Title

Micro CT Pilot Evaluation Of Removability Of Two Endodontic Sealers

Authors

David Colmenar, University of New EnglandFollow
Tenzin Tamula, University of New EnglandFollow
Qiang Zhu, University of Connecticut School of Medicine and Dentistry
Chul Ahn, University of Texas Southwestern Medical Center at Dallas
Carolyn Primus, Augusta University
Takashi Komabayashi, Clinical Professor, University of New England College of Dental MedicineFollow

Document Type

Article

Publication Date

2021

Abstract

Purpose: This study compared the removability of AH Plus and EndoSequence BC sealers using in vitro micro-computed tomography. Methods: Ten single-canal, extracted human teeth were cleaned and shaped with ProTaper NEXT rotary files to size X5 (50/0.06) (DentsplySirona). Canals were obturated with a single cone gutta-percha and either AH Plus (Dentsply-Sirona) (Group A) or EndoSequence BC (Brasseler) (Group B). ProTaper Universal Retreatment files (Dentsply-Sirona) were used to remove obturation materials after 90 days at 37o C/100% humidity. Each tooth was scanned using micro-computed tomography (SkyScan 1272; Bruker) at an isotropic resolution of 6 μm from which the percent of material removed was calculated. Two-sample t-tests and one-way ANOVA were used for analysis. Results: The percent removal of materials in the coronal third was 92.9% ± 7.3% (Group A) and 93.2% ± 6.1% (Group B). Removal in the middle third was 94.9% ± 8.5% (Group A) and 96.5% ± 6.1% (Group B). Apical third removal was 76.2% ± 27.9% (Group A) and 70.1% ± 30.8% (Group B). No statistically significant differences were determined between the two sealers or among the sectional thirds within each group (P > 0.05). Conclusion: AH Plus and EndoSequence BC sealers exhibit the same removability at all canal levels of 70% to 96%, with better removal coronally.

Comments

This article was originally published in Journal of Oral Science:

Colmenar D, Tamula T, Zhu Q, Ahn C, Primus C, Komabayashi T. Micro CT pilot evaluation of removability of two endodontic sealers. Journal of Oral Science 2021; 63(4): 306-309. DOI: 10.2334/josnusd.21-0196.

The copyright of this paper belongs to the Journal of Oral Science, Nihon University School of Dentistry; placed here with permission.

Authors Colmenar and Tamula were UNE Dental Medicine students at time of research.

Recommended Citation

Colmenar, David; Tamula, Tenzin; Zhu, Qiang; Ahn, Chul; Primus, Carolyn; and Komabayashi, Takashi, "Micro CT Pilot Evaluation Of Removability Of Two Endodontic Sealers" (2021). Dental Medicine Faculty Publications. 16.
https://dune.une.edu/cdm_facpubs/16