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The Effective Dose Of Different Scanning Protocols Using The Sirona Galileos® Comfort Cbct Scanner, David R. Chambers
The Effective Dose Of Different Scanning Protocols Using The Sirona Galileos® Comfort Cbct Scanner, David R. Chambers
Electronic Thesis and Dissertation Repository
Introduction: Cone Beam CT imaging is prevalent in dentistry yet much is unknown with regard to how radiation dose to the patient varies between different CBCT scanners and imaging protocols. Scanner and protocol specific effective dose calculations will aid in optimizing individualized protocols for clinical applications.
Purpose: To determine the effective dose for a range of imaging protocols using the Sirona GALILEOS Comfort CBCT scanner.
Materials and Methods: Calibrated InLight nanoDot OSL dosimeters (Landauer, Glenwood, Ill) were placed at 26 select sites in the head and neck of a modified, human tissue-equivalent RANDO phantom. Effective dose was calculated using …
Comparison Between Ceph Analysis On Lateral Cephs, Cbct Scans, And Mri Scans, Jeffrey W. Lam
Comparison Between Ceph Analysis On Lateral Cephs, Cbct Scans, And Mri Scans, Jeffrey W. Lam
Loma Linda University Electronic Theses, Dissertations & Projects
Introduction: Most current methods of obtaining images for orthodontic diagnosis and treatment planning involve the use of ionizing radiation. Given that patients often need records taken several times during treatment, an alternative should be found that does not involve ionizing radiation. Magnetic resonance imaging (MRI) exists as a possible alternative. Purpose: The purpose of this study is to compare cephalometric measurements obtained from lateral cephs, cone beam computed tomography (CBCT) scans, and MR scans. Methods: Lateral cephs, CBCTs, and MRIs were taken on 22 patients. 3 separate readers traced the images and the data was analyzed using Bland-Altman plots. Results: …