ArticleInternational journal of implant dentistry2025
Usefulness of a novel density measurement drill for evaluating cancellous bone density: correlation between CT value and drilling torque value in bovine ribs.
Article in International journal of implant dentistry, 2025. 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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Who cites it
5 citing papers in PubMed.
- Correlation between drilling torque and cone-beam CT gray values: an exploratory clinical study on bone density assessment using a measurement drill.BMC oral health · 2026Article
- Passive fit evaluation of implant superstructures by analyzing the accumulated screw tightening torque.International journal of implant dentistry · 2026Article
- Reliability of drilling torque values measured with a novel measurement drill for guiding implant placement protocols.Journal of clinical and experimental dentistry · 2025Article
- Passive Fit Evaluation of Implant Superstructures by Analyzing Accumulated Screw Tightening Torque: A Dental Technique.Case reports in dentistry · 2025Article
- Sphenoid sinus hyperpneumatization: anatomical variants, molecular blueprints, and AI-augmented roadmaps for skull base surgery.Frontiers in endocrinology · 2025Review
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Authors and funding
7 authors.
Funding
Abstract
purposeThe study aimed to examine the usefulness of a novel density measurement drill for evaluating cancellous bone density by examining the correlation between computed tomography (CT)-based Misch bone density classification and drilling torque value.
methodsBovine ribs were used as the drilling sites for implant placement. Multidetector CT (MDCT) was performed after contrast materials were attached to the drilling sites. CT value within the region of interest (ROI) on MDCT scan was measured and classified according to the Misch classification (D1 to D5). Drilling torque value was measured using a novel measurement drill. Next, histomorphometric analysis of the drilling site was performed to assess bone density, expressed as percentage of bone area within ROI.
resultsMDCT showed the presence of D2 (n = 87), D3 (n = 92), D4 (n = 133), and D5 (n = 52) at the measurement sites, however, no sites were classified as D1. The drilling torque values were 11.2 ± 3.2 Ncm for D2, 7.8 ± 3.3 Ncm for D3, and 3.0 ± 1.2 Ncm for D4, and 1.4 ± 0.6 Ncm for D5, with significant differences. A positive correlation was observed between CT value and drilling torque value (r = 0.99). Histomorphometric analysis revealed a positive correlation between drilling torque value and bone area ratio (r = 0.97).
conclusionsThe results of this limited study demonstrated the usefulness of the direct and objective cancellous bone density evaluation method using a novel measurement drill. This evaluation method will be informative for subsequent treatment decisions.
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