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Theodent “Diamond” 300 Tooth Hardening Toothpaste

(17 customer reviews)

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Diamond Mint 3.4oz (96.4g)
Reach the apex of oral hygiene without fluoride. The solution has existed in nature all along: cacao!

An organic compound proven to contain extraordinary oral health benefits was discovered in the fruit of the cacao tree.

Theodent 300 toothpaste harnesses the power of this organic compound through an extra-strength dose of Rennou™, a patented technology available only in Theodent products.

Achieve your best smile with Theodent 300.

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    SKU: THEODENT-DIAMOND Categories: ,
    Brush for two minutes, twice daily. Rinse and repeat.
    Aqua/Water/Eau, Hydrated Silica, Xylitol, Sorbitol, Glycerin, Sodium Lauroyl Sarcosinate, Xanthan Gum, Theobromine, Calcium Acetate, Disodium Phosphate, Titanium Dioxide (CI 77891), Citric Acid, Sodium Bicarbonate, Sodium Benzoate, Sodium Chloride, Stevioside, Mentha Viridis (Spearmint) Leaf Oil, Vanilla Planifolia Flower Extract *Limonene
    3.4 oz (96.4 g) Silky smooth white paste Delicate spearmint and vanilla flavor Approximately two months of twice-daily use New and improved packaging
    Weight0.1 kg

    17 reviews for Theodent “Diamond” 300 Tooth Hardening Toothpaste

    1. Robert A.

      Great remineralization toothpaste without the fluoride! Rennou is an amazing discovery!

    2. Amelia R.

      My dentist hates this stuff I’ve needed a lot less work since I’ve started using this.

    3. Nadzeya N.

      The best toothpaste ever! Have been using it for the last two years, my enamel has improved, no cavities, no deterioration.

    4. Jeremy H.

      My tooth sensitivity went away and a small cavity seems to have remineralized after just a couple weeks using this amazing toothpaste. Definitely worth the high price to avoid feelings and have a comfortable bite.

    5. Christa M.

      Absolutely amazed with this toothpaste and their customer service! I love the taste and that it’s not SUPER minty, it has a pretty mild mint flavoring to it. It’s already made my teeth look so much better overall after only a few days of use! I highly recommend it! The new packaging is also very nice! It definitely looks and feels like a luxury product!

    6. Beth S.

      The new packaging is wonderful, The 300 is the best I have been buying it now since the beginning,

    7. Michael H.

      I love this toothpaste. The 300 we use as a treatment after cleaning and sensitivity has disappeared!

    8. Stephanie P.

      I was very hesitant to buy this given the price point but also desperate to help my sons teeth. He’s lost most of his enamel due to a liver disease he was born with which required a liver transplant. This toothpaste has made such a big difference in his tooth sensitivity! He couldn’t eat certain foods due to sensitivity pain & since using this toothpaste over the last 3 weeks that sensitivity is mostly gone. What a miracle! We are so happy this is helping (every dentist we’ve been to has said there’s nothing we can do to help him and to just use sensodine toothpaste- which doesn’t help). In addition it’s got an amazing mild minty flavor and smooth pleasant texture. Very happy! Worth the money, it works!

    9. Tim

      If you don’t know what Theodent 300 is for, then you can easily think it’s overpriced. If you understand what it’s for, then you can feel it’s priced very fairly. Theodent 300 is a one-time purchase. No one should ever need to go through more than 1 tube of it. With Theodent 300, you get immediate relief from any sensitivity you have the same day you use it, and it just keeps getting better every day with each use. Even if your sensitivity is extremely severe, you’ll still likely see *complete* relief within a couple of days. With Theodent Classic, it can take 2-3 weeks to start feeling relief from severe sensitivity.
      So really, Theodent 300 should only be available with a prescription (in a perfect world, that is). That’s the kind of toothpaste this is. Again, it’s a one-time purchase. You buy 1 tube, use it up, and you’re done with it – hopefully for the rest of your life, especially if you continue cleaning your teeth for the rest of your life with Theodent Classic.
      So, how do you use Theodent 300 (and Theodent Classic)? Actually, it’s the same as any other toothpaste: you brush, rinse, brush again and spit out the excess without rinsing. Ask your dental hygienist and dentist about this. Just like with fluoride toothpaste, it would be completely ineffective if you never let it sit on your teeth for a half an hour. So, if you always just brush and rinse, then your enamel isn’t benefiting from the toothpaste one bit. So to be clear, this is the proper way to use any toothpaste:
      1. Brush
      2. Rinse
      3. Brush again
      4. Spit out the excess – do not rinse
      5. Don’t eat or drink anything for at least 30 minutes
      It’s like getting a fluoride treatment: they don’t rinse your mouth after the treatment and they tell you to avoid eating or drinking anything for at least a half an hour to an hour.
      Theodent 300 is *much* stronger and *much* more more effective than any professional fluoride treatment or even special toothpastes like Fluoridex. I’d say that the majority of people will never need Theodent 300, provided they have good oral hygiene and avoid foods and beverages that destroy enamel. At the very least, use Theodent Classic every day: once in the morning after breakfast, and then again at night right before going to sleep. Also, you should know that plaque is always forming even if you don’t eat. It only takes 15 minutes after cleaning your mouth perfectly for plaque to begin forming again. It never stops. It’s from the bacteria in your saliva.
      Anyway, yeah, Theodent 300 is extremely amazing stuff and it’s priced appropriately since it really only needs to be a one-time purchase. Sure, it’s safe to use every day for the rest of your life and I think I would if I could afford it, but 1 tube is all anyone should ever need (provided you even need Theodent 300). How do you know if you need it? Do you have extremely severe sensitivity? If so, then you should try Theodent 300. If you don’t have any sensitivity at all, then you don’t need Theodent 300. If you have some sensitivity but you could wait 2-3 weeks to get complete relief, then just use Theodent Classic.
      No, I didn’t buy this from Amazon. I bought it directly from Theodent. I still have about half of a tube left that I use maybe once a month now. I always use it on my 2nd brushing where I brush but don’t rinse. I don’t really think I need this stuff anymore because I have had complete relief from all sensitivity, but I still have some left and so I figure I may as well keep using it on occasion until I run out. It’s always noticeably superior to Theodent Classic, so I enjoy being able to treat myself to Theodent 300 once in a while.

    10. Caterina L.

      I have used Theodent for a number of years already. The whitening tooth paste Theodent 300 is amazing. There is visible a difference in a short period of time. My teeth and gums always feel so good and fresh after brushing.
      I highly recommend this company and their products.

    11. Kyle P.

      Best toothpaste we’ve ever used! Will never use another! And so worth the price!

    12. Tasha G.

      Theodent has been a miracle. I used to have such sensitive teeth unchanged with toms, sensodyne, mi paste, even the non-clinical strength theodent, etc. But this is works miraculously for me. Unfortunately, I don’t think it’s doing any whitening, but it’s worth it for the dramatic relief in sensitivity. On at least my third tube.

    13. Irene B.

      No more sensitive teeth. Good restoration for teeth counting.

    14. Tina C.

      Love it! Always packed in my travel case, too! Wouldn’t leave home without it.

    15. Robert A.

      Great toothpaste, and it’s very good at remineralizing teeth! Definitely recommend trying it.

    16. Robert A.

      Excellent toothpaste! We have been ordering from you guys for a long time now and we are very satisfied with the Custer service.

    17. Marcy R.

      I’ve been using Theodent 300 for about 2 years now and have seen tremendous improvement with the enamel of my teeth and my gums. Well worth the price since I’m spending less at the dentist!

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