Original scientific paper

Transverse and Pressure Resistance of Composite Shear Bond Strength on Dentine

Jozo Šutalo ; Department of Dental Pathology, School of Dentistry, University of Zagreb
Sanja Šegović ; Department of Dental Pathology, School of Dentistry, University of Zagreb
Ivica Anić ; Department of Dental Pathology, School of Dentistry, University of Zagreb

Abstract

Transverse and. tensile resistance o f a dentin-bonded composite resin restoration was tested. The composite resins (Fluorocore, Coradent and Coracore) were retained routinely by a dentin adhesive (Syntac) on dentin samples. The specimens were mounted on a mechanical testing device, and each o f the 23 specimens was loaded perpendicularly to its long axis. The transverse force was applied at a crosshead speed o f 0.5 mm/min until failure occurred. The next 22 specimens were loaded in parallel with their long axis in the same conditions. All the three materials showed a satisfactory compressive shear bond strength, but transverse resistance was inadequate and restorative pins had to be used.

Keywords

shear bond strength; dentin adhesive; composite; dentin

Hrčak ID:

100550

URI

https://hrcak.srce.hr/100550

Publication date:

15.12.1993.

Article data in other languages: croatian

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