dentistry

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Y Combinator-backed Adra wants to turn all dentists into cavity-finding ‘super dentists’

Like other areas of healthcare, the dental industry is steadily embracing technology. But while much of it is in the orthodontic realm, other startups, like Adra, are bringing artificial intelligence into a dentist’s day-to-day workflow, particularly in finding cavities, of what will be a $435.08 billion global dental services market this year.

The Singapore-based company was founded in 2021, but was an idea that started last year. Co-founder Hamed Fesharaki has been a dentist for over a decade and owns two clinics in Singapore.

He said dentists learn to read X-rays in dental school, but it can take a few years to get good at it. Dentists also often have just minutes to read them as they hop between patients.

As a result, dentists end up misdiagnosing cavities up to 40% of the time, co-founder Yasaman Nematbakhsh said. Her background is in imaging, where she developed an artificial intelligence machine identifying hard-to-see cancers, something Fesharaki thought could also be applied to dental medicine.

Providing the perspective of a more experienced dentist, Adra’s intent is to make every dentist “a super dentist,” Fesharaki told TechCrunch. Its software detects cavities and other dental problems on dental X-rays faster and 25% more accurately, so that clinics can use that time to better serve patients and increase revenue.

Example of Adra’s software. Image Credits: Adra

“We are coming from the eye of an experienced dentist to help illustrate the problems by turning the X-rays into images to better understand what to look for,” he added. “Ultimately, the dentist has the final say, but we bring the experience element to help them compare and give them suggestions.”

By quickly pointing out the problem and the extent of it, dentists can decide in what way they want to treat it — for example, do a filling, a fluoride treatment or wait.

Along with third co-founder Shifeng Chen, the company is finishing up its time in Y Combinator’s summer cohort and has raised $250,000 so far. Fesharaki intends to do more formalized seed fundraising and wants to bring on more engineers to tackle user experience and add more features.

The company has a few clinics doing pilots and wants to attract more as it moves toward a U.S. Food and Drug Administration clearance. Fesharaki expects it to take six to nine months to receive the clearance, and then Adra will be able to hit the market in late 2022 or early 2023.

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Direct-to-consumer orthodontic startup Impress raises $50M to scale across Europe

As the famous phrase goes, “software is eating the world” — and now software is eating dentistry. Or, perhaps more accurately, the arena of orthodontics — the specialty of dentistry that deals with things like braces — is slowly but surely being digitalized.

To whit, Impress, a Southern European player in direct-to-consumer orthodontics, has raised a $50 million Series A funding round led by CareCapital (a dental division of Hillhouse Capital in Asia), along with Nickleby Capital, UNIQA Ventures and investors including Michael Linse, Valentin Pitarque, Peter Schiff, Elliot Dornbusch and others. All existing shareholders, such as TA Ventures and Bynd VC, also participated.

Impress is an homage to the direct-to-consumer startups in this area in the U.S., such as SmileDirect, and now plans to scale across Europe from its existing bases in Spain, Italy, Portugal, the U.K. and France.

The company was founded in 2019 in Barcelona by orthodontist Dr. Khaled Kasem and serial entrepreneurs Diliara and Vladimir Lupenko.

Speaking from Barcelona, Lupenko told me that the idea was to “combine the best orthodontic tradition with the most innovative technology in the sector.”

As things stand, most of the time, consumers can usually only access cosmetic teeth alignment treatments or orthodontic medical treatments in conventional clinics. The new wave of clinics employs 3D scans and panoramic X-rays to check nerve and bone health.

Impress’s model is to offer these high-quality medical treatments directly to consumers, by developing its own chain of orthodontic clinics, which also put an emphasis on design and a “modern” patient experience, it says.

As Diliara Lupenko says: “We didn’t copy what other companies in the space were doing and approached the market from a different angle from the get-go. We doubled down on the doctor-led digital model which brought us way better conversion rates and treatment quality even though on paper it looked complex in the beginning. It’s still very complex but we were able to crack it and scale exponentially.”

Impress now has 75 clinics in Spain, Italy, the U.K., France and Portugal, which optimize costs and automate key parts of the value chain.

It now says it’s approaching €50 million in annual run-rate and is projected to grow to €150 million of revenue in 12 months.

Andreas Nemeth, managing partner of UNIQA Ventures GmbH commented: “Impress’s customer-centric focus, as well as its demonstrated ability to blitzscale, attracted us to the business. Vladimir and his team leverage technology to create a seamless customer journey for invisible orthodontics and optimized their cost structure in a unique way using software.”

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I visited a teeth-straightening startup and found out I needed a root canal

Going to the dentist can be anxiety-inducing. Unfortunately, it was no different for me last week when I went to discuss Uniform Teeth’s recent $4 million seed funding round from Lerer Hippeau, Refactor Capital, Founder’s Fund and Slow Ventures.

Uniform Teeth is a clear teeth aligner startup that competes with the likes of Invisalign and Smile Direct Club. The startup takes a One Medical-like approach in that it provides real, licensed orthodontists to see you and treat your bite.

“For us, we’re really focused on transforming the orthodontic experience,” Uniform Teeth CEO Meghan Jewitt told me at the startup’s flagship dental office in San Francisco. “There are a lot of health care companies out there that are taking areas that aren’t very customer-centric.”

Jewitt, who spent a couple of years at One Medical as director of operations, pointed to One Medical, Oscar Insurance and 23andMe as examples of companies taking a very customer-centric approach.

“We are really interested in doing the same for the orthodontics space,” she said.

Ahead of the first visit, patients use the Uniform app to take photos of their teeth and their bite. During the initial visit, patients receive a panoramic scan and 3D imaging to confirm what type of work needs to be done.

Last week during my visit, Jewitt and Uniform Teeth co-founder Dr. Kjeld Aamodt showed me the technology Uniform uses for its patient evaluations.

In the GIF above, you can see I received a 3D panoramic X-ray. The process took about 10 seconds and it’s about the same exposure to X-rays as a flight from San Francisco to Los Angeles, Dr. Aamodt said.

“With that information, we’re able to see the health of your roots, your teeth, the bone, your jaw joints, check for anything that could get worse during treatment,” Dr. Aamodt said.

Below, you can see the 3D scan.

Next is looking in-between the teeth. From here, the idea is to get a much more holistic view, Dr. Aamodt said. This is where things got interesting.

If you look at the bottom left of the photo, under my back bottom tooth, you can see a dark circle below the tooth. Dr. Aamodt gently pointed that out to me.

“That tells me there’s bacteria living inside of your jaw,” he explained. “A lot of people have this. It’s pretty common so don’t beat yourself up for it.”

This is when he told me I’d likely need to get a root canal to get rid of it. Mild panic ensued.

Dr. Aamodt went on to explain that, if I were a patient of his looking to get my teeth straightened, he would recommend that I first get the root canal before any teeth movement. That’s because, he explained, moving teeth at that point could potentially result in further infection.

“The concern about that is when we move a tooth with that, the infection will get worse and you could risk losing that tooth,” he told me.

Although I was freaking out internally, I continued to move ahead with the process. Next up was the 3D scan, which results in something fancy called a 3D Cone Beam Computed Tomography. This, Dr. Aamodt said, is what really sets Uniform Teeth apart in precision tooth movement.

This process takes the place of dental impressions, which are made by biting into a tray with gooey material. I didn’t feel like getting my bottom teeth scanned, but below is what the top looks like.

At this point Uniform Teeth would share its recommendations with the patient. My personal recommendation was to go see my dentist and, if I’m interested in straightening my teeth, come back once my roots are in a healthy enough state.

From there, I’d receive a custom treatment plan that combines the X-ray plus 3D scan to predict how my teeth will move. After receiving the clear aligners in a couple of weeks, I’d check in with Dr. Aamodt every week via the mobile app. If something were to come up, I could always set up an in-person appointment. Most people average about two to three visits in total, Jewitt said. All of that would add up to about $3,500.

The reason Uniform Teeth requires in-office visits is because 75 percent or more of the cases require additional procedures. For example, some people require small, tooth-colored attachments to be placed onto the clear aligners. Those attachments can help move teeth in a more advanced way, Dr. Aamodt said.

“If you don’t have these, then you can tip some teeth but you can’t do all of the things to help improve the bite, to create a really lasting, beautiful, healthy smile,” he explained.

Uniform Teeth currently treats patients in San Francisco, but intends to open additional offices nationwide next year. As the company expands, the plan is to bring on board more full-time orthodontists.

“Right now, we’re an employment-based model and we’d really like to continue that because it allows us to control the experience and deliver a really high-quality service,” Jewitt said.

A lot of companies say they care about the customer when, in reality, they just care about making money. But I genuinely believe Uniform Teeth does care. After I left with my tail between my legs that day, I called my dentist to set up an appointment. The following day, my dentist confirmed what Dr. Aamodt found and proceeded to set me up to get a root canal. A few days later, Dr. Aamodt checked in with me via the mobile app to ask me how I was doing and to make sure I was getting it treated. I was pleased to let him know, as Olivia Pope likes to say, “It’s handled.”

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Tech startups want to go inside your mouth

 Dental care can be costly and hard to access, especially if you live in a rural community or a third-world country. In fact, the biggest barrier to dental care is cost. This is according to the American Dental Association, which says many rural areas lack access to dental professionals.  Read More

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Smile, you’re in augmented reality dentistry

 For someone getting major dental work or reconstructive surgery, it can be hard to visualize what they’ll look like afterwards. You can do casts and make wax molds, but that’s a bit… 19th century, isn’t it? A Swiss startup brings the, in retrospect, obvious solution of augmented reality to the problem, giving patients a virtual view of the smile they could soon have. Read More

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