# Pearl's X-ray AI at Blue Court Dental: what the vendor reports

URL: https://howdentistsuse.ai/cases/blue-court-dental-pearl-second-opinion-xrays
Category: Imaging & diagnostics · Source label: Vendor-reported · Published: 2026-10-22
Published by Svarvik, a Gothenburg agency that builds AI automations for dental practices.

Pearl's case study says that from October 2024 to January 2025, at Blue Court Dental in Harrow, Second Opinion marked 44 early carious lesions on 145 X-rays from 35 patients, and that the dentists had found 12 of those with traditional methods. The page gives no price. The practice website does not mention Pearl.

## At a glance

- Practice: Blue Court Dental
- Size: 35 patients in the report
- Location: Harrow, UK
- Tool: Pearl Second Opinion
- Cost: Not disclosed
- Source: Vendor-reported

## Did it work? Results

- Pearl's case study says that from October 2024 to January 2025, across 145 X-rays from 35 patients, Pearl identified 44 early carious lesions. (https://hellopearl.com/case-studies/catching-cavities-before-crisis-how-pearl-empowers-minimally-invasive-dentistry-at-blue-court-dental)
- Pearl's case study says the dentists had spotted 12 of those 44 lesions with traditional methods, and that the AI caught 32 lesions that might have been missed. (https://hellopearl.com/case-studies/catching-cavities-before-crisis-how-pearl-empowers-minimally-invasive-dentistry-at-blue-court-dental)
- Pearl's case study calls those 32 lesions a 73% detection rate. It does not define that rate against a reference standard. (https://hellopearl.com/case-studies/catching-cavities-before-crisis-how-pearl-empowers-minimally-invasive-dentistry-at-blue-court-dental)
- Pearl's case study says nine of those missed lesions required immediate reassessment and restoration. (https://hellopearl.com/case-studies/catching-cavities-before-crisis-how-pearl-empowers-minimally-invasive-dentistry-at-blue-court-dental)
- Pearl's case study quotes Dr. Dixit that Pearl has sped up the diagnosis process a lot. It gives no minutes saved. (https://hellopearl.com/case-studies/catching-cavities-before-crisis-how-pearl-empowers-minimally-invasive-dentistry-at-blue-court-dental)
- Pearl's case study says sales of fluoridated mouthwashes, specialized floss, and regular hygiene maintenance appointments increased. It gives no counts. (https://hellopearl.com/case-studies/catching-cavities-before-crisis-how-pearl-empowers-minimally-invasive-dentistry-at-blue-court-dental)

## Who tried it, and why

Pearl's case study says Dr. Nishan Dixit, at Blue Court Dental in Harrow, was recommending preventive treatment that patients declined because the tooth did not hurt yet. The page says patients are not trained to read X-rays, so they could not see the early decay he was describing.

## What did they set up?

- Pearl says Dr. Dixit first saw Second Opinion at a conference in Chicago. The page does not date that conference.
- From October 2024 to January 2025, the page says he used it on 145 X-rays from 35 patients, a mix of new-patient assessments and routine recalls.
- The page describes the display as color-coded X-rays with indicators on areas of concern, used while talking with the patient. It says he could show decay progression percentages. It does not give an example percentage.
- Not disclosed: the price, which X-ray system the images came from, whether every film in the practice was run through the AI, or how the "traditional" read was recorded.

## What did it cost?

Not disclosed. The case study gives no price.

## What didn't go well?

- Every count is published by Pearl. The page does not show the 145 X-rays or say who marked the "traditional" findings, or whether they were marked before the AI was shown.
- The page's "73% detection rate" is its label for the 32 additional lesions out of 44. 32 of 44 is about 73% by ordinary rounding. That is not a sensitivity measured against a reference standard, and the page does not provide one.
- No price. The page also gives no count for the extra mouthwash, floss, or hygiene visits it says increased.
- The practice website, read on 2026-10-22, does not mention Pearl. It says Blue Court Dental Centre in Harrow was established in April 2000 by Dr Nishan Dixit. Pearl's page says "25+ years" of experience. Those two descriptions are not the same wording.
- The page says patients could be shown precise decay progression percentages. It never gives a percentage from a real film.

## Takeaways

- Before you trust a detection count, ask how the comparison was made: same films, read before the AI was turned on, by whom, and against what. This case study does not say.
- Use the color overlay to explain a finding. The page's account is about showing early decay, not about the AI treating anyone.
- Ask for the monthly price, which X-ray systems it reads, and whether a dentist still has to confirm every mark. None of that is in this case study.
- Check the practice's own site and your own films. Blue Court Dental's website does not mention Pearl.

## Prompt to try (written by us)

Questions to ask before you buy an AI second read for X-rays

```
You are helping a dentist prepare for a demo of an AI that marks findings on dental X-rays. Using only the practice details below, draft a one-page test plan. Include: (1) 10 films we will run, described by type only (bitewing, periapical, panoramic), with no patient name and no image attached; (2) the rule that a dentist records a finding list before looking at the AI, then compares; (3) what we count as a match, a miss, and a mark we reject; (4) what the AI must not do (diagnose without a dentist, recommend treatment on its own, or store images without our written terms); (5) the price, the X-ray systems it accepts, and who signs the agreement. Ask me for anything missing. Do not ask me to paste an X-ray or any patient information.

Practice details: [X-ray system] [who reads films today] [what we want marked]
```

## Sources

- Catching Cavities Before Crisis: How Pearl Empowers Minimally-Invasive Dentistry at Blue Court Dental, Pearl, Undated; accessed 2026-10-22: https://hellopearl.com/case-studies/catching-cavities-before-crisis-how-pearl-empowers-minimally-invasive-dentistry-at-blue-court-dental
- Blue Court Dental Centre, Blue Court Dental, Site says the practice was established in April 2000; accessed 2026-10-22: https://www.bluecourtdental.com/