![]() Results: One sample t-test was used for the analyses of accuracy of measurements in vertical and horizontal direction. The measurements of metal balls were performed with and without the calibration object placed in the middle or on the side of the radiograph in JPEG and DICOM image formats. Methods: Digital panoramic radiographs of a purpose made model with 32 removable teeth replaced with metal balls were taken. Aim: To investigate the accuracy of measurements in vertical and horizontal direction using an extra-oral calibration object placed in different positions on the panoramic radiograph in JPEG and DICOM image format.
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