In vitro shear bond strength over zirconia and titanium alloy and degree of conversion of extraoral compared to intraoral self-adhesive resin cements

IF 2.5 Q2 DENTISTRY, ORAL SURGERY & MEDICINE BDJ Open Pub Date : 2023-12-09 DOI:10.1038/s41405-023-00178-0

Vincent Fouquet, Claire-Adeline Dantagnan, Sarah Abdel-Gawad, Elisabeth Dursun, Jean-Pierre Attal, Philippe François

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Abstract

Objective

Evaluation of the Shear bond strength over zirconia and titanium alloy and degree of conversion of extraoral compared to intraoral self-adhesive resin cements.

Materials and methods

Nine bonding protocols were carried out on zirconia 4Y-TZP and titanium alloy (Ti-6Al-4V). Seven resin cement (one extraoral and six intraoral) were tested in the shear bond strength test and the degree of conversion measurements.

Results

The significantly highest value was obtained for Monobond Plus + Multilink Hybrid Abutment, the extraoral resin cement for both titanium alloy (35.1 MPa) and zirconia (32.9 MPa). For each resin, significantly higher DC values were obtained for the dual-cure mode compared with the self-cure mode. Regardless of the cure mode, Nexus Universal reached the highest DC (78.4%).

Discussion/Conclusions

In this study, the extraoral self-curing resin cement showed the higher bond strength values on zirconia and titanium alloy when associated with a universal primer. Some intraoral dual-cure resin cements showed closed performances when used with universal primers. There is no direct correlation between the degree of conversion of the resin cement and the shear bond strength obtained on the prosthetic materials tested.

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与口内自粘树脂水门汀相比，口外自粘树脂水门汀对氧化锆和钛合金的体外剪切粘接强度以及转化程度

材料和方法在氧化锆 4Y-TZP 和钛合金（Ti-6Al-4V）上进行了九种粘接试验。结果Monobond Plus + Multilink Hybrid基台是口外树脂粘结剂，对钛合金（35.1 MPa）和氧化锆（32.9 MPa）的粘结力值明显最高。对于每种树脂，双固化模式的 DC 值都明显高于自固化模式。讨论/结论在这项研究中，口外自固化树脂水门汀与通用底漆配合使用时，在氧化锆和钛合金上显示出更高的粘结强度值。一些口内双固化树脂水门汀在与通用底漆一起使用时表现出封闭性能。在测试的修复材料上，树脂水门汀的转化程度与获得的剪切粘接强度之间没有直接关系。

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