ArticleOral radiology2026
Filling ability and blooming artifact expression in long-oval root canals: influence of CBCT device, endodontic sealer, and BAR filter.
Article in Oral radiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
objectivesTo compare the filling ability of long oval root canals with epoxy resin-based and bioceramic sealers, and to assess the influence of two CBCT devices and the blooming artifact reduction (BAR) filter (e-Vol DX Software) on dimensional analysis of root canal fillings, with micro-CT as reference.
methodsMandibular incisors were prepared and filled with AH Plus Jet or Bio-C Sealer, then scanned with VeraView X800 and OP300 Maxio CBCT devices, with micro-CT as the reference. Micro-CT images were analyzed to determine the filling ability of each sealer. Three blinded examiners assessed CBCT images, and dimensional analyses compared measurements before and after BAR filter application. Unpaired t-test, ICC, and ANOVA/Tukey were applied (α = 5%).
resultsBoth sealers showed high filling ability (p > 0.05). Intra- and inter-examiner agreement demonstrated excellent reproducibility (p < 0.001). Both CBCT devices overestimated canal filling, particularly VeraView X800 without the filter. Application of the BAR filter reduced blooming artifacts in VeraView X800 scans, enhancing dimensional assessment of the root canal in the apical third for AH Plus Jet and across all thirds for Bio-C Sealer (p < 0.05).
conclusionsBoth sealers exhibited high and comparable filling ability. The BAR filter reduced blooming artifacts in VeraView X800 images, with more consistent effect observed for Bio-C Sealer.
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