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Int J Prosthodont. 2015 May-Jun;28(3):282-6. doi: 10.11607/ijp.4147.

Implant-abutment connection deformation after prosthetic procedures: an in vitro study.

Abstract

This study tested the possible damage to the internal implant connection provoked by repeated disconnection and reconnection of prosthetic components. Using a light-structured scanner, connection deformation was inferred by threedimensional (3D) positional changes of a "reference" abutment before and after multiple dis- and reconnections. Measurements were taken after 1, 2, 5, 10, and 20 insertions of titanium abutments in 16 internal hexagon implants. Statistical analysis revealed that multiple dis- and reconnections could cause a deformation in the implant-abutment connection, proportional to the number of insertion procedures. However, below the threshold of 10 cycles, 3D deformation values were minimal.

PMID:
25965644
DOI:
10.11607/ijp.4147
[Indexed for MEDLINE]

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