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Dental imaging

Read the record before repeating a dental AI claim

When I hear a claim about a dental AI product, I want to know exactly what the system is supposed to do.

The product may identify radiographic findings, measure anatomy, segment a CBCT volume, help with charting, or support another part of the imaging workflow. Each of those is a different job. A broad statement about “AI-powered dentistry” tells me very little about whether a system is appropriate for a particular practice.

The FDA's list of AI-enabled medical devices is a useful place to begin because it connects listed devices to their public authorization records. The FDA says the list is not comprehensive, so absence from the page is not enough to settle the question.

Start with the product's exact name and manufacturer. Then open the submission number. That record should tell you the decision date, regulatory pathway, product code, and where to find the public summary.

When a dental imaging software product reaches the market through the 510(k) process, the FDA explains that its 510(k) clearance is based on substantial equivalence to a legally marketed predicate device. The words matter. Clearance establishes that the device can be marketed for its stated use. It does not turn every statement in a sales presentation into an FDA finding.

The next step is the intended use. Read it literally and compare it with the claim you are being asked to accept.

Look for the image type, the findings the system addresses, the patient population, the expected user, and whether the software is an aid to the clinician. A clearance for one task or modality should not be stretched into a claim about another. A system designed to flag a finding also should not be described as making the entire diagnosis unless its authorized use actually says that.

Then look at how the system was evaluated. The American Dental Association's Technical Report No. 1109 provides a useful framework for static, single-mode systems that analyze 2D dental images. It asks clinicians to consider whether the validation data were separate from training, whether the data included enough images and a representative range of patients, and whether the system is appropriate for the practice's population. It also separates sensitivity, specificity, and overall test performance because each answers a different clinical question.

Those questions lead to a practical review:

  • What exact task is included in the intended use?
  • Which image types, findings, and patient groups were evaluated?
  • Were the validation data independent from the training process?
  • What are the false-positive and false-negative rates for the finding that matters?
  • What happens with poor exposures, unusual anatomy, restorations, artifacts, or other unfamiliar inputs?
  • Where does clinical judgment remain in the workflow?

A public regulatory record summarizes the authorization; the FDA notes that these summaries do not include most of the information submitted in an application. It may not answer every question about how the software performs with your equipment, your acquisition technique, your patient mix, or your team's workflow. That is where a careful demonstration and practice-level evaluation still matter.

I want dental practices to use AI where it makes imaging and clinical work better. The strongest way to support that decision is to be specific. Start with the record, understand the claim, ask how it was validated, and evaluate the system in the environment where your team will actually use it.

Luke Scott