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  • ThumbGuard™
  • ThumbGuard
Kit Type: (see note below!)


If you are looking for a guaranteed way to stop thumb sucking in 4 weeks or less, without causing pain or discomfort, then look no further. Most parents see results after only ONE week of using ThumbGuard, making it one of the most recommended solutions to break the habit.

We now offer two different kit types – you can now choose a treatment kit for either one hand or for two. Please note: Most children switch from one thumb to the other, when you apply the TGuard. For that reason, we recommend purchasing the treatment kit for both hands. Treatment for each hand includes:

  • 1 Ambidextrous ThumbGuard appliance
  • 30 bracelets: fun to wear, and multi-colored, so children can choose a new color every day!
  • 1 Instalock – makes the fitting process as easy as possible!
  • Reward chart + stickers
  • One set of instructions

To find out more about TGuard Technology, and how our products work to stop the thumb sucking habit, check out our TGuard Technology page.

Key Facts

Why is ThumbGuard recommended the most?

  • ThumbGuard takes less than 4 weeks to completely break the habit.
  • ThumbGuard is made out of FDA-listed, medical grade plastic, and is manufactured in the USA. The product is 100% BPA and phthalate free.
  • It has a success rate greater than 95%.
  • We offer a 30 day, money-back guarantee.

Sizing Chart

SIZING CHARTAge: 3 to 4Age: 5 to 6Age: 7+
Recommended Appliance SizeSmallMediumLarge

Please note that for children younger than 3, the small size can still be used. HOWEVER, the success rate cannot be claimed to be 95%, because very young children are more likely to switch from thumb to finger sucking, or vice-versa, due to their habit not being fully matured.

If your child is between sizes, please see our “sizing guidelines FAQ”.



Good product but...

Aug 26, 2015 by Lovebug Love
Are You A Dentist Or A Parent?: Parent 

My son started sucking his thumb at 4 months. I decided to buy the thumb guard at 20 months bc his teeth started shifting. The first week was tough but he stopped after 3 weeks. He picked up a different habit...SUCKING HIS FINGER. I purchased the ambidextrous option thinking he would switch thumbs but I guess he is old enough to understand he needs his right hand for everyday tasks.

Only giving 4 stars bc I have a brand new right TGuard and a finger sucker. I will try the FingerGuard next. It would be nice to have the option of purchasing another guard at a lower price instead of purchasing the left and right thumb guard.
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Aug 26, 2015 by Jackie Banks
Are You A Dentist Or A Parent?: Parent 

My daughter has always been a thumb sucker. The earliest photo I have of her sucking her thumb was 11 days after her birth. As she got older (she just turned 6, there were certain times she'd do it (bedtime, car, watching T.V.). We never pushed her to stop, thinking/hoping she would stop on her own. This was comfort to her.

Over the last year, we have tried a few things to discourage (band-aids, socks over her hand, and reading a book called "David Decides"). She had told us that she was ready to stop so I researched some different options.

I am proud to say that after 30 days, the habit has been broken! She has gone a full week without wearing her thumb guard and she has not fallen back into the habit! If you are struggling with a thumb sucker, I couldn't recommend a better product.
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Works but took 3 months+

Aug 26, 2015 by J S
Are You A Dentist Or A Parent?: Parent 

I removed the dummy from my son at 6 months and he took to sucking his left thumb immediately. He only sucked his thumb when he needed to soothe himself to sleep which happened in the car, nap times and sleeping at night. We could not stop it. At age of 3, I tried using the thumb guard (small size) but he managed to pull it out as his hand was small. He told us that he wanted to stop but could not do it himself. When he turned 4 in June 2015, we decided to try again. On the first day, he resisted and had a melt down but we persisted and bribed him with gifts. Then he agreed to use it but soon switched to sucking his right thumb. We immediately bought the right thumb guard. He has now been wearing the thumbguard for more than 2 months. He only uses it at night as he no longer takes afternoon naps. However, he has had 2 small lapses so far; once in the rare occasion that he was taking an afternoon nap, he sucked his thumb. (ii) when he was scolded for being naughty and sent to his room, he sucked his thumb. We have decided that since we have come so far with him for not sucking his thumb, we will continue to use for at least another 1-2 months. For the last month, we intend to taper to him wearing the thumbguard on alternate days and then increase the gap between the days slowly. We do not want to rush it as if he gets back to sucking his thumb, it will be hard to try again. I also want to advice on the "withdrawal system". In the first month of wearing thumbguard, I noticed that he had more meltdowns. We think its because he no longer had a mechanism to calm himself when he got upset. Now, its much better and there are much less meltdowns. Our advice is that the thumbguard works but need to use it for at least 3 months and there could be small lapses and withdrawal symptoms. But it works. All the best.
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