ArticleImaging science in dentistry2022
Micro-computed tomography for assessing the internal and external voids of bulk-fill composite restorations: A technical report.
Article in Imaging science in dentistry, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Micro-CT Assessment of Dentin Mineral Density and Furcation Morphology in Primary First and Second Molars.Dentistry journal · 2026Article
- Comparative evaluation of marginal gaps of lithium disilicate crowns measured using stereomicroscopy and micro‑computed tomography.Clinical oral investigations · 2026Article
- Micro-CT evaluation of marginal and internal adaptation of composite resins using different application techniques.Scientific reports · 2025Article
- Impact of spacers and thermocycling on porosity and gaps in class II endodontic temporary restorations evaluated by microcomputed tomography.Scientific reports · 2025Article
- Push-out Bond Strength of Bulk-Fill Composites Used as Intracanal Anchorage Material.The journal of adhesive dentistry · 2025Article
- The evaluation of internal adaptation of glass ionomer restorations applied after the use of different cavity conditioners in primary teeth: an in-vitro study.BMC oral health · 2025Article
- Internal Adaptation of Composite Fillings Made Using Universal Adhesives-A Micro-Computed Tomography Analysis.Materials (Basel, Switzerland) · 2024Article
- Assessment of internal porosities for different placement techniques of bulk-fill resin-based composites: a micro-computed tomography study.Clinical oral investigations · 2023Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purpose: This technical report aims to describe and detail the use of micro-computed tomography for a reliable evaluation of the bulk-fill composite/tooth interface. Materials and Methods: Bulk-fill composite restorations in tooth cavities were scanned using micro-computed tomography to obtain qualitatively and quantitatively valuable information. Two-dimensional information was processed using specific algorithms, and ultimately a 3-dimensional (3D) specimen reconstruction was generated. The 3D rendering allowed the visualization of voids inside bulk-fill composite materials and provided quantitative measurements. The 3D analysis software VG Studio MAX was used to perform image analysis and assess gap formation within the tooth-restoration interface. In particular, to evaluate internal adaptation, the Defect Analysis add-on module of VG Studio Max was used. Results: The data, obtained with the processing software, highlighted the presence and the shape of gaps in different colours, representing the volume of porosity within a chromatic scale in which each colour quantitatively represents a well-defined volume. Conclusion: Micro-computed tomography makes it possible to obtain several quantitative parameters, providing fundamental information on defect shape and complexity. However, this technique has the limit of not discriminating materials without radiopacity and with low or no filler content, such as dental adhesives, and hence, they are difficult to visualise through software reconstruction.
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