EFFECTS OF COLD LATERAL VERSUS WARM VERTICAL COMPACTION OBTURATION ON THE PUSH-OUT BOND STRENGTH OF BIOROOT™, A CALCIUM SILICATE-BASED SEALER

ANDARI PUTRIANTI; MUNYATI USMAN; KAMIZAR NAZAR; RATNA MEIDYAWATI; ENDANG SUPRASTIWI; SWESTY MAHARDHINI

doi:10.22159/ijap.2020.v12s2.PP-03

Authors

ANDARI PUTRIANTI Conservative Dentistry Residency Program, Faculty of Dentistry, Universitas Indonesia, Jakarta, Indonesia.
MUNYATI USMAN Department of Conservative Dentistry, Faculty of Dentistry, Universitas Indonesia, Jakarta, Indonesia.
KAMIZAR NAZAR Department of Conservative Dentistry, Faculty of Dentistry, Universitas Indonesia, Jakarta, Indonesia.
RATNA MEIDYAWATI Department of Conservative Dentistry, Faculty of Dentistry, Universitas Indonesia, Jakarta, Indonesia.
ENDANG SUPRASTIWI Department of Conservative Dentistry, Faculty of Dentistry, Universitas Indonesia, Jakarta, Indonesia.
SWESTY MAHARDHINI Conservative Dentistry Residency Program, Faculty of Dentistry, Universitas Indonesia, Jakarta, Indonesia.

DOI:

https://doi.org/10.22159/ijap.2020.v12s2.PP-03

Keywords:

Push-out bond, Calcium silicate-based, Cold compaction, Warm compaction

Abstract

Objective: BioRoot™ , which contains pure calcium silicate, is used in cold lateral compaction. However, hydroxyl ions are still released when BioRoot™
is used in warm vertical compaction. This study compared the effects of cold and warm vertical compaction obturation on the push-out bond strength
of BioRoot™.
Methods: Specimens from 16 root canals instrumented with ProTaper Next X5 50/06 were divided into two groups (n=16 specimens per group).
Group 1 was obturated using cold lateral compaction, whereas Group 2 was obturated using warm vertical compaction. All samples were incubated
for 48 h (37°C, 100% humidity) and embedded into an acrylic block. Starting at 7 mm from the apex, two 2-mm-thick slices of each sample were cut.
Dislodgement resistance was measured using a universal testing machine, and the push-out bond strength was calculated.
Results: There was a significant difference in the push-out bond strength value between cold (4.5–41.1 MPa) and warm (4.12–24.25 MPa) compaction
obturation (p<0.05).
Conclusion: Cold lateral compaction provides better adhesion capability than warm vertical compaction in root canal obturation.

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