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. 2023 Mar 30;15(3):e36894.
doi: 10.7759/cureus.36894. eCollection 2023 Mar.

Evaluation of Bond Strength of Resin and Non-resin Cements to Different Alloys

Navneet K Mann  1 , Gagandeep K Chahal  1 , Jaspinder Singh Gil  1 , Sahil Kainth  1 , Mitasha Sachdeva  1 , Shagufta Verma  1
Affiliations

Evaluation of Bond Strength of Resin and Non-resin Cements to Different Alloys

Navneet K Mann et al. Cureus. .

Abstract

Background: A strong metal-cement bond is one of the many factors that contribute to the clinical success of a fixed prosthesis. Even though it is crucial to create ideal resistance and retention forms during tooth preparation, dental cement must be strong enough to hold the restoration in place in the mouth. The present study set out to evaluate and compare the binding strength of resin modified glass ionomer cement, resin cement, and glass ionomer cement to four different metal alloys: titanium alloy, cobalt-chromium (Co-Cr) alloy, nickel-chromium (Ni-Cr) alloy, and noble metal alloys (silver palladium based).

Methods: Two hundred and forty metal alloy specimens were created; these were fashioned from (i) a noble metal alloy (silver-palladium based), (ii) a titanium alloy, (iii) a cobalt-chromium alloy, and (iv) a nickel-chromium alloy. A universal testing machine was used to perform the shear test, and statistical analysis of the result was done using a two-way analysis of variance (ANOVA) test and Bonferroni test. Results: The Co-Cr alloy among the cement under investigation had the highest mean value of shear bond strength of 8.06 MPa, whereas a noble metal alloy had the lowest shear strength with a mean value of 5.36 MPa. The resin cement demonstrated the highest shear strength with a mean value that was higher than the other two types of cement. The shear bond strength of the examined samples was significantly affected by the interaction of the alloy and cement, according to the two-way ANOVA test (p=0.001).

Conclusion: The results demonstrate that resin cement offers a stronger bond, followed by resin-modified GIC and GIC. The Co-Cr alloy had the highest shear bond strength, followed by Ni-Cr, titanium, and noble metal alloy which showed significantly lower shear strength than the other three alloys.

Keywords: alloy; bond strength; fixed prosthesis; metal-cement bond; resin.

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Conflict of interest statement

The authors have declared that no competing interests exist.

Figures

Figure 1
Figure 1. Representation of the metal die.
Figure 2
Figure 2. Casted samples used.
Figure 3
Figure 3. Schematic representation of the testing of the bond strength.
Figure 4
Figure 4. Bar diagram to show the comparison of shear bond strength.
See this image and copyright information in PMC

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