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Everyday Price (price varies by pack size): From $7.95 to $38.16

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Right or Left Hand:

The RADIUS SCUBA toothbrush is American Dental Association “accepted” for prevention of gingivitis and removal of plaque. The SCUBA has an ergonomically designed handle that is available in right or left hand for accurate and improved brushing. Made from recycled rubber to give a “flex-neck” to reduce and alleviate pressure from hard brushers.

The Scuba Toothbrush! Everything you love about the Original, but made from rubber with a flexible neck!

What’s the difference between the Scuba and the Original?

Why is the head so big?

What about the bristles?

Can I purchase the Scuba with a medium bristle?

Why does it look so different from every other toothbrush?

I’m left handed, can I use the Scuba?

How long does the Scuba last?

Can I choose my colors when ordering a 3 pack or 6 pack?

Will I receive 1 of every color in a 6 pack?

How often should I change my toothbrush?

How can I sanitize or clean my toothbrush?

What do dentists and orthodontists have to say?

Is the Scuba safe to use?

Is the packaging recyclable?

Is the Scuba sold in stores?

Product Reviews

(19 Ratings, 8 Reviews) Average Rating:
Once you try it there's no going back!
Deb (Overland Park Kansas) 4/13/2015 7:58 PM
I fought for forty years to keep my teeth and gums healthy with those skimpy traditional brushes with mixed results. In the ten years I've been using the Radius, all my dentist ever says is "Keep up the good work!" My mouth has gotten healthier as I've aged which is quite the switch. I attribute this to my use of the Radius Scuba for the past ten years as it is the only change I made in my dental care. It's a great mystery to me that this isn't the worlds best selling toothbrush by far. I agree with another review that people are so resistant to change, even when it is so obviously for the better. I gave only four stars because I so wish that Radius offered an extra soft bristle in the adult brushes.
Love my Radius
Ann R (Round Rock, TX) 8/1/2014 6:27 PM
I have been using them for more than 15 years now. I love them. I started with the orginial, changed to the scuba for the more flexible shaft. Now I am using the source. I am 60 now and my teeth need the touch more gentleness that I get from the Source. Love my Radius. I have seen reviews from other sites where they bemoan them terrible and I think, they just don't want to give them a chance by adjusting to change. People don't like change. But I agree with another reviewer. They will have to pry mine out of my cold dead hand.
Consistently the best
Frank Boyd (Olympia, Washington) 5/6/2014 11:01 PM
Started using Radius 10 years ago. Tried 1 for kix, then, another, etc. Went out and bought 8 after that. Don't know where to buy locally; my last 2 purchases from the mfgr. Wouldn't brush with anything else. It's a bloody miracle, what it does to my mouth, morning and evening. Hey, Radius, just love your product. And when 1 is used up, well, it has 1,001 other household uses, from cleaning all manner of things to applying soap, wax or polish to my hiking boots. On an out-of-town trip recently, I left my radius at home...bummer. Had to go buy a "regular" brush; the experience was awful, so, now, I need at least 3: 1 for my luggage, 1 for home, 1 for my hiking pack. I won't go anywhere without my radius...promise! (You shouldn't either
Pam Rollings (Lexington, Ky.) 8/18/2012 4:44 PM
I started with the Radius about 15 years ago and you can try and get it out of my cold, dead hands. FANTASTIC!!!!
Love radius scuba toothbrushes
Theresa (Des Moines) 3/2/2012 11:34 AM
I started using the radius brush over 10 years ago. I also have not been to the dentist in the last 10 years. I have been procrastinating because I thought my mouth would be full of cavities. I have never been to the dentist without them telling me I have a cavity. Well, I went to the dentist the other day and I did not have a single cavity. I couldn't believe it. I have always brushed my teeth everyday at least two times a day and always had cavities. Now I use the radius, have been pregnant 3 times, which is suppose to be really bad on your teeth, and usually only brush once a day and I didn't have a single cavity. I know it is because of the radius toothbrush. I tried to use a regular toothbrush cuz I forgot mine one time and I didn't even feel like I was brushing my teeth. I love the radius and will use it for the rest of my life.

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travel case for Original and SCUBA Toothbrushes
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Everyday Price (price varies by pack size): $2.95
Original & Scuba Adult Toothbrush Travel Case
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"I hope nobody has used this because I have adopted it!" ... More

RADIUS® has a dedicated following of users including Sting, Cher, Whoopi Goldberg and many more. Read recent testimonials from fans.

The advanced technology in the RADIUS® Toothbrush appeals to dentists and those in the know - find out why and learn some valuable tips about oral hygiene.

RADIUS® was founded on the Caribbean island of Tortola. James O'Halloran and Kevin Foley were architects who were fascinated by the idea of a functional and enjoyable toothbrush.

Before RADIUS® embarks on making a new product, we put the concept through an evaluation to make sure that we are not just making some more landfill in the name of progress.