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Clin Oral Implants Res. 2015 Dec;26(12):1414-20. doi: 10.1111/clr.12470. Epub 2014 Sep 19.

A randomized controlled trial comparing interim acrylic prostheses with and without cast metal base for immediate loading of dental implants in the edentulous mandible.

Author information

1
Department of Implantology, Latin American Institute of Dental Research and Education, Curitiba, PR, Brazil.
2
Department of Prosthodontics, Latin American Institute of Dental Research and Education, Curitiba, PR, Brazil.
3
Department of Prosthodontics (MOT), Fluminense Federal University, School of Dentistry, Niterói, RJ, Brazil.

Abstract

OBJECTIVES:

This randomized controlled trial used resonance frequency analysis (RFA) to assess the effects of the presence or absence of a cast rigid bar splinting multiple implants in the stability of immediately loaded implants.

MATERIAL AND METHODS:

Twenty-nine edentulous patients were randomly divided into two groups: G1 with full-arch implant-fixed prostheses and G2 with multiple implant splinting via acrylic resin denture bases. All implants were immediately loaded. RFA measurements assessed implant stability at three different times (T0--at baseline, T1--4 months, and T2--8 months. Wilcoxon and Friedman tests and a multivariate model with repeated measures for longitudinal data were used for statistical comparison (α = 0.05).

RESULTS:

Twenty-nine patients were assessed (G1 = 15 and G2 = 14). Implant and prostheses survival rates were 100% for both groups after the 8-month observation period and no significant differences in the mean ISQ values were found at the different implant stability assessment times (P > 0.05).

CONCLUSIONS:

The different splinting protocols did not appear to affect implant stability during the 8-month observation period.

KEYWORDS:

edentulous mandible; immediate dental implant loading; implant stability; implant-supported dental prosthesis; osseointegration

PMID:
25238031
DOI:
10.1111/clr.12470
[Indexed for MEDLINE]

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