyllingarefni
dc.title A systematic review of the survival and complication rates of zirconia‐ceramic and metal‐ceramic single crowns
dc.type info:eu-repo/semantics/article
dcterms.license This is an open access article under the terms of the Creative Commons Attribution­NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
dc.description.version Peer Reviewed
dc.identifier.journal Clinical Oral Implants Research
dc.identifier.doi 10.1111/clr.13306
dc.contributor.department Tannlæknadeild (HÍ)
dc.contributor.department Faculty of Odontology (UI)
dc.contributor.school Heilbrigðisvísindasvið (HÍ)
dc.contributor.school School of Health Sciences (UI)

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