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Background <p>To evaluate the effectiveness of four chemical reagents in modifying the surfaces of four different metal alloys, specifically focusing on determining their shear bond strength (SBS) when bonded to self-adhesive resin cement.</p> Methods <p>Two hundred and eight metal alloy specimens (base metal alloys, noble metal alloys, high-noble metal alloys and titanium alloys) were divided into twenty groups based on the primers applied (Alloy primer, V-primer, Superbond C&amp;B monomer and Monobond etch &amp; prime). The modified surfaces were bonded to composite rods with RelyX U200. They were immersed in distilled water and subjected to 5000-cycle thermocycling. Subsequently, SBS was evaluated using a universal testing machine. Failure modes were examined with stereomicroscopy. Data were collected and statistically analyzed using Two-way ANOVA followed by Tukey’s post-hoc tests at 0.05 level of significance.</p> Results <p>Using an Alloy primer for high-noble metal and titanium alloys led to higher SBS than with base metal alloys and noble metal alloys (<i>p</i> &lt; 0.05). Conversely, the groups that utilized V-primer or Superbond C&amp;B monomer demonstrated the highest SBS when applied to high-noble metal alloys or base metal alloys, respectively. Additionally, in the group that used Monobond etch &amp; prime followed by rinsing with water, titanium alloys displayed a notably higher SBS than the other metal alloy groups (<i>p</i> &lt; 0.05).</p> Conclusions <p>The surface modification of four different metal alloys with various chemical reagents affects the SBS between the surfaces of these alloys and self-adhesive resin cement.</p>

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Effect of four chemical reagents on the shear bond strength of four different metal alloys bonded with self-adhesive resin cement

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年12月1日

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  • Sutinee Toanan,
  • Wisarut Prawatvatchara,
  • Awiruth Klaisiri,
  • Pranpreeya Chaiteerapapkul,
  • Tool Sriamporn,
  • Niyom Thamrongananskul

摘要

Background

To evaluate the effectiveness of four chemical reagents in modifying the surfaces of four different metal alloys, specifically focusing on determining their shear bond strength (SBS) when bonded to self-adhesive resin cement.

Methods

Two hundred and eight metal alloy specimens (base metal alloys, noble metal alloys, high-noble metal alloys and titanium alloys) were divided into twenty groups based on the primers applied (Alloy primer, V-primer, Superbond C&B monomer and Monobond etch & prime). The modified surfaces were bonded to composite rods with RelyX U200. They were immersed in distilled water and subjected to 5000-cycle thermocycling. Subsequently, SBS was evaluated using a universal testing machine. Failure modes were examined with stereomicroscopy. Data were collected and statistically analyzed using Two-way ANOVA followed by Tukey’s post-hoc tests at 0.05 level of significance.

Results

Using an Alloy primer for high-noble metal and titanium alloys led to higher SBS than with base metal alloys and noble metal alloys (p < 0.05). Conversely, the groups that utilized V-primer or Superbond C&B monomer demonstrated the highest SBS when applied to high-noble metal alloys or base metal alloys, respectively. Additionally, in the group that used Monobond etch & prime followed by rinsing with water, titanium alloys displayed a notably higher SBS than the other metal alloy groups (p < 0.05).

Conclusions

The surface modification of four different metal alloys with various chemical reagents affects the SBS between the surfaces of these alloys and self-adhesive resin cement.