Open an Owandy CBCT with nothing to install
Owandy CBCTs (I-Max 3D and its Pro and XPro versions) are exported from QuickVision as a folder with hundreds of DICOM files, one per slice. tresD DICOM opens them in your browser, also on a Mac, with nothing to install and without uploading the study anywhere.
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How to export from QuickVision
The folder ends up with several hundred DICOM files, one per slice. If it has to be sent, it can be compressed into a ZIP: tresD DICOM opens it without unzipping.
The panoramics and cephalograms that QuickVision stores as TIFF or JPEG are 2D images, not the volume: for 3D you need the DICOM export of the 3D image.
Step by step
Copy the folder to your computer
If you received it on a CD or USB stick, copy the whole folder, for example to the desktop. Reading straight from the CD is slow and can fail halfway through loading.
Open tresD DICOM
Go to tresddicom.com/app with Chrome, Edge, Safari or Firefox. No sign-up and nothing to install.
Choose the whole folder
Click «📁 DICOM folder» and choose the folder with the exported files. You can also drag it onto the window. If you received it as a ZIP or RAR, use the button next to it: no need to unzip it.
Wait for it to load
Slices appear while the files arrive. If the volume does not fit in the graphics card, it is reduced automatically; the panoramic, the TMJ and the cross-sections per tooth are read at the original resolution.
If it does not open
«This is not the CBCT» appears
You chose a program folder or a stray file. Open again and choose the folder with the exported files.
It says it cannot find DICOM images
What you chose are 2D images (TIFF or JPEG), or the study was not exported as DICOM. Ask for the export: right-click the 3D image → Export DICOM.
«tresD DICOM opens CBCT and CT» appears
What you opened is a 2D radiograph in DICOM, not the volume. You need the 3D image exported as DICOM.
What you can do next
With the CBCT open you have the axial, coronal and sagittal slices, the 3D render, the panoramic, cross-sections per tooth, the TMJ, the airway, the simulated cephalogram and the superimposition of two CBCTs of the same patient, and what you see goes into a PDF or PowerPoint report. All measurements are indicative. See all features.
Common questions
Do I need QuickVision?
Not to view a CBCT already exported as DICOM: tresD DICOM opens it directly in the browser, on Windows, Mac and Linux.
What about a Mac?
QuickVision 3D has a macOS version, but to view an exported CBCT you do not need to install anything: tresD DICOM works in Safari, Chrome, Edge or Firefox. See also the Mac guide.
Is the CBCT uploaded to the internet?
No. The files are read and processed on your own computer; they are not sent to any server.
Is it free?
Yes: no sign-up, no licences and no limit on studies.
Other guides
Try it with your CBCT
Free, no sign-up and nothing to install. Your files never leave your computer.
Open my CBCT now