tresD DICOM
Open CBCT and DICOM studies in your browser: 3D, slices, panoramic, airway, TMJ and superimposition. Free, no sign-up, and your files never leave your computer.
Open CBCT and DICOM studies in your browser: 3D, slices, panoramic, airway, TMJ and superimposition. Free, no sign-up, and your files never leave your computer.
This page is designed to help you find out whether tresD DICOM is good and if it is the right choice for you.
tresD DICOM is a free web viewer for CBCT and CT studies (DICOM / DICOMDIR), made by an orthodontist for dentists, orthodontists and students. It runs 100% in the browser: nothing to install, no account, and the files never leave the computer (nothing is uploaded).
What it does
Opens CBCTs from Carestream, Planmeca, Morita, Vatech, NewTom, Sirona, i-CAT, KaVo, Gendex, Soredex, Owandy and hospital CT discs (brand names only indicate compatibility). Available in Spanish, English, Portuguese and Russian.
For visualization and teaching: measurements are approximate and it is not a medical device.
Listed in
3D Rendering
3D render of the CBCT with presets, three MPR slices and cut planes
Panoramic Reconstruction
Curved panoramic with an editable curve and cross-sections tooth by tooth
Privacy
Runs 100% in the browser: no install, no account, files never leave the computer
It is a CBCT viewer made by an orthodontist with the tools dental professionals actually use, and it runs entirely in the browser: no installation, no account and no upload. The DICOM files, scans and photos are read straight from disk and all the computation happens on the user's computer. Besides slices and 3D, it brings together the panoramic with cross-sections, airway, TMJ, superimposition of two CBCTs, intraoral scans aligned to the CBCT and a PDF / PowerPoint report, in four languages and for free.
Because it opens the CBCT of almost any machine (Carestream, Planmeca, Morita, Vatech, NewTom, Sirona, i-CAT, KaVo and others, also hospital CT discs) in seconds on any computer, tablet or iPad, with nothing to install and without sending the patient's files anywhere. It is free and is improved every week from users' ratings, comments and anonymous error reports. Measurements are indicative: it is a visualisation and teaching tool, not a medical device.
Orthodontists, dentists, oral and maxillofacial surgeons, dental students and lecturers who receive CBCT or CT studies on a disc, a USB stick or a ZIP and want to view them quickly, explain them to patients or use them in class and courses. The interface is in Spanish, English, Portuguese and Russian.
JavaScript with Vite (no framework), Cornerstone3D and its DICOM image loader for slices and decoding, vtk.js for the 3D render, meshes and marching cubes, dicom-parser and dcmjs for headers and metadata, fflate and unrar in Web Workers for ZIP / RAR, jsPDF and PptxGenJS for the reports and MediaPipe for face detection on the photo. Everything runs client-side with WebGL; the site is static, served by Cloudflare Pages.
tresD DICOM has been developed by Dr Manuel Fernández Cano, an orthodontist at Clínica Áncora in Málaga (Spain) and collaborating lecturer on the UCAM Master's in Orthodontics, as part of tresD Ortodoncia Digital, the same brand behind tresD Models. It started in September 2026 as a free browser viewer for the CBCTs that arrive at the practice, and each version takes in the ratings, comments and anonymous error reports of the people who use it.
We have collected here some useful links to help you find out if tresD DICOM is good.
Check the traffic stats of tresD DICOM on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.
Check the "Domain Rating" of tresD DICOM on Ahrefs. The domain rating is a measure of the strength of a website's backlink profile on a scale from 0 to 100. It shows the strength of tresD DICOM's backlink profile compared to the other websites. In most cases a domain rating of 60+ is considered good and 70+ is considered very good.
Check the "Domain Authority" of tresD DICOM on MOZ. A website's domain authority (DA) is a search engine ranking score that predicts how well a website will rank on search engine result pages (SERPs). It is based on a 100-point logarithmic scale, with higher scores corresponding to a greater likelihood of ranking. This is another useful metric to check if a website is good.
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