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Licensed Unlicensed Requires Authentication Published by De Gruyter April 16, 2013

No influence of simultaneous bone-substitute application on the success of immediately loaded dental implants: a retrospective cohort study

  • Sigmar Kopp EMAIL logo , Detlef Behrend , Günther Kundt , Peter Ottl , Bernhard Frerich and Mareike Warkentin


Purpose: To examine the influence of bone-substitute application during implantation on the success of immediately placed and loaded dental implants.

Materials and methods: A total of 147 consecutive patients (age, 16.5–80.4 years) were provided with 696 immediately loaded implants. The mean follow-up time was 34.1 months. Of these implants, 50.4% (n=351) were immediately placed into extraction sockets. A total of 119 implants were added by simultaneous bone-substitute application (NanoBone, Artoss GmbH, Rostock Germany), whereas the other implants were placed in healed bone. Univariate and multivariate analysis was performed using IBM SPSS V.20.

Results: The overall implant success rate was 96.1%. Implants with simultaneous bone replacement had a hazard ratio of 0.877 (p=0.837); 95% CI, 0.253–3.04). Factors found to be statistically significant modifiers of success on multivariate analysis (p<0.05) included type of superstructure (p<0.001), implant-abutment connection (p<0.001), membrane use (p=0.010), and jaw (p=0.026). None of the other factors investigated were significant modifiers.

Conclusions: The present study demonstrates high success rates for immediately loaded implants and their superstructures independent of the simultaneous application of bone substitute. The declared aim of socket preservation, the prevention avoiding bone loss, is achieved in the immediate implant placement scenario under immediate-loading conditions.

Corresponding author: Dr. Sigmar Kopp, Niklotstraße 39, 18273 Güstrow, Germany


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Received: 2012-12-6
Accepted: 2013-3-26
Published Online: 2013-04-16
Published in Print: 2013-06-01

©2013 by Walter de Gruyter Berlin Boston

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