Cone beam CT optimisation for detection of vertical root fracture with metal in the field of view or the exomass
Abstract Dose optimisation has been revisited in the literature due to the frequent use of cone beam computed tomography (CBCT). Although the reduction of the field-of-view (FOV) size has shown to be an effective strategy, this indirectly increases the negative effect from the exomass. The aim of th...
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Nature Portfolio
2021
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oai:doaj.org-article:13a032d416d64d0990de2043268533c72021-12-02T19:16:46ZCone beam CT optimisation for detection of vertical root fracture with metal in the field of view or the exomass10.1038/s41598-021-98345-62045-2322https://doaj.org/article/13a032d416d64d0990de2043268533c72021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-98345-6https://doaj.org/toc/2045-2322Abstract Dose optimisation has been revisited in the literature due to the frequent use of cone beam computed tomography (CBCT). Although the reduction of the field-of-view (FOV) size has shown to be an effective strategy, this indirectly increases the negative effect from the exomass. The aim of this study was to evaluate the diagnostic accuracy of an optimised CBCT protocol in the detection of simulated vertical root fracture (VRF) in the presence of metal in the exomass and/or inside the FOV. Twenty teeth were endodontically instrumented and VRF was induced in half of them. All teeth were individually placed in a human mandible covered with a soft tissue equivalent material, metallic materials were placed at different dispositions in the exomass and/or endomass, and CBCT scans were obtained at two dose protocols: standard and optimised. Five radiologists evaluated the images and indicated the presence of VRF using a 5-point scale. Area under the ROC curve (AUC), sensitivity, and specificity were calculated and compared using ANOVA (α = 0.05). Overall, AUC, sensitivity, and specificity did not differ significantly (p > 0.05) between the dose protocols. In conclusion, optimised dose protocols should be considered in the detection of simulated VRF irrespective of the occurrence of artefacts from metallic materials in the exomass and/or inside the FOV.Amanda P. CandemilBenjamin SalmonKarla F. VasconcelosAnne C. OenningReinhilde JacobsDeborah Q. FreitasFrancisco Haiter-NetoFrancesca MangioneMatheus L. OliveiraNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021) |
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Medicine R Science Q Amanda P. Candemil Benjamin Salmon Karla F. Vasconcelos Anne C. Oenning Reinhilde Jacobs Deborah Q. Freitas Francisco Haiter-Neto Francesca Mangione Matheus L. Oliveira Cone beam CT optimisation for detection of vertical root fracture with metal in the field of view or the exomass |
| description |
Abstract Dose optimisation has been revisited in the literature due to the frequent use of cone beam computed tomography (CBCT). Although the reduction of the field-of-view (FOV) size has shown to be an effective strategy, this indirectly increases the negative effect from the exomass. The aim of this study was to evaluate the diagnostic accuracy of an optimised CBCT protocol in the detection of simulated vertical root fracture (VRF) in the presence of metal in the exomass and/or inside the FOV. Twenty teeth were endodontically instrumented and VRF was induced in half of them. All teeth were individually placed in a human mandible covered with a soft tissue equivalent material, metallic materials were placed at different dispositions in the exomass and/or endomass, and CBCT scans were obtained at two dose protocols: standard and optimised. Five radiologists evaluated the images and indicated the presence of VRF using a 5-point scale. Area under the ROC curve (AUC), sensitivity, and specificity were calculated and compared using ANOVA (α = 0.05). Overall, AUC, sensitivity, and specificity did not differ significantly (p > 0.05) between the dose protocols. In conclusion, optimised dose protocols should be considered in the detection of simulated VRF irrespective of the occurrence of artefacts from metallic materials in the exomass and/or inside the FOV. |
| format |
article |
| author |
Amanda P. Candemil Benjamin Salmon Karla F. Vasconcelos Anne C. Oenning Reinhilde Jacobs Deborah Q. Freitas Francisco Haiter-Neto Francesca Mangione Matheus L. Oliveira |
| author_facet |
Amanda P. Candemil Benjamin Salmon Karla F. Vasconcelos Anne C. Oenning Reinhilde Jacobs Deborah Q. Freitas Francisco Haiter-Neto Francesca Mangione Matheus L. Oliveira |
| author_sort |
Amanda P. Candemil |
| title |
Cone beam CT optimisation for detection of vertical root fracture with metal in the field of view or the exomass |
| title_short |
Cone beam CT optimisation for detection of vertical root fracture with metal in the field of view or the exomass |
| title_full |
Cone beam CT optimisation for detection of vertical root fracture with metal in the field of view or the exomass |
| title_fullStr |
Cone beam CT optimisation for detection of vertical root fracture with metal in the field of view or the exomass |
| title_full_unstemmed |
Cone beam CT optimisation for detection of vertical root fracture with metal in the field of view or the exomass |
| title_sort |
cone beam ct optimisation for detection of vertical root fracture with metal in the field of view or the exomass |
| publisher |
Nature Portfolio |
| publishDate |
2021 |
| url |
https://doaj.org/article/13a032d416d64d0990de2043268533c7 |
| work_keys_str_mv |
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