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The effect of offset implant configuration on bone stress distribution: a systematic review.

Batista, Victor Eduardo de Souza; Santiago Junior, Joel Ferreira; Almeida, Daniel Augusto de Faria; Lopes, Leonardo Ferreira de Toledo Piza; Verri, Fellippo Ramos; Pellizzer, Eduardo Piza.
J Prosthodont; 24(2): 93-9, 2015 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-25220644


The aim of this systematic review was to compare straight-line and offset implant configurations for three-element implant-retained prostheses. MATERIALS AND


Two independent reviewers conducted a review on PubMed/Medline, EMBASE, and Cochrane Library for studies published in English, from January 1, 1995 to January 17, 2014. A systematic review was conducted following the PRISMA statement. All relevant titles were selected according to inclusion/exclusion criteria. From this pool of titles, abstracts and full texts were reviewed.


A total of 6080 titles were identified with the initial search. Twenty-one were selected based on title and abstract. Of these, after discussion and complete reading, 12 studies were selected according to the inclusion and exclusion criteria, all of which were in vitro studies.


A systematic review of the current literature showed only in vitro evidence that there is no consensus on the advantage of using an offset configuration implant compared to those in straight-line configuration, even though some studies present a slight improvement of bone stress distribution when an offset implant is under oblique loading (PICO).
Selo DaSilva