دورية أكاديمية
Influence of size of field of view (FOV), position within the FOV, and scanning mode on the detection of root fracture and observer's perception of artifacts in CBCT images.
| العنوان: | Influence of size of field of view (FOV), position within the FOV, and scanning mode on the detection of root fracture and observer's perception of artifacts in CBCT images. |
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| المؤلفون: | de Oliveira Pinto MG; Department of Oral Diagnosis, Division of Oral Radiology, State University of Paraíba, Campina Grande, Brazil., Melo SLS; Department of Integrative Biomedical & Diagnostic Sciences, School of Dentistry, Oregon Health & Science University, Portland, USA., Suassuna FCM; Department of Oral Diagnosis, Division of Oral Radiology, State University of Paraíba, Campina Grande, Brazil., Marinho LE; Department of Oral Diagnosis, Division of Oral Radiology, State University of Paraíba, Campina Grande, Brazil., Leite JBDS; Department of Oral Diagnosis, Higher Educational Center of Patos, Patos, Brazil., Batista AUD; Department of Dentistry, Federal University of Paraíba, João Pessoa, Brazil., Bento PM; Department of Oral Diagnosis, Division of Oral Radiology, State University of Paraíba, Campina Grande, Brazil., Melo DP; Department of Oral Diagnosis, State University of Paraíba, Campina Grande, Brazil. |
| المصدر: | Dento maxillo facial radiology [Dentomaxillofac Radiol] 2021 Sep 01; Vol. 50 (6), pp. 20200563. Date of Electronic Publication: 2021 Feb 10. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Oxford University Press Country of Publication: England NLM ID: 7609576 Publication Model: Print-Electronic Cited Medium: Print ISSN: 0250-832X (Print) Linking ISSN: 0250832X NLM ISO Abbreviation: Dentomaxillofac Radiol |
| أسماء مطبوعة: | Publication: January 2024- : [Oxford] : Oxford University Press Original Publication: Erlangen, Germany : University Press Erlangen |
| مواضيع طبية MeSH: | Spiral Cone-Beam Computed Tomography* , Tooth Fractures*/diagnostic imaging, Artifacts ; Cone-Beam Computed Tomography ; Humans ; Perception ; Tooth Root/diagnostic imaging |
| مستخلص: | Objective: To assess the influence of field of view (FOV) size, scanning position within the FOV and scanning mode on the detection of root fracture and artifact perception. Methods: Forty single-rooted premolars restored with NiCr and AgPd posts were divided into two groups: fractured and sound. All teeth were scanned using four CBCT scanning protocols varying FOV sizes (80 × 80 mm and 50 × 55 mm) and scanning modes (Standard and High Definition). The sample was positioned within the FOV in two pre-set positions (central and lateral) and in four positions established by the operator (quadrants). Detection of root fracture and artifact perception were assessed by two observers using 5-point and 4-point scales. Sensitivity, specificity, accuracy, and AUC values were calculated and compared by ANOVA two-way and Tukey's test. Chi-square and Fisher's exact test were used to assess artifact perception. The level of significance was set at p < 0.05. Results: The central position within the FOV presented higher sensitivity, specificity, accuracy, and AUC values and differed from the lateral position within the FOV for the studied metal posts (p<0.05). Quadrant 2 presented the best sensitivity, accuracy, and AUC values (p<0.05). The lateral position within the FOV, AgPd posts, quadrants 1 and 3 and protocols 1 (SM, 80 × 80) and 2 (HD, 80× 80) presented higher frequency of artifacts classified as "severe". Conclusion: Positioning the object in the center or closer to the anterior periphery of the FOV while using a small FOV improved the detection of root fracture and decreased artifact perception. |
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| فهرسة مساهمة: | Keywords: artefact; cone-beam computed tomography; metals; sensitivity and specificity; tooth fracture |
| تواريخ الأحداث: | Date Created: 20210210 Date Completed: 20210824 Latest Revision: 20220902 |
| رمز التحديث: | 20221213 |
| مُعرف محوري في PubMed: | PMC8404515 |
| DOI: | 10.1259/dmfr.20200563 |
| PMID: | 33565884 |
| قاعدة البيانات: | MEDLINE |
| تدمد: | 0250-832X |
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| DOI: | 10.1259/dmfr.20200563 |