The influence of history of severe periodontitis on estimated long-term marginal bone loss around implants restored with fixed segmented full-arch rehabilitation

Pablo Galindo-Moreno*, Andres Catena, Lucia Lopez-Chaichio, Tiago Borges, Francisco O’Valle, Laura Torrecillas-Martínez, Miguel Padial-Molina

*Autor correspondente para este trabalho

Resultado de pesquisarevisão de pares

1 Citação (Scopus)
13 Transferências (Pure)

Resumo

The aim of this study was to analyze the long-term marginal bone level (MBL) of implants supporting fixed full-arch restoration in patients who had previously lost their dentition due to severe periodontitis. This retrospective study included 35 patients in whom 342 implants with internal tapered conical connections were placed. MBL was analyzed radiographically over time and a long-term estimation of MBL was calculated. A mixed linear model with abutment height, graft, diameter and location (maxilla/mandible) as factors and gender, age, implant length and prosthetic variables as covariates was used to evaluate the influence on MBL. MBL in these patients showed an estimator of predictions at 4108 days after loading of −0.307 mm, SE = 0.042. Only 0.15% of implants were radiographically affected with MBL of 3 mm or more. The mixed linear model results showed a main effect of the type of opposing dentition, gender, implant diameter, and abutment height. Particularly, an abutment height of 1 mm had associated larger MBL than the remaining heights. Thus, it can be concluded that dental implants restored with fixed segmented full-arch rehabilitation in patients with a history of severe periodontal disease do not suffer important marginal bone loss if some specific factors are considered, mainly the use of long transmucosal abutments (≥2 mm).

Idioma originalEnglish
Número do artigo6665
Número de páginas16
Revista Journal of Clinical Medicine
Volume12
Número de emissão20
DOIs
Estado da publicaçãoPublicado - 21 out. 2023

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