An audit of image quality of three dental cone beam computed tomography units |
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| Affiliation: | 1. Department of Restorative Dentistry, State University of Ponta Grossa, Brazilian Dental Association of Ponta Grossa, Ponta Grossa, Brazil; Integrated Child Clinic, Cesumar University (UniCesumar), Maringá, Brazil;2. Department of Restorative Dentistry, State University of Ponta Grossa, Brazilian Dental Association of Ponta Grossa, Ponta Grossa, Brazil;3. Postgraduate Program in Dentistry, Orthodontics, School of Life Sciences, Pontifical Catholic University of Paraná, Curitiba, Brazil;4. Department of Orthodontics, Juiz de Fora Federal University, Juiz de Fora, Brazil; Private practice, Juiz de Fora, Brazil;5. Graduate Dentistry Program, School of Life Sciences, Pontifícia Universidade Católica do Paraná, Curitiba, Brazil; Center for Advanced Dental Education, Saint Louis University, St. Louis, Mo |
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| Abstract: | Critical analysis of cone beam computed tomography (CBCT) image quality is recommended as part of a quality assurance program.1,2 There are few papers3 in the literature concerning subjective image quality on CBCT imaging.This study, performed as part of an audit, reviewed all images of the jaws performed on three different CBCT units over a twelve month period. Images were graded according to an agreed standard1 and reasons for image rejection recorded.The results demonstrated that the main reasons for image rejection were motion artefact and problems with field of view size and positioning.The need for reducing the number of rejected images in order to optimize patient dose, and ways to achieve this, are discussed |
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| Keywords: | Quality assurance Cone beam computed tomography Dental imaging |
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