Clinical Oral Investigations

, Volume 22, Issue 3, pp 1559–1565 | Cite as

Push-out bond strength of three different calcium silicate-based root-end filling materials after ultrasonic retrograde cavity preparation

  • Snježana Kadić
  • Anja Baraba
  • Ivana Miletić
  • Andrei Ionescu
  • Eugenio Brambilla
  • Ana Ivanišević Malčić
  • Dragana Gabrić
Original Article



The aim of this study was to evaluate the bond strength of three calcium silicate-based root-end filling materials.

Materials and methods

The root canals of 30 single-rooted teeth were endodontically treated; their root ends were resected and root-end cavities were prepared using ultrasonic tip. The teeth were randomly divided into three groups according to the material: (1) Micro-Mega mineral trioxide aggregate (MM-MTA), (2) Biodentine, and (3) TotalFill root repair material (RRM). Push-out test was performed using universal testing machine, and failure mode was analyzed by stereomicroscope. The data were statistically analyzed using Kruskal-Wallis and Man-Whitney post hoc tests. All p values < 0.05 were considered significant.


TotalFill RRM exhibited significantly higher bond strength (12.69 MPa) than Biodentine (9.34 MPa, p = 0.023) and MM-MTA (7.89 MPa, p = 0.002). The difference between Biodentine and MM-MTA was not significant (p = 0.447). Mixed failures were the most noted in all three groups. MM-MTA had more adhesive failures than Biodentine and TotalFill, and no cohesive failures, but without statistical significance (p = 0.591).


The bond strength was the highest for TotalFill RRM.

Clinical relevance

In order to provide a persistent apical seal, root-end filling materials should resist dislodgement under static conditions, during function and operative procedures. TotalFill RRM exhibited higher bond strength to dentin than MM-MTA and Biodentine.


Biodentine MM-MTA Push-out test Root-end filling materials TotalFill RRM 



This work was supported by a grant from the University of Zagreb, Croatia, in 2014.


This work was supported by a grant from the University of Zagreb, Croatia, in 2014.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

This article does not contain any studies with human participants or animals performed by any of the authors. The article contains in vitro studies on human teeth where the extraction was indicated. The research was approved by the Ethical Committee of the School of Dental Medicine, University of Zagreb.

Informed consent

The participants signed the informed consent allowing the usage of their teeth in the study.


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Copyright information

© Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  1. 1.Department of Pediatric and Preventive DentistryDental Polyclinic ZagrebZagrebCroatia
  2. 2.Department of Endodontics and Restorative Dentistry, School of Dental MedicineUniversity of ZagrebZagrebCroatia
  3. 3.Department of Biomedical, Surgical, and Dental Sciences, Galeazzi InstituteUniversity of MilanMilanItaly
  4. 4.Department of Oral Surgery, School of Dental Medicine, Clinical Hospital Center ZagrebUniversity of ZagrebZagrebCroatia

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