The Open Dentistry Journal

ISSN: 1874-2106 ― Volume 14, 2020

Bond Strength of a Novel One Bottle Multi-mode Adhesive to Human Dentin After Six Months of Storage

Fernanda Borguetti Manfroi1, Maurem Leitão Marcondes1, Deise Caren Somacal1, Gilberto Antonio Borges2, Luiz Henrique Burnett Júnior1, Ana Maria Spohr3, *
1 Department of Restorative Dentistry, School of Dentistry, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil
2 Department of Restorative Dentistry, Uberaba University, Uberaba, Brazil
3 Department of Dental Materials, School of Dentistry, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil



The aim of the study was to evaluate the microtensile bond strength (µTBS) of Scotchbond Universal to dentin using the etch-and-rinse or the self-etch technique after 24 h and 6 months of storage.

Materials and Methods:

Flat dentin surfaces were obtained in 24 third molars. The teeth were divided into four groups: G1 – Scotchbond Universal applied in the etch-and-rinse mode; G2 – Scotchbond Universal applied in the self-etch mode; G3 – Scotchbond Multi-Purpose; G4 – Clearfil SE Bond. A block of composite was built on the adhesive area. The tooth/resin sets were cut parallel to the long axis to obtain 40 beams (~0.8 mm2) for each group. Twenty specimens were immediately submitted to the µTBS test, and the remaining 20 were stored in water for 6 months. Failures and the adhesive interface were analyzed by SEM.


According to two-way ANOVA, the interaction between adhesive and storage time was significant (p=0.015).The µTBS (MPa) means were the following: 24 h – G1 (39.37±10.82), G2 (31.02±13.76), G3 (35.09±14.03) and G4 (35.84±11.06); 6 months – G1 (36.99±8.78), G2 (40.58±8.07), G3 (32.44±6.07) and G4 (41.75±8.25). Most failures were mixed. Evidence of hybrid layer and numerous resin tags were noted for Scotchbond Universal applied with the etch-and-rinse mode and Scotchbond Multi-Purpose. A thinner hybrid layer and fewer resin tags were noted for Scotchbond Universal applied in the self-etch mode and Clearfil SE Bond.


The results indicate that the µTBS for Scotchbond Universal is comparable to the gold-standard adhesives. Scotchbond Universal applied in the self-etch mode and Clearfil SE Bond revealed higher bond stability compared to the etch-and-rinse mode.

Keywords: Adhesive systems, Bond strength, Dentin, Interface, Microtensile, Storage.

Article Information

Identifiers and Pagination:

Year: 2016
Volume: 10
First Page: 268
Last Page: 277
Publisher Id: TODENTJ-10-268
DOI: 10.2174/1874210601610010268

Article History:

Received Date: 1/2/2015
Revision Received Date: 1/5/2016
Acceptance Date: 2/5/2016
Electronic publication date: 06/06/2016
Collection year: 2016

© Manfroi et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution-Non-Commercial 4.0 International Public License (CC BY-NC 4.0) (, which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the School of Dentistry – Pontifical Catholic University of Rio Grande do Sul, Avenida Ipiranga, 6681 90616-900 Porto Alegre, RS, Brazil; Tel/Fax: +55-51-33203538; E-mail:


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