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In vitro evaluation of carrier based obturation technique: a CBCT study

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Abstract

Aim. The goal of the study was to compare the ability of two different carrier based obturation (CBO) techniques to reach working length and fill in threedimensions root canal systems, by using CBCT.

Materials and Methods. Twenty-six extracted molars were scanned with CBCT and 40 curved canals were selected (between 30° and 90°) and divided in two similar groups (n=20). All canals were prepared up to size 25 taper .06 using nickel-titanium instrumentation. The canals in the Group SC were obturated using Soft-Core obturators (Kerr, Romulus, Mi, USA), while Group TH canals (n= 20) were obturated using Thermafil Endodontic Obturators (Tulsa Dental Products, Tulsa, OK, USA), strictly following manufacturers’ instructions for use. The obturations were analyzed by means of CBCT to measure the distance from the apical limit of obturation to the apical foramen and the presence of voids inside root canals.

Results. There was no significant difference between the two groups in the mean distance of the apical extent of the obturation (t test, p>0.05). Overfilling occurred in only 3 cases (2 in Group TH and 1 in Group SC). The percentages of voids in both groups were very low with no significant difference (Z test, p>0.05). Conclusions. The two tested CBO techniques showed similar positive results in terms of performance, even if, after checking with verifiers, in most cases the size of the selected Soft-Core obturator was one size smaller than Thermafil.

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Authors

G. Gambarini - Department of Oral and Maxillo-Facial Sciences, “Sapienza” University of Rome, Italy

L. Piasecki - Department of Periodontics and Endodontics, University at Buffalo (NY), USA

G. Schianchi - Department of Oral and Maxillo-Facial Sciences, “Sapienza” University of Rome, Italy

N. Di Nardo - Department of Oral and Maxillo-Facial Sciences, “Sapienza” University of Rome, Italy

G. Miccoli - Department of Oral and Maxillo-Facial Sciences, “Sapienza” University of Rome, Italy

D. Al Sudani - Department of Restorative Dental Sciences, College of Dentistry, King Saud University, Riyadh, Saudi Arabia

R. Di Giorgio - Department of Oral and Maxillo-Facial Sciences, “Sapienza” University of Rome, Italy

L. Testarelli - Department of Oral and Maxillo-Facial Sciences, “Sapienza” University of Rome, Italy

How to Cite
Gambarini, G., Piasecki, L., Schianchi, G., Di Nardo, N., Miccoli, G., Al Sudani, D., Di Giorgio, R., & Testarelli, L. (2022). In vitro evaluation of carrier based obturation technique: a CBCT study. Annali Di Stomatologia, 7(1-2), 11–15. https://doi.org/10.59987/ads/2016.1-2.11-15

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