An evaluation of the use different techniques of the thermoplasticized obturators on the coronal seal
Main Article Content
Abstract
Background: The aim of the present study was to evaluate coronal leakage of root canals obturated by various
techniques.
Methodology: Straight single rooted teeth with mature apices (6 groups of 10 teeth each). Root canals were
prepared according to the crown down technique using hand ProTaper system. Endofill root canal sealer and 2.5%
sodium hypochlorite was used. Root canals were obturated using cold lateral condensation Thermafil and Soft Core
obturation after root canal filling the six groups was divided into two individual groups of 30 teeth. The first group of 30
teeth was kept for 1 week the second 3 week at 37 oC. Teeth were immersed in india ink. Each was split and
sectioned longitudinally and the maximum extent of leakage was measured using a stereomicroscope
Results: Leakage occurred whatever filling technique was used the number of teeth with gross leakage decreased
with time up to 3 weeks. There were significant differences in coronal leakage between the various obturation
techniques after 1 week, and after 3 weeks. No statistically significant differences were found between soft-Core and
cold lateral condensation after 1 week and statistically significant differences were found after 3 weeks. There were
statistically significant differences between Thermafil and lateral condensation after 1 week and no statistically
significant differences after 3 weeks.
Conclusion: Under the conditions of the present study none of the gutta-percha obturation techniques prevented
coronal leakage. Coronal leakage increased during the first week for CLC, Thermafil and Soft-Core obturators, and
decreased after 3 weeks. Coronal leakage in the Soft-Core obturators was higher than Thermafil and CLC after one
week. Thermafil coronal leakage was lower than others after one week. Coronal leakage in the Soft-Core obturators
higher than Thermafil and CLC after three weeks coronal leakage was equal in Thermafil and CLC after three weeks.
techniques.
Methodology: Straight single rooted teeth with mature apices (6 groups of 10 teeth each). Root canals were
prepared according to the crown down technique using hand ProTaper system. Endofill root canal sealer and 2.5%
sodium hypochlorite was used. Root canals were obturated using cold lateral condensation Thermafil and Soft Core
obturation after root canal filling the six groups was divided into two individual groups of 30 teeth. The first group of 30
teeth was kept for 1 week the second 3 week at 37 oC. Teeth were immersed in india ink. Each was split and
sectioned longitudinally and the maximum extent of leakage was measured using a stereomicroscope
Results: Leakage occurred whatever filling technique was used the number of teeth with gross leakage decreased
with time up to 3 weeks. There were significant differences in coronal leakage between the various obturation
techniques after 1 week, and after 3 weeks. No statistically significant differences were found between soft-Core and
cold lateral condensation after 1 week and statistically significant differences were found after 3 weeks. There were
statistically significant differences between Thermafil and lateral condensation after 1 week and no statistically
significant differences after 3 weeks.
Conclusion: Under the conditions of the present study none of the gutta-percha obturation techniques prevented
coronal leakage. Coronal leakage increased during the first week for CLC, Thermafil and Soft-Core obturators, and
decreased after 3 weeks. Coronal leakage in the Soft-Core obturators was higher than Thermafil and CLC after one
week. Thermafil coronal leakage was lower than others after one week. Coronal leakage in the Soft-Core obturators
higher than Thermafil and CLC after three weeks coronal leakage was equal in Thermafil and CLC after three weeks.
Article Details
How to Cite
Al-Bakri, M. and Al-Huwaizi, H. (1) “An evaluation of the use different techniques of the
thermoplasticized obturators on the coronal seal”, Journal of Baghdad College of Dentistry, 24(2), pp. 18-20. Available at: http://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/1261 (Accessed: 29November2019).
Issue
Section
Restorative Dentistry
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