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Cone-beam Computed Tomographic–based Assessment of Filled C-shaped Canals: Artifact Expression of Cone-beam Computed Tomography as Opposed to Micro–computed Tomography and Nano–computed Tomography

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Cone-beam Computed Tomographic–based Assessment of Filled C-shaped Canals : Artifact Expression of Cone-beam Computed Tomography as Opposed to Micro–computed Tomography and Nano–computed Tomography. / Mazzi-Chaves, Jardel Francisco; de Faria Vasconcelos, Karla; Pauwels, Ruben; Jacobs, Reinhilde; Sousa-Neto, Manoel Damião.

In: Journal of Endodontics, Vol. 46, No. 11, 11.2020, p. 1702-1711.

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Mazzi-Chaves, Jardel Francisco ; de Faria Vasconcelos, Karla ; Pauwels, Ruben ; Jacobs, Reinhilde ; Sousa-Neto, Manoel Damião. / Cone-beam Computed Tomographic–based Assessment of Filled C-shaped Canals : Artifact Expression of Cone-beam Computed Tomography as Opposed to Micro–computed Tomography and Nano–computed Tomography. In: Journal of Endodontics. 2020 ; Vol. 46, No. 11. pp. 1702-1711.

Bibtex

@article{ee4bd83900b24f1c9eae7263f7096f42,
title = "Cone-beam Computed Tomographic–based Assessment of Filled C-shaped Canals: Artifact Expression of Cone-beam Computed Tomography as Opposed to Micro–computed Tomography and Nano–computed Tomography",
abstract = "Introduction: The present study investigated the assessment of root canal fillings in a series of cone-beam computed tomographic (CBCT) images obtained from endodontically treated mandibular molars with C-shaped canals. Methods: Clinically comparable high (HR) and normal (NR) resolution protocols were selected in 3D Accuitomo 170 (J Morita Corporation, Kyoto, Japan), NewTom VGi evo (Cefla QR Verona, Verona, Italy), ProMax 3D Max (Pro; Planmeca, Helsinki, Finland), and Pax-i3D Green Premium (Pax; Vatech, Gyeonggi, South Korea). Micro–computed tomographic and nano–computed tomographic images were considered as the reference standard. The set of images was evaluated according to beam hardening artifact patterns (dark streaks, hypodense areas, and volume distortion). Results: Regarding dark streaks, the Fleiss kappa test showed that Pax HR and NR and Pro HR images showed the highest artifact expression. Hypodense areas were detected in 100% and 99.1% of the images obtained using Pax HR and NR, respectively. Kappa tests showed highest distortion for images derived from the Pax and Pro CBCT devices. Root canal filling assessment was considered appropriate in 100% of the 3D Accuitomo 170 HR, NewTom VGi evo NR, micro–computed tomographic, and nano–computed tomographic images. Conclusions: The present study confirms the large variability in CBCT-derived artifact expression. Highlighting the increased artifact expression for particular CBCT systems, it may be concluded that for diagnosis of endodontically filled molars with C-shaped canals, the choice of CBCT unit and protocol is essential.",
keywords = "Artefact, beam hardening, CBCT, microCT, nanoCT, root canal filling",
author = "Mazzi-Chaves, {Jardel Francisco} and {de Faria Vasconcelos}, Karla and Ruben Pauwels and Reinhilde Jacobs and Sousa-Neto, {Manoel Dami{\~a}o}",
year = "2020",
month = nov,
doi = "10.1016/j.joen.2020.07.010",
language = "English",
volume = "46",
pages = "1702--1711",
journal = "The Journal of Endodontics",
issn = "0099-2399",
publisher = "Elsevier Inc.",
number = "11",

}

RIS

TY - JOUR

T1 - Cone-beam Computed Tomographic–based Assessment of Filled C-shaped Canals

T2 - Artifact Expression of Cone-beam Computed Tomography as Opposed to Micro–computed Tomography and Nano–computed Tomography

AU - Mazzi-Chaves, Jardel Francisco

AU - de Faria Vasconcelos, Karla

AU - Pauwels, Ruben

AU - Jacobs, Reinhilde

AU - Sousa-Neto, Manoel Damião

PY - 2020/11

Y1 - 2020/11

N2 - Introduction: The present study investigated the assessment of root canal fillings in a series of cone-beam computed tomographic (CBCT) images obtained from endodontically treated mandibular molars with C-shaped canals. Methods: Clinically comparable high (HR) and normal (NR) resolution protocols were selected in 3D Accuitomo 170 (J Morita Corporation, Kyoto, Japan), NewTom VGi evo (Cefla QR Verona, Verona, Italy), ProMax 3D Max (Pro; Planmeca, Helsinki, Finland), and Pax-i3D Green Premium (Pax; Vatech, Gyeonggi, South Korea). Micro–computed tomographic and nano–computed tomographic images were considered as the reference standard. The set of images was evaluated according to beam hardening artifact patterns (dark streaks, hypodense areas, and volume distortion). Results: Regarding dark streaks, the Fleiss kappa test showed that Pax HR and NR and Pro HR images showed the highest artifact expression. Hypodense areas were detected in 100% and 99.1% of the images obtained using Pax HR and NR, respectively. Kappa tests showed highest distortion for images derived from the Pax and Pro CBCT devices. Root canal filling assessment was considered appropriate in 100% of the 3D Accuitomo 170 HR, NewTom VGi evo NR, micro–computed tomographic, and nano–computed tomographic images. Conclusions: The present study confirms the large variability in CBCT-derived artifact expression. Highlighting the increased artifact expression for particular CBCT systems, it may be concluded that for diagnosis of endodontically filled molars with C-shaped canals, the choice of CBCT unit and protocol is essential.

AB - Introduction: The present study investigated the assessment of root canal fillings in a series of cone-beam computed tomographic (CBCT) images obtained from endodontically treated mandibular molars with C-shaped canals. Methods: Clinically comparable high (HR) and normal (NR) resolution protocols were selected in 3D Accuitomo 170 (J Morita Corporation, Kyoto, Japan), NewTom VGi evo (Cefla QR Verona, Verona, Italy), ProMax 3D Max (Pro; Planmeca, Helsinki, Finland), and Pax-i3D Green Premium (Pax; Vatech, Gyeonggi, South Korea). Micro–computed tomographic and nano–computed tomographic images were considered as the reference standard. The set of images was evaluated according to beam hardening artifact patterns (dark streaks, hypodense areas, and volume distortion). Results: Regarding dark streaks, the Fleiss kappa test showed that Pax HR and NR and Pro HR images showed the highest artifact expression. Hypodense areas were detected in 100% and 99.1% of the images obtained using Pax HR and NR, respectively. Kappa tests showed highest distortion for images derived from the Pax and Pro CBCT devices. Root canal filling assessment was considered appropriate in 100% of the 3D Accuitomo 170 HR, NewTom VGi evo NR, micro–computed tomographic, and nano–computed tomographic images. Conclusions: The present study confirms the large variability in CBCT-derived artifact expression. Highlighting the increased artifact expression for particular CBCT systems, it may be concluded that for diagnosis of endodontically filled molars with C-shaped canals, the choice of CBCT unit and protocol is essential.

KW - Artefact

KW - beam hardening

KW - CBCT

KW - microCT

KW - nanoCT

KW - root canal filling

UR - http://www.scopus.com/inward/record.url?scp=85089375448&partnerID=8YFLogxK

U2 - 10.1016/j.joen.2020.07.010

DO - 10.1016/j.joen.2020.07.010

M3 - Journal article

C2 - 32682791

AN - SCOPUS:85089375448

VL - 46

SP - 1702

EP - 1711

JO - The Journal of Endodontics

JF - The Journal of Endodontics

SN - 0099-2399

IS - 11

ER -