[Test object for controlling the quality of orthopantomography]

Area of Science:

• Dental Imaging Technology
• Radiographic Quality Assessment
• Diagnostic Imaging Physics

Background:

• Accurate positioning and adjustment of orthopantomographs are crucial for diagnostic image quality.
• Existing methods for assessing orthopantomograph performance can be complex and time-consuming.
• A need exists for a simple, reliable method to evaluate and compare different orthopantomograph units.

Purpose of the Study:

• To introduce and evaluate the FO-01 orthopantomographic phantom test for assessing image quality.
• To demonstrate the utility of the phantom test for checking projection boundary, shape, and thickness of an isolated layer.
• To enable simple comparative assessment of various orthopantomograph devices, including digital models.

Main Methods:

• Utilized the FO-01 phantom test, designed for evaluating orthopantomographic projection characteristics.
• Focused on the projection of an isolated layer with specific resolution to assess image parameters.
• Applied the test to different types of orthopantomographs, including digital systems.

Main Results:

• The FO-01 phantom test effectively allows for the evaluation of the projection boundary, shape, and thickness of an isolated layer.
• The test provides a straightforward method for checking and comparatively assessing the adjustment of diverse orthopantomograph models.
• Projection nomograms of the isolated layer were successfully obtained for different orthopantomographs using the test object.

Conclusions:

• The FO-01 phantom test is a valuable tool for routine quality assurance in orthopantomography.
• This method offers a simple yet effective approach for comparative analysis of orthopantomograph performance.
• The test facilitates improved diagnostic accuracy through standardized assessment of dental imaging equipment.