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Dentists Shocked: This Brush Lets Arthritic Hands Clean Every Tooth in Seconds. Here’s 7 Reasons Why
Dr. Michael I. , Last updated October 2026
Last month, a 74-year-old patient with arthritis in both hands sat in my chair and apologized to me.
I had just told her she would lose three back teeth.
She had brushed twice a day for 60 years. “I never skipped a day,” she said.
The problem was never how often she brushed.
Foam grips and electric toothbrushes don’t fix that. They still need the hands that hurt.
So I gave her something different. Over 35,000 seniors have already made the same switch.
Six weeks later, at her next checkup, I saw something I didn’t expect.
1You Don’t Have to Hold It
I see it every week: patients who need both hands just to hold their toothbrush. Some can’t hold it long enough to reach the back at all.
The U Brush looks a bit like a mouthguard. A soft, U-shaped mouthpiece sits over your teeth, and your bite holds it, not your fingers. No gripping. No turning your wrist. No buzzing in sore knuckles.
You press the button once, and your hands rest in your lap while it brushes. The button is big enough that your finger finds it without aiming. Not one of my senior patients has had trouble pressing it so far.
2It Brushes Every Tooth at Once, Even the Back Ones
The back teeth are where I find the most damage in patients with stiff hands. To reach them, a regular toothbrush needs a wrist that turns. With arthritis, it often doesn’t.
The U Brush doesn’t have to be steered. It covers your top and bottom teeth at the same time, front to back.
3It Cleans More Thoroughly
Plaque is a sticky film that starts forming again within minutes after you brush. A toothbrush only removes it where it actually touches the tooth.
When it stays on a tooth for days, it grows thicker. In one study, adults who stopped brushing for just 12 days had 59% more plaque and 126% more gum bleeding. After a few weeks, the gums along it turn red, swell and bleed.
Because the U Brush works on all your teeth at once, right along the gumline, nothing is left behind for “later.”
In Dentarel’s cleaning tests, the U Brush removed
85% more plaque
than a regular manual toothbrush
and than an electric toothbrush
Results reported by Dentarel. [STUDY: details]
That surprised me, too. Not only easier on the hands. Better for the teeth.
4Your Gums Can Recover
Bleeding gums are often the first warning sign I see. In most cases, it’s plaque that has been sitting along the gumline of the back teeth for weeks.
The good news: in the early stage, irritated gums can calm down once the teeth are cleaned properly again, every day.
That’s what I see in my patients who switch. Less plaque at the gumline. Gums that no longer bleed at the first touch. No more pink in the sink.
5Fewer Dental Treatments, Lower Bills
Every week, I write treatment plans for patients whose back teeth went unbrushed for too long. Deep cleanings. Fillings. Crowns. Extractions.
A crown for ONE broken tooth: up to $2,500.
An implant for ONE lost tooth: about $5,000.
Lose a few back teeth, and the bill can reach $30,000.
The cheapest treatment I know is a back tooth that gets brushed every day.
6Fresh Breath and a Smile You Don’t Have to Hide
Plaque on the back teeth is where that sour taste in the morning comes from. No mint covers it for long.
Many of my patients had quietly started laughing with a hand over their mouth. Turning their cheek when the grandkids leaned in for a kiss. Saying no to lunch with friends.
When every tooth is clean again, the breath is fresh again. And life starts to feel the way it did before.
Sitting next to the family in church. Laughing out loud. Saying yes to dinner.
7It’s the Easiest Thing You’ll Do All Day
At this age, most of my patients already have enough on their plate. Doctor visits. Pills. Hands that don’t do what they used to.
Brushing your teeth shouldn’t be one more fight. With the U Brush, it isn’t:
- Squeeze a little toothpaste into your mouth.
- Put the mouthpiece in and bite down.
- Press the button. Your hands can rest.
1Toothpaste in your mouth
2Pick it up, no tight grip
3Bite down, press. Hands rest.
Most of my patients with arthritis couldn’t press the button on their electric toothbrush hard enough to turn it on. This one isn’t a tiny pencil-eraser button. It’s big enough that your finger can find it without aiming.
On the mornings your fingers won’t close, it works exactly the same. Because your hands aren’t part of it.
Why Not Just Buy a Toothbrush at the Store?
A good electric toothbrush helps a lot of people. But for hands with arthritis, every toothbrush with a handle has the same problem: it still needs the hands that hurt.
And be careful with cheap U-shaped brushes online. Many cover only one row of teeth, so you have to flip them. Others still have to be held while they run.
| Regular | Electric | Cheap U-shaped | U Brush | |
|---|---|---|---|---|
| Nothing to hold while it brushes | ✕ | ✕ | ✕ | ✓ |
| No wrist turning for the back teeth | ✕ | ✕ | ✕ | ✓ |
| Top and bottom teeth at the same time | ✕ | ✕ | ✕ | ✓ |
| No buzzing in your hands | ✓ | ✕ | ✕ | ✓ |
| Big button your finger finds | – | ✕ | ✕ | ✓ |
| 85% more plaque removed* | ✕ | ✕ | ✕ | ✓ |
*Compared with a manual and an electric toothbrush in Dentarel’s cleaning tests.
A problem that starts in your hands can only be solved by a toothbrush that doesn’t need them.
If brushing has become hard for you or someone you love, this is the toothbrush I recommend.
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Dentarel U Brush
Ships from our U.S. warehouse · 30-day money-back guarantee
Try it comfortably at home, risk-free.
- Brushes every tooth at once, even the back ones
- Nothing to hold, nothing to steer
- One big button your finger finds
- 30-day money-back guarantee
Only a few U Brushes available.
And if it doesn’t feel right in your mouth, or you simply don’t like it, send it back within 30 days and get every dollar back.
Questions my patients ask
Is it hard to use the first time?
No. Toothpaste in your mouth, mouthpiece in, bite down, press the button. The first one or two times feel a little unusual, like a new pair of glasses. After that, most patients don’t think about it anymore.
Will it fit my mouth?
Yes. The mouthpiece is made of soft silicone and sits over your teeth like a mouthguard, so it fits virtually any mouth without complications.
My jaw gets sore. Can I still use it?
You need to open your mouth enough to put the mouthpiece in and bite down gently. If your jaw is often sore or hard to open, ask your dentist at your next checkup whether it’s right for you.
I have crowns, a bridge or a partial denture.
That's exactly who it's made for, and it works without any problems. If you wear a removable partial, just take it out before brushing.
How do I clean and charge it?
Rinse the mouthpiece under the tap after each use. The mouthpiece is removable. To charge it, just set it on the included charging pad and let it charge, no cable to plug in.
Do I still need to see my dentist?
Yes. Keep your regular checkups. Your dentist is also the best person to see the difference in your gums.