Obturation quality of calcium silicate-based cements placed with different techniques in teeth with perforating internal root resorption: a micro-computed tomographic study

Obturation quality of calcium silicate-based cements placed with different techniques in teeth... Objectives To evaluate and compare the obturation quality of mineral trioxide aggregate (MTA) and Biodentine placed with hand condensation or indirect ultrasonic activation technique in teeth models simulating perforating internal root resorption (IRR) using micro-computed tomographic (micro-CT) imaging. Materials and methods Standardized models with perforating IRR cavities were created using 40 extracted single-rooted human teeth and randomly divided into four groups (n = 10). The specimens were obturated with either MTA or Biodentine and the placement technique applied was either hand condensation or indirect ultrasonic activation. Micro-CT scans were performed for the volumetric analysis of voids and filling materials in the resorption cavities and apical portion of the specimens. Data were analyzed using one-way analysis of variance and paired t test. Results No significant difference was observed between the groups in terms of the percentage volume of filling materials (p > 0.05). The apical portion of the specimens significantly presented less percentage volume of filling materials than the resorption cavities in each group (p< 0.05). Conclusions No placement technique produced void-free fillings in teeth with perforating IRR. There was no significant differ- ence between the obturation quality of Biodentine and MTA. The obturation quality in the apical portion of http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Clinical Oral Investigations Springer Journals

Obturation quality of calcium silicate-based cements placed with different techniques in teeth with perforating internal root resorption: a micro-computed tomographic study

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer-Verlag GmbH Germany, part of Springer Nature
Subject
Dentistry; Dentistry
ISSN
1432-6981
eISSN
1436-3771
D.O.I.
10.1007/s00784-018-2502-2
Publisher site
See Article on Publisher Site

Abstract

Objectives To evaluate and compare the obturation quality of mineral trioxide aggregate (MTA) and Biodentine placed with hand condensation or indirect ultrasonic activation technique in teeth models simulating perforating internal root resorption (IRR) using micro-computed tomographic (micro-CT) imaging. Materials and methods Standardized models with perforating IRR cavities were created using 40 extracted single-rooted human teeth and randomly divided into four groups (n = 10). The specimens were obturated with either MTA or Biodentine and the placement technique applied was either hand condensation or indirect ultrasonic activation. Micro-CT scans were performed for the volumetric analysis of voids and filling materials in the resorption cavities and apical portion of the specimens. Data were analyzed using one-way analysis of variance and paired t test. Results No significant difference was observed between the groups in terms of the percentage volume of filling materials (p > 0.05). The apical portion of the specimens significantly presented less percentage volume of filling materials than the resorption cavities in each group (p< 0.05). Conclusions No placement technique produced void-free fillings in teeth with perforating IRR. There was no significant differ- ence between the obturation quality of Biodentine and MTA. The obturation quality in the apical portion of

Journal

Clinical Oral InvestigationsSpringer Journals

Published: Jun 5, 2018

References

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