An evaluation of new designs in implant-abutment connections: a finite element method assessment.

Abstract:

PURPOSE:This research sought first to evaluate the differences in the finite element method (FEM) analysis of 4 different implant surfaces, including internal and external connections of the same manufacturer with additional modifications. METHODS:In this study, 4 dental implants from the same manufacturer were compared. A connection system was modified with a collar to improve its stability. A nonlinear dynamic analysis by FEM was used to calculate the transient response of the dental implant systems. RESULTS:The results of FEM analysis indicated that the implant-modified configuration is more efficient in loading support when compared with the others. CONCLUSION:In the present research, 4 different types of connections were evaluated: a modified internal hex connection with a collar (to increase stability), an internal hex connection, a standard connection without hex, and an external connection. These data demonstrated that the internal hex connection with the modification of the manufacturer's original is much more resistant to loosening and/or distortion than the traditional hex.

journal_name

Implant Dent

journal_title

Implant dentistry

authors

Covani U,Ricci M,Tonelli P,Barone A

doi

10.1097/ID.0b013e318292625f

subject

Has Abstract

pub_date

2013-06-01 00:00:00

pages

263-7

issue

3

eissn

1056-6163

issn

1538-2982

journal_volume

22

pub_type

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