ArticleFrontiers in dental medicine2025
Micro-computed tomography analysis of void volume in sealer layer placed using Vibrospiral novel instrument: an
Article in Frontiers in dental medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Comparative effects of ultrasonic and conventional sealer placement techniques on endodontic sealer layer quality: a systematic review and meta-analysis ofFrontiers in dental medicine · 2026Pooled it
- In Vitro Comparison of Void Formation Between Calcium Silicate-Based Sealers and AH Plus: A Systematic Review and Meta-Analysis.Dentistry journal · 2026Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Aim: Endodontic sealers form an intermediary layer between the solid canal filling material, like gutta-percha, and the dentinal wall to fill the voids and porosities between them and establish a fluid-impervious seal, which is essential to prevent reinfection of the canal system. Sealer placement instruments are used to carry and coat the sealer on the walls of the fine, tortuous root canal system. The Vibrospiral is a piezoelectrically activated novel sealer coating instrument that has been designed to place a thin, uniform, void-free sealer layer by its vibratory motion. This study compared the void volume percentage in the sealer layer when placed with the Vibrospiral and two other conventional coating instruments. Methodology: A total of 36 caries-free natural mandibular premolars were disinfected, decoronated, and biomechanically prepared. They were randomly assigned to one of the three groups ( Results: The findings revealed that the Vibrospiral placed sealer layers with the least void volume percentage overall (3.5%), followed by Lentulo spiral (19.21%) and K-file (22.01%). Conclusions: The piezoelectrically activated novel sealer placing instrument, the Vibrospiral, has promising potential in effectively placing a relatively non-voided sealer layer.
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Registered trials
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