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ENDO - Endodontic Practice Today

Edited by Bun San Chong and Edgar Schäfer

Official Publication of the Belgian Association for Endodontology and Traumatology (BAET) and the French Society of Endodontics (SFE)

ISSN (print) 1753-2809 • ISSN (online) 1753-2817


Winter 2012
Volume 6 , Issue 4

Pages: 277 - 282
Share Abstract:

The push-out bond strength of different furcation perforation repair materials: A comparative study

Hashem, Ahmed Abdel Rahman / Marzouk, Abeer Mahmoud / El Far, Hebatallah Maged

Aim: The purpose of the present study was to assess the push-out bond strength of three furcation perforation repair materials: MTA, BioAggregate and IRM.
Materials and methods: Forty-five extracted human mandibular first molars were used in this study. Their roots were amputated 3 mm below the furcation and standardised access cavities were prepared in all molars. Furcation perforations of 1 mm diameter were performed between mesial and distal roots. The molars were divided into three groups (n = 15) according to the type of perforation repair material used. Group I was repaired with ProRoot MTA, group II was repaired with BioAggregate and group III was repaired with IRM. After setting, the samples were mounted in a loading fixture and each repair material was subjected, in an apical-coronal direction, to a compressive load with a load cell of 5 KN at a cross head speed of 1 mm/min with a 0.8 mm diameter plugger via a universal testing machine for the push-out bond strength measurement.
Results: There was no statistically significant difference between the push-out bond strength values of the three tested materials (P > 0.05).
Conclusions: It can be concluded that BioAggregate showed push-out bond strengths comparable to other commonly used root repair materials in small size cavities.

Keywords: BioAggregate, furcation perforation, IRM, MTA, push-out bond strength

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