English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

The purpose of the current study was to evaluate the effect of etching with potassium hydrogen difluoride (KHF 2 ) and ammonium hydrogen difluoride (NH 4 HF 2 ) on the bond strength of a self-polymerizing methyl methacrylate resin (MMA-TBB) bonded to zirconia. Zirconia disks were prepared using the following surface treatment: no treatment, alumina blasting, and etching with KHF 2 or NH 4 HF 2 . The specimens were bonded with the MMA-TBB. The shear bond (Ø=5 mm) strength was measured. The surface free energies of the specimens were determined by measuring contact angles. The KHF 2 and NH 4 HF 2 groups exhibited higher shear bond strength and surface free energy than did the alumina blasting and no treatment groups. Compared with alumina blasting, etching with KHF 2 and NH 4 HF 2 exhibited superior bonding ability of mechanical retention to zirconia.

dental materials journal

Effect of etching with potassium hydrogen difluoride and ammonium hydrogen difluoride on bonding of a tri-&lt;i&gt;n&lt;/i&gt;-butylborane initiated resin to zirconia