AI Now Writes Your Orthodontist's Report From a Tooth Scan
It takes under 10 seconds on a laptop — but dentists disagree on the answers.
Orthodontists write up reports describing how your top and bottom teeth meet — how far your bite overlaps, how far your front teeth stick out, whether your midline is off. Normally, AI tries to do this by 'looking' at a picture and describing it, like captioning a photo. This team took a shortcut: the scan data was already lined up perfectly, so instead of guessing, the software could simply measure. It pulls out 31 numbers from each set of teeth, maps them onto 13 report fields, and adds a photo-reading model for good measure. That pushed accuracy from about 60% to 68%.
The practical upside is speed and cost. The system runs on a regular computer processor — no expensive graphics chip — and finishes each patient in under ten seconds. It took third place in the ODIN 2026 Bite2Text competition, finishing within a hair of first place. For a busy clinic, that's the appeal: the tedious paperwork mostly writes itself, and the orthodontist just checks and edits rather than typing from scratch.
Here's the honest catch, and it's a big one. The researchers audited the competition's own scoring system and found that two clinicians looking at the same patient agreed on only 47% of findings. Even stranger: a constant, copy-pasted report scored better than a genuine report written by a second human dentist. In other words, the measuring stick is crooked — no AI can be judged 'better than a dentist' against a scoreboard where the dentists can't agree with themselves.
So what does this mean for you? Don't expect your next dental visit to be automated. This is research, not a product, and it needs a trained professional signing off on everything it produces. But the direction is clear: the routine paperwork in specialist medicine is increasingly something software drafts and humans approve. Ask your orthodontist in a year or two whether their reports are AI-assisted. They might say yes.
- An AI measured 31 bite details from a 3D tooth scan and wrote a full orthodontic report in under 10 seconds on a plain laptop — no pricey hardware needed.
- It came third in the 2026 ODIN Bite2Text competition, finishing within 0.022 BLEU-4 (a text-matching score) of first place.
- The researchers found the grading itself is unreliable: two human dentists agreed on only 47% of findings, and a fake constant report beat a real second dentist.
Why It Matters
Specialist paperwork could shrink from hours to seconds — but a human still has to check every word.