The influence of crown-to-implant ratio in single crowns on clinical outcomes: A systematic review and meta-analysis

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dc.contributor.authorPellizzer, Eduardo Piza [UNESP]
dc.contributor.authorMarcela de Luna Gomes, Jéssica [UNESP]
dc.contributor.authorAraújo Lemos, Cleidiel Aparecido [UNESP]
dc.contributor.authorMinatel, Lurian [UNESP]
dc.contributor.authorJustino de Oliveira Limírio, João Pedro [UNESP]
dc.contributor.authorDantas de Moraes, Sandra Lúcia
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionPernambuco University (UPE)
dc.date.accessioned2020-12-12T02:49:58Z
dc.date.available2020-12-12T02:49:58Z
dc.date.issued2020-01-01
dc.description.abstractStatement of problem: A consensus about the effect of crown-to-implant (C/I) ratio in single crowns regarding the implant survival rate and marginal bone loss (MBL) is lacking. Purpose: The purpose of this systematic review and meta-analysis was to evaluate the influence of C/I ratio in implant-supported single crowns on clinical outcomes. Material and methods: The search was made in the PubMed/MEDLINE, Scopus, and the Cochrane Library databases following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses criteria and registered with the International Prospective Register of Systematic Reviews (PROSPERO: CRD42018095711). The focused question was “Does the crown-to-implant ratio influence clinical outcomes for implant-supported single crowns?” Results: Five direct comparative studies were included (C/I ratio ≤1 or >1, or ≤2 or >2), including a total of 262 participants with a mean age of 54.5 years. The meta-analysis comparing C/I ratio between ≤1 or >1 revealed no significant differences (P=.18; risk difference:-0.05; 95% confidence interval: -0.11 to 0.02) in terms of implant survival rate; the same was true for C/I ratio between <2 or ≥2 (P=.05; risk difference:-0.06; 95% confidence interval: -0.12 to -0.00), both analysis were made with a mean follow-up period was 36 months. The mean MBL was calculated based in the qualitative data for each C/I ratio: ≤1 (0.15 mm [-0.34 to 0.34]); >1 (0.07 mm [-0.29 to 0.22]); <2 (1.32 mm [0.38-0.9]); and ≥2 (1.37 mm [-0.02 to 0.91]). The qualitative data reported that the most common mechanical complication was screw loosening, and the most common biological complication was peri-implantitis. Conclusions: The meta-analysis revealed no relationship between categories of C/I ratio for implant survival rate. The qualitative data also suggested that MBL increased as the C/I ratio increased.en
dc.description.affiliationFull Professor Department of Dental Materials and Prosthodontics Sao Paulo State University (UNESP)
dc.description.affiliationPostgraduate student Department of Dental Materials and Prosthodontics Sao Paulo State University (UNESP)
dc.description.affiliationAdjunct Professor Faculty of Dentistry Pernambuco University (UPE)
dc.description.affiliationUnespFull Professor Department of Dental Materials and Prosthodontics Sao Paulo State University (UNESP)
dc.description.affiliationUnespPostgraduate student Department of Dental Materials and Prosthodontics Sao Paulo State University (UNESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipIdCNPq: 306288/2016-8
dc.identifierhttp://dx.doi.org/10.1016/j.prosdent.2020.06.010
dc.identifier.citationJournal of Prosthetic Dentistry.
dc.identifier.doi10.1016/j.prosdent.2020.06.010
dc.identifier.issn1097-6841
dc.identifier.issn0022-3913
dc.identifier.scopus2-s2.0-85090989005
dc.identifier.urihttp://hdl.handle.net/11449/202105
dc.language.isoeng
dc.relation.ispartofJournal of Prosthetic Dentistry
dc.sourceScopus
dc.titleThe influence of crown-to-implant ratio in single crowns on clinical outcomes: A systematic review and meta-analysisen
dc.typeResenha

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Artigos - Materiais Odontológicos e Prótese - FOA