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14.09.2023 | Research

Assessment of the root filling volume in C-shaped root canal on cone-beam CT and micro-CT in relation to nano-CT

verfasst von: Amanda Pelegrin Candemil, Jardel Francisco Mazzi-Chaves, Matheus Lima Oliveira, Guilherme Bovi Ambrosano, Karla Farias Vasconcelos, Ruben Pauwels, Reinhilde Jacobs, Manoel Damião Sousa-Neto

Erschienen in: Clinical Oral Investigations | Ausgabe 11/2023

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Abstract

Aim

To assess the observed volume of filled C-shaped root canals from different CBCT and micro-CT having nano-CT as a reference.

Materials and methods

Twelve extracted mandibular molars with C-shaped root canals were endodontically treated using Reciproc Blue R25 (VDW GMBH, Munich, Germany) in a reciprocating system and filled with gutta-percha (Dentsply Maillefer) and AH Plus sealer (Dentsply DeTrey, Konstanz, Germany). CBCT scans were performed using 3 units—3D Accuitomo 170 (J. Morita, Kyoto, Japan), ProMax 3D Max (Planmeca, Helsinki, Finland), and NewTom VGi EVO (Cefla QR, Verona, Italy)—at two resolution modes: standard and high. Micro-CT and nano-CT scans were also obtained. The volume of all filled C-shaped root canals was obtained using CTAn software (Bruker, Kontich, Belgium), and the blooming artifact, in relation to nano-CT volume, was calculated. The data were evaluated by the Bland–Altman plots and ANOVA two-way for repeated measures (α = 0.05).

Results

All CBCT units and micro-CT showed significantly larger observed volume of root canal filling when compared to nano-CT. The blooming artifact of root canal filling in standard resolution was significantly larger than that in high resolution (p < 0.05) in all CBCT units.

Conclusions

Endodontic filling material with AH Plus sealer causes blooming artifacts in CBCT units and micro-CT.

Clinical relevance

Considering the anatomical complexity of C-shaped root canals and the challenges associated with endodontic treatment, CBCT is frequently recommended for follow-up evaluations. However, the presence of endodontic filling material can result in blooming artifacts that may potentially impact the accurate diagnosis of endodontic complications.

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Titel: Assessment of the root filling volume in C-shaped root canal on cone-beam CT and micro-CT in relation to nano-CT
verfasst von: Amanda Pelegrin Candemil
Jardel Francisco Mazzi-Chaves
Matheus Lima Oliveira
Guilherme Bovi Ambrosano
Karla Farias Vasconcelos
Ruben Pauwels
Reinhilde Jacobs
Manoel Damião Sousa-Neto
Publikationsdatum: 14.09.2023
Verlag: Springer Berlin Heidelberg
Erschienen in: Clinical Oral Investigations / Ausgabe 11/2023
Print ISSN: 1432-6981
Elektronische ISSN: 1436-3771
DOI: https://doi.org/10.1007/s00784-023-05244-3

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Assessment of the root filling volume in C-shaped root canal on cone-beam CT and micro-CT in relation to nano-CT

Abstract