UUUU.3.2.6.4 Two-dimensional Dental Imaging Workflow

UUUU.3.2.6.4 Two-dimensional Dental Imaging Workflow (Current)
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For the two-dimensional dental equipment listed above (intra-oral radiography, cephalometry, panoramic dental radiography), the system generating the RDSR (e.g., X-Ray tube/generator or detector) varies depending on the configuration of the system and level of integration. Generally, fully integrated systems with X-Ray tube, generator, and detector all in communication with one another should be expected to produce the most complete RDSRs with technique information, exposure information, and potentially system geometry information. Non-integrated systems (e.g., many intra-oral radiographic systems) generally have no communication between system components, resulting in an RDSR that does not have the same level of information.

The general procedure workflow is as follows:

The study starts
1. Procedure information, etc., is input by the operator and/or collected from the DICOM Modality Worklist. Depending on the type of detector integration, the information may be put on the generator control side, or on the detector side.
The patient is positioned for the initial view for the study.
During the procedure, X-Ray exposures are performed.
1. One or several radiography exposures of the patient are performed as separate Irradiation Events.
2. The patient and/or radiography system are repositioned for each view
During the procedure, images are generated.
1. The radiography image from each exposure is typically stored as a separate DICOM Series.
2. Several Series can be performed during the Study. The number of images as part of a Study may vary based on exam type. For example, a two-view chest Study typically includes a PA and lateral view of the chest.
The study ends.
Following the study, one or more RDSR Instances are created from the data collected during the study.
1. The scope of accumulation of the RDSR indicates the period of irradiation reported in that RDSR instance, e.g., the Study, the Series, etc.
Subsequent dose analysis is performed.
1. Dose analysis based on the information of the Irradiation Events contained in the created RDSRs.
2. Irradiation Events and images are often one to one, but there may be Irradiation Events with no images (e.g., deleted images). For this reason, dose analysis is driven by the Irradiation Events, not by images. See Section UUUU.4.1.4 for the importance to use the Irradiation Event UIDs in the RDSRs.

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