COMPARISON OF THE BOND STRENGTHS OF TWO BIO-CERAMICBASED ROOT CANAL SEALERS WITH TWO DIFFERENT THERMOPLASTIC CORE CARRIER FILLING SYSTEMS

Year 2024, Volume: 48 Issue: 2, 36 - 45, 28.08.2024

Tufan Özaşır , Birgül Özaşır , Emel Olga Önay , Kamran Gülşahı

https://izlik.org/JA89AK65MD

Abstract

Background and Aim: To evaluate the bond strength of MTA
Fillapex to dentin in various regions of the root canal after
filling with carrier-based heated gutta-percha/resilon and to
compare it with iRoot SP.
Materials and Method: Forty single-rooted extracted human
tooth root canals were biomechanically prepared. The samples
were randomized into four experimental groups (n = 10).
Root canal obturations were performed using the core carrier
systems as follows:
Group 1: MTA Fillapex + GT Obturator
Group 2: MTA Fillapex + RealSeal 1
Group 3: iRoot SP + GT Obturator
Group 4: iRoot SP + RealSeal 1
For the push-out test, 2-mm horizontal sections from the
apical, middle, and coronal parts of the root were prepared.
The sections were then subjected to a push-out test using a
universal testing machine, carrying different sizes of plungers
according to the region of the root. The loading was performed
from the apical to the coronal direction until bond failure
occurred. The maximum load value was recorded in Newton and
then converted to megapascals considering the cross-sectional
area. The data were analyzed statistically by Kruskal–Wallis test
with multiple comparisons. The level of significance was set at
5% for all tests.
Results: The samples in Group 3 showed the highest bond
strength values, and the difference was statistically significant
compared with the other groups at all levels (p < 0.05).
Conclusions: In conjunction with the GT obturator core carrier
system, iRoot SP showed the

Keywords

Bioceramic Sealer , Core Carrier System , Obturation , Push-Out , Resilon

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