Effect of Adhesive Application Method on the Enamel Bond Durability of a Two-Step Adhesive System Utilizing a Universal Adhesive-Derived Primer

Toshiki Takamizawa; Munenori Yokoyama; Keiichi Sai; Sho Shibasaki; Wayne W. Barkmeier; Mark A. Latta; Akimasa Tsujimoto; Masashi Miyazaki

doi:10.3390/app11167675

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Effect of Adhesive Application Method on the Enamel Bond Durability of a Two-Step Adhesive System Utilizing a Universal Adhesive-Derived Primer

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Effect of Adhesive Application Method on the Enamel Bond Durability of a Two-Step Adhesive System Utilizing a Universal Adhesive-Derived Primer

Toshiki Takamizawa, Munenori Yokoyama, Keiichi Sai, Sho Shibasaki, Wayne W. Barkmeier, Mark A. Latta, Akimasa Tsujimoto and Masashi Miyazaki

Applied sciences, Vol.11(7675), p.7675

08/01/2021

DOI: 10.3390/app11167675

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Abstract

This study aimed to evaluate the effect of the adhesive application method on the durability of the enamel bond and the thickness of the adhesive layer. A new-generation two-step universal adhesive system, G2-Bond Universal, and two conventional two-step adhesive systems were utilized. The shear bond strength to bovine enamel was measured after thermal cycling in both etch-and-rinse and self-etch modes. Fifteen specimens were divided into three groups as follows: Group I, wherein a strong air stream was applied over the bonding agent for 5 s; Group II, wherein a gentle air stream was applied over the bonding agent for 5 s; and Group III, which was prepared as in Group II, followed by the application of a second layer of the bonding agent and a gentle air stream for 5 s. The durability of the enamel bond and thickness of the tested adhesives were influenced by the application method in both etching modes. The application method used in Group II appeared to be most suitable in terms of the bonding of the adhesives to the enamel. The new-generation two-step self-etch adhesive, comprising a universal adhesive-derived primer and a hydrophobic bonding agent, showed superior bond performance to the conventional two-step adhesive systems.

adhesive layer thickness

enamel bond durability

two-step adhesive system

universal adhesive-derived primer

Details

Title: Subtitle: Effect of Adhesive Application Method on the Enamel Bond Durability of a Two-Step Adhesive System Utilizing a Universal Adhesive-Derived Primer
Creators: Toshiki Takamizawa - Department of Operative Dentistry, Nihon University School of Dentistry, Tokyo 101-8310, Japan
Munenori Yokoyama - Department of Operative Dentistry, Nihon University School of Dentistry, Tokyo 101-8310, Japan
Keiichi Sai - Department of Operative Dentistry, Nihon University School of Dentistry, Tokyo 101-8310, Japan
Sho Shibasaki - Department of Operative Dentistry, Nihon University School of Dentistry, Tokyo 101-8310, Japan
Wayne W. Barkmeier - Department of General Dentistry, Creighton University School of Dentistry, Omaha, NE 68102, USA
Mark A. Latta - Department of General Dentistry, Creighton University School of Dentistry, Omaha, NE 68102, USA
Akimasa Tsujimoto - Department of Operative Dentistry, University of Iowa College of Dentistry, Iowa City, IA 52242, USA
Masashi Miyazaki - Department of Operative Dentistry, Nihon University School of Dentistry, Tokyo 101-8310, Japan
Resource Type: Journal article
Publication Details: Applied sciences, Vol.11(7675), p.7675
DOI: 10.3390/app11167675
eISSN: 2076-3417
Publisher: MDPI AG
Grant note: DOI: 10.13039/501100001691, name: Japan Society for the Promotion of Science, award: 19K10158, 21K16975, 21K09900; name: Sato Fund (2021) and by a grant from the Dental Research Center of the Nihon University School of Dentistry, award: 2021
Language: English
Date published: 08/01/2021
Academic Unit: Operative Dentistry
Record Identifier: 9984176686902771

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