Short Implant and Heavy Smokers as Predictors for Failure of Immediate Implants: a Retrospective Study

The possibility of installing implants in fresh sockets was first proposed as a viable treatment option in the 1970s. Objective: to assess the relationships of subject-level and implant-level characteristics on the failure of immediate implants installed in sites that contained teeth associated or n...

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Published in:Journal of clinical and experimental dentistry 2023-11, Vol.15 (11), p.e874-e881
Main Authors: da Silva, Alexandre-Marques-Paes, da Silva, Ana-Paula-Marques-Paes, Vieira, Mayra-Stambovsky, Canabarro, Antônio, Gonçalves, Lucio-Souza, Ferreira, Dennis-de Carvalho
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Language:English
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Summary:The possibility of installing implants in fresh sockets was first proposed as a viable treatment option in the 1970s. Objective: to assess the relationships of subject-level and implant-level characteristics on the failure of immediate implants installed in sites that contained teeth associated or not with chronic apical periodontitis. A retrospective study was undertaken with data from patients who received immediate implants with a minimum follow-up of 12 months after loading. The Generalized Estimating Equation, applying a multiple logistic regression model, was employed to investigate the association between predictor variables/co-variables and failure of the immediate implants. Four hundred and twenty-three implants were installed (208 uninfected/215 infected sites) in 186 patients (92 men/96 women) with a mean age of 57.1 years old. The survival rate of implants was 91%. Approximately half (215/50.8%) of the alveoli that received immediate implants had chronic apical periodontitis associated with the extracted teeth, and 191 (88.8%) of these survived until the last follow-up visit. When the infection-free sites were analyzed, this frequency was higher (93,3%), but the presence of chronic apical periodontitis did not show statistical significance in the implant failure ( =0.167). Smokers with a consumption of more than 20 cigarettes/day and short implants had more failures (OR:7.66, =0.012; OR:14.06, =0.002; respectively). Short implants and consumption of more than 20 cigarettes/day were important predictors for failure of immediate implants, regardless of presence of chronic apical periodontitis. Osseointegration, dental implant, smokers, study, immediate dental implant loading.
ISSN:1989-5488
1989-5488
DOI:10.4317/jced.60238