Microstructural and topographical characterization of different surface treatments of a surgical titanium alloy for dental implants.

Abstract:

OBJECTIVE:To perform a topographical characterization of a titanium alloy subjected to different surface treatments using roughness evaluation, scanning electron microscopy, and atomic force microscopy. MATERIALS AND METHODS:For each group, 6 discs of a titanium alloy had their surfaces modified by 4 treatments. All surfaces were blasted with Al2O3, cleaned, and the specimens were divided into 4 groups: G1, immersion in a standardized acid solution (SAS) (control group); G2, immersion in acetone, followed by immersion in SAS; G3, immersion in acetone, followed by immersion in SAS, followed by immersion in nitric acid; G4, immersion in acetone, followed by immersion in SAS, followed by immersion in sulfuric acid. Roughness parameters were determined with a roughness tester, and data were statistically analyzed using analysis of variance and Tukey tests (α = 5%). RESULTS:Regarding the roughness parameters, no significant differences were found. Scanning electron microscopy and atomic force microscopy showed irregular surfaces with the presence of particles uniformly deposited on the surfaces. CONCLUSION:A similar roughness pattern was created for all the groups. The images and topographic profiles indicated that all the groups showed high levels of roughness.

journal_name

Implant Dent

journal_title

Implant dentistry

authors

Carimo Marino LA,Deliberador TM,Zielak JC,Correr GM,Giovanini AF,Gonzaga CC

doi

10.1097/ID.0b013e3182566e19

subject

Has Abstract

pub_date

2012-06-01 00:00:00

pages

207-12

issue

3

eissn

1056-6163

issn

1538-2982

journal_volume

21

pub_type

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