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J Conserv Dent. 2013 Sep;16(5):462-5. doi: 10.4103/0972-0707.117504.

Comparative evaluation of push-out bond strength of ProRoot MTA, Biodentine, and MTA Plus in furcation perforation repair.

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1
Department of Conservative Dentistry and Endodontics, Faculty of Dentistry, Jamia Millia Islamia, New Delhi, India.

Erratum in

  • J Conserv Dent. 2014 Jan;17(1):95.

Abstract

PURPOSE:

Few studies have comparatively evaluated the push-out bond strength of different calcium silicate-based materials (CSMs) used in furcal perforation repair. The objective of this in vitro study was to comparatively evaluate the push-out bond strength of commercially available CSMs used as furcation repair materials, in the presence of blood contamination.

MATERIALS AND METHODS:

Furcal perforations were made in 120 molars and were divided on the basis of the repair material used (ProRoot MTA, Biodentine, and MTA Plus), blood contamination, and duration of setting time (24 h vs. 7 days). Push-out bond strength was measured and analyzed by three-way analysis of variance (ANOVA) test.

RESULTS:

Push-out bond strength increased with time. The 24-h push-out strength of MTA was less than that of Biodentine. Blood contamination affected the push-out bond strength of MTA Plus irrespective of the setting time.

CONCLUSION:

Caution should be taken while condensing restorative materials over furcation repair materials.

KEYWORDS:

Furcation perforation; Proroot MTA; push-out bond strength; repair materials

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