ArticleDento maxillo facial radiology2022
Influence of artefacts generated by titanium and zirconium implants in the study of trabecular bone architecture in cone-beam CT images.
Article in Dento maxillo facial radiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 9 citations in OpenAlex.
- Fractal analysis in dentistry: a bibliometric analysis (1991-2024).Oral radiology · 2026Article
- Bone quality assessment around dental implants in cone-beam CT images: effect of rotation mode and metal artefact reduction tool.Dento maxillo facial radiology · 2025Article
- Influence of tube current and metal artifact reduction on the diagnosis of external cervical resorption in teeth adjacent to a dental implant in CBCT: an ex-vivo study.Clinical oral investigations · 2024Article
- Three-dimensional evaluation of condylar morphology after orthodontic treatment in adult patients with Class II malocclusion by cone-beam computed tomography.BMC oral health · 2024Article
- Quantitative analysis of zirconia and titanium implant artefacts in three-dimensional virtual models of multi-slice CT and cone beam CT: does scan protocol matter?Dento maxillo facial radiology · 2023Article
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Authors and funding
4 authors at 2 institutions in 1 country.
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Abstract
objectivesTo evaluate the influence of artefacts generated by titanium and zirconium implants on trabecular bone architecture assessment through cone-beam CT (CBCT). The influence of kilovoltage (kVp) and metal artefact reduction (MAR) in such analysis was also assessed.
methodsCBCT scans were obtained with Picasso Trio with or without a titanium or zirconium implants in a posterior region of a mandible using 70, 80 or 90 kVp, with or without MAR. The other acquisition settings were constant: field of view 8 × 5 cm, voxel size 0.2 mm, 5 mA, 24 s and 720 frames. Two volumes of interest (VOIs) were determined comprising trabecular bone mesial and distal to the implant area. The following morphometric parameters were measured: connectivity density (Conn. Dn.), fractal dimension (FD), bone volume fraction (BV/TV), bone surface density (BS/TV), trabecular thickness (Tb. Th.), and trabecular spacing (Tb. Sp.), and compared by multiway ANOVA (α = 0.05).
resultsFor Conn. Dn. and FD, with MAR, the zirconium group showed values significantly lower than the other groups (
conclusionThe assessment of the trabecular bone architecture was mainly influenced by the expression of the artefacts generated by zirconium implants. MAR decreased the FD and increased the BS/TV and Tb.Th. values regardless of the kVp level.
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