Format

Send to

Choose Destination
J Adhes Dent. 2018;20(2):143-149. doi: 10.3290/j.jad.a40297.

Effectiveness of Titanium Tetrafluoride on the Bond Strength of Composite Cement to Titanium.

Abstract

PURPOSE:

To assess the influence of titanium tetrafluoride (TiF4) solution on the adhesion of composite cement to commercially pure titanium (cp Ti).

MATERIALS AND METHODS:

cp Ti plates with dimensions of 30 mm × 8 mm × 1.5 mm were machined and polished. The specimens were divided into seven groups according to the surface treatment as follows: group 1: control (machined); group 2: sandblasted with 110 µm Al2O3; group 3: hydrofluoric acid (HF); group 4: TiF4 (5%-5 min); group 5: TiF4 (5%-10 min); group 6: TiF4 (10%-5 min); and group 7: TiF4 (10%-10 min). One type of composite cement (Multilink Speed) was applied to each group for assessing the bond strength using strain energy release rate (G-value, J/m2) test. SEM analysis and surface roughness evaluation of cp Ti were carried out after treatment. The debonded specimens were examined with a stereomicroscope and SEM. Data were analyzed by the Kruskal-Wallis and Dunn's multiple comparison tests. Statistical significance was set at the 0.05 probability level.

RESULTS:

All the tested groups showed significantly higher bond strengths compared with the control group (p < 0.05). Surface treatment of cp Ti with TiF4 (10%-10 min) showed higher bond strength compared with sandblasting and HF groups (p < 0.05). Surface topography of treated cp Ti showed alterations in surface roughness and morphology.

CONCLUSION:

Adhesion between composite cement and cp Ti could be improved by using TiF4 (10%-10 min) solution prior to composite cement application as an alternative technique to sandblasting and HF.

KEYWORDS:

bond strength; composite cement; cp Ti; strain energy release rate; surface roughness; titanium tetrafluoride

PMID:
29693083
DOI:
10.3290/j.jad.a40297

Supplemental Content

Full text links

Icon for Quintessence Publishing Co., Ltd
Loading ...
Support Center