How to Naturally Reverse Cavities and Heal Tooth Decay

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Naturally Reverse and Heal Tooth Decay



There is a common belief today about cavities that once you have tooth decay, that cavity can NOT be reversed or healed. Then the only solution is to have part of your tooth drilled out and filled with a synthetic material.

But according to a study published in the British Medical Journal cavities and tooth decay could potentially be healed or reversed with diet.

A study was performed on 62 children with cavities and they were divided into three different diet groups. Group 1 ate a standard diet plus oatmeal (rich in phytic acid).  Group 2 consumed their normal diet and supplemented with vitamin D.  Group 3 ate a grain-free diet and took vitamin D.

The results found that group 1 who had a diet high in grains and phytic acid had an increase in cavities. Group 2 had improvements in cavities and less form. Group 3 who followed a grain-free diet rich in vegetables, fruits, meat, milk and took vitamin D saw the greatest improvements in which nearly all cavities healed.


This study along with the backing of many doctors and dentists is proving we have been misinformed about what causes cavities and if they can truly be reversed.

Dentist Ramiel Nagel who authored the book Cure Tooth Decay has helped many of his patients “reverse” their tooth decay and would rather not put in fillings. He believes that you can prevent and heal cavities with nutrition.

In this article I am going to go over the causes of tooth decay and how it may be prevented and in many cases even reversed.

The Cause of Tooth Decay

To understand the link between diet and tooth decay we must start with one of the most well-respected dentists who ever lived Weston A. Price.

West A. Price lived in the early 1900’s and was the chairman of the National Dental Association (1914-1923), and a pioneer for the ADA.

Weston Price traveled the world searching to discover what causes tooth decay. Dr. Price found a common link between eating modern foods and cavities. He witness that many indigenous isolated tribes had perfect teeth and little tooth decay. But once they were exposed to a western diet they experienced tooth decay, bone loss and chronic illness.

According to the American Dental Association this is the cause of tooth decay:

“[Tooth decay] occurs when foods containing carbohydrates (sugars and starches) such as milk, pop, raisins, cakes or candy are frequently left on the teeth. Bacteria that live in the mouth thrive on these foods, producing acids as a result. Over a period of time, these acids destroy tooth enamel, resulting in tooth decay.”

But the truth is the ADA is only hitting on 1 of the 4 things that could contribute to tooth decay.

According to the insights of Dr. Edward Mellanby, Dr. Weston Price and Dr. Ramiel Nagel there are 4 main things that contribute to tooth decay:

  1. Lack of minerals in the diet (calcium, magnesium and phosphorus)
  2. Lack of fat soluble vitamins (A, D, E and K) (especially D)
  3. Too much consumption of Phytic Acid rich foods
  4. Too much consumption of processed sugar

Let’s discuss the 4 aspects that cause tooth decay and how they can be addressed with diet.

Natural Approaches To Oral Health

Don’t be fooled, there in addition to brushing and flossing daily, there are several ways you can reverse cavities and maximizes your oral health without resorting to taking in fluoride. Here are just a few for you to consider:

Removing Sugar – Probably the worst culprit of them all for anyone who desires healthy, cavity-free teeth, sugar should be avoided like the plague. Not only does sugar feed oral bacteria that prevents a healthy flow of dental fluids, it is highly acidic and can literally decalcify or demineralize the structural content of teeth that create dental decay.

This means staying away from soda, candy, and baked goods with sugar. Additionally, use raw honey and maple syrup and drink juices sparingly as too much sugar can contribute to cavity formation. Be careful of artificial sweeteners because of their health risks as well. Bottom line: Make stevia your new best friend along with raw honey in moderation!

Removing Phytic Acid – Phytic acid (phytate) is a mineral blocker and enzyme inhibitor found in grains, nuts, seeds and beans which can serious health problems in our diets.The main reason phytic acid has become an issue today is because we have stopped ancient food preparation techniques such as sprouting or sourdough fermentation which kills off the phytic acid.

According to research published in the The Lancet a diet high in phytic acid will create mineral deficiencies and cause osteoporosis.

80% of phosphorus in grains and beans is bound to phytic acid so it is completely un-absorbable. In addition to blocking phosphorus availability in humans, these molecules bind minerals necessary for oral health such as calcium, magnesium, iron and zinc; thus, causing them to be unavailable for proper utilization. Consuming foods high in phytic acid decreases magnesium absorption by 60% and zinc by 20%.

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Phytic acid not only doesn’t allow you to absorb in minerals in your food, it also leaches minerals out of your body, bones and teeth!

Subsequently, the powerful anti-nutritional effects of phytic acid have been known to cause digestive disorders, lack of appetite, nutrient deficiencies, and tooth decay. A good rule of thumb is to limit your grain consumption and stay completely clear from unfermented soy products. Because phytic acid is much higher in foods grown using modern high-phosphate fertilizers than those grown in natural compost, try to only eat foods that are organic and GMO-free.

If you are aiming to improve your health and reverse cavities, foods high in phytic acid like grains, beans, nuts and soy should be avoided. However, if you soak grains or nuts and then sprout them or do sourdough fermentation you can reduce phytic acid by around 50 – 100%.

Raw Dairy and Nutrient Rich Foods – Raw dairy is filled with the vitamins and minerals that contribute to a healthy dental fluid flow and help maintain strong teeth. Loaded with calcium, vitamin K2, vitamin D3, magnesium, phosphorus, and fat-soluble vitamins it is a good idea to consume raw dairy products at least weekly. I recommend goat’s milk kefir, raw cheeses and organic grass-fed butter are great options.

Remember, if you’re going to beat tooth decay, you need to increase your fat soluble vitamin intake and mineral intake. If I were creating an ideal diet to follow, it would look like this:

  • Rich in animal foods like bone broth, meat, fish and eggs.
  • Raw and cooked vegetables especially green leafy vegetables.
  • Raw dairy like kefir, cheese and grass-fed butter
  • Fruit one piece daily early in day
  • High vitamin D – get plenty of sunshine and days not in sun supplement with 5,000IU daily of D3.
  • Foods high in healthy fat like coconut oil, avocado, olives and fish or fermented cod liver oil.
  • Fermented grains only and in moderation such as true sourdough bread (or even better no grains at all). You can buy raw flours and breads here: and
  • Nuts, seeds and beans only that have been sprouted. You can find sprouted nuts and seeds at:
  • Finally, NO processed food, packaged food or fast food.

Mineralizing Tooth Paste – First of all, there are several brands of fluoride-free toothpaste that you won’t have to pay a small fortune to get your hands on. Secondly, if you’re looking to save a buck or two and also looking remineralize your teeth in aparticularly powerful way, try making your own! Here is the recipe:

  • 4 tbsp. Coconut Oil
  • 2 tbsp. Baking Soda (aluminum free)
  • 1 tbsp. xylitol or 1/8 tsp. stevia
  • 20 drops peppermint or clove essential oil
  • 20 drops trace  minerals or (calcium/magnesium powder)

Oil Pulling – Used for centuries by Ayurvedic medicine, oil pulling is a fantastic oral detoxification procedure that has gained some popularity in the U.S. the last several years. Simply done by swishing a tablespoon of oil in your mouth for 20 minutes, this simple process has been praised to cure everything from gingivitis to headaches to systemic diseases like diabetes! 
If you can’t do 20 minutes, 3-5 minutes is still good. We recommend using coconut oil and a drop or two of clove and/or tea tree essential oils for maximal antiseptic and antifungal power. Here are some tips:

  • The best time to oil pull (like most other detoxification procedures) is first thing in the morning right after you get out of bed.
  • Don’t let the 20 minutes time frame deter you. You won’t even notice 20 minutes have gone by if you do this during your normal morning routine (i.e. while you shower, put your clothes on and prep for the day).
  • Immediately afterwards, rinse your mouth out with warm water. Use salt water for added antimicrobial properties.
  • Don’t be shocked if the oil/saliva mixture you spit out is milky white or yellow.
  • Finally, brush your teeth as normal.

Note: This should be a relative relaxing process, so don’t feel compelled to vigorously swish your mouth with oil for the entire time or else you’re bound to get sore jaw muscles. Simply and gently move the oil in your mouth and through your teeth without swallowing any of it.

In a nutshell, these natural approaches to reversing cavities are extremely effective and cost-efficient for anyone to employ without hesitation. Take charge of your oral wellness today and show off your new, healthy smile with pride!

About the Author

This post was originally written at here:


Mellanby M, Pattison CL. The Influence of a Cereal-Free Diet Rich in Vitamin D And Calcium on Dental Caries in Children. British Medical Journal 1932; 1(37): 507-510.

Guyenet, Stephan. Reversing Tooth Decay. Available at:

Nagel R. Living with phytic acid. Available at:

Southward K. The systemic theory of dental caries. General Dentistry 2011; 59(5): 367-73.

Wills MR and others. Phytic Acid and Nutritional Rickets in Immigrants. The Lancet, April 8, 1972, 771-773.

Navert B and Sandstrom B. Reduction of the phytate content of bran by leavening in bread and its effect on zinc absorption in man. British Journal of Nutrition 1985 53:47-53;

Bohn T, et al. Phytic acid added to white-wheat bread inhibits fractional apparent magnesium absorption in humans. American Journal of Clinical Nutrition. 2004 79:418 –23.

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Comments: 17

  1. Brooke February 19, 2014 at 6:40 AM Reply

    About how long does it normally take before you begin to see results?

  2. hhs February 21, 2014 at 9:39 PM Reply

    Based on a single study published in 1932? This is really bad advice. Listen to your dentist.

    • Tim March 14, 2014 at 5:43 PM Reply

      Maybe you did not see the whole list of references. Or maybe you make a living “fixing” teeth. Just because that reference is old doesn’t mean it was inaccurate! It’s a flawed, lazy argument ment to cast doubt. Tell us what’s wrong with it, oh never mind, I forgot, you didn’t read it.

      • Devin July 16, 2014 at 10:59 AM Reply

        I hear blood letting was based on “scientific study”. Idiot.

    • Katherine December 22, 2016 at 11:25 AM Reply

      I don’t trust dentists. I think they cause tooth decay with their drilling and while poking around with metal instruments.

  3. Merry L. Bindner March 3, 2014 at 3:34 PM Reply

    Informative, Thank you!
    on added #suggestion:
    -Spit out coconut oil in the Trash, Rinse with Water and Spit into Trash-
    ( it is Oil, and should Not be Disposed of.. Down a Drain.) Sincerely, CandyMom+ <3

  4. Isa March 4, 2014 at 8:09 AM Reply

    This is very informative, thank you!
    But I have a question, beans and nuts are good for the body like almonds, sunflower seeds, pumpkin seeds, sesame seeds, quinoa, chia seeds… aren’t these stuff are really good? I have learned beans(except soy) , nuts and other seeds contains a lot of nutrients and vitamins. Magnesium, calcium and many vitamins to mention are presents in those seeds that are essential to our bodies.

    How can I benefit from eating all these stuff without harming my teeth as a vegetarian?
    Any advice or suggestions? Thank you in advance.

    • Tim March 14, 2014 at 5:49 PM Reply

      If a seed gets eaten, it failed. They are designed to grow a new plant. They do have lots of great nutrients inside…to help the plant grow. The problem is the seeds have protective coatings to help keep them from growing until conditions are just right, as well as other protective compounds. If you will soak the seeds a day or two, (change water 2x daily) these protective qualities of the seed get broken down and become more more bio available. Same with traditional sour dough recipes.

  5. Barbara March 14, 2014 at 2:36 AM Reply

    Mr. Nagel is not a dentist, unless he became one since I read the book, his book is based in the studies of Weston Price and personal experience.

  6. John Bain DDS March 14, 2014 at 2:31 PM Reply

    The book Cure Tooth Decay is so full of errors and misappropriations of Weston Price DDS’s information it should embarrass the author of this article. Ramiel Nagel IS NOT A DENTIST. HE HAS ZERO DENTAL TRAINING. Did the author of this article really read his book? His only claim to fame other than brown-nosing WAPF is that he let his young daughter’s black rotten teeth fall out when the permanent teeth came in without going to a dentist. The Dr. Price x-rays that he shows of “natural healing of cavities” show that fillings were done in conjunction with nutrition. If Nagel had even a knowledge of biology, he would know that enamel CANNOT REGROW when teeth have erupted into the mouth. Enamel can be remineralized if it’s beginning decay. His tooth diagram shows the enamel going all the way down to the root tips. The nutrition info, oil pulling, toothpaste info in this article is good. Read my 1-star comment on Amazon. Cure Tooth Decay is “rotten information”. John Bain DDS

    • achirco August 22, 2014 at 10:14 AM Reply

      I don’t think you really research this very well. Rami Nagel tested on his daughter and got result. Yes it is all information that he got from Dr Price but it worked and he is now bringing to the public. It is bury information but now it is out in the open.. What do dentist recommend,, brush your teeth with fluoride and maybe you might not get cavities. See them every six month to have your teeth cleaned. And!!!! maybe if business is good they won’t drill for $$$$.

      • John August 22, 2014 at 1:50 PM Reply

        Rami Nagel’s results: his daughter’s black rotten baby teeth fell out when the permanent teeth came in. He claims to cure, but this was not “curing”.
        Forget his book, but read about paleo diets and Weston Price’s research- all that’s good.
        Fluoride is a proven toxin- the prestigious mainstream medical journal, the Lancet Neurology, just this year classified it as a brain toxin.
        Diet and lifestyle are the keys to oral health. Nagel’s book doesn’t add anything of value to what already exists with Weston Price or paleo diets though thso diets are different with some similarities. Nagel only adds false information.

  7. Tim Manning DMD July 16, 2014 at 8:56 PM Reply

    I am a dentist and I agree with much of what is in this article. I do however, find it somewhat misleading because it does not take into consideration the severity of the cavity. Dental Caries that are in the enamel only have the potential to reverse themselves through the methods mentioned in this article. Deeper cavities that are through the enamel layer and into the dentin of the tooth are much less likely to be cured by these methods. This is because the mineral matrix of the dentin is less dense than that of enamel, thus caries tend to spread much more rapidly through the dentin. I would use the advice in this article as a way to help prevent cavities, and to help keep those areas your dentist is “watching” from developing into major cavities.

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  11. November 14, 2017 at 12:05 PM Reply

    Just would like to say thanks for a great blog.

    This simply makes good sense. Once I talked with my dentist and he pointed out the same point I can not consider
    this at first. I suppose that’s what it is.

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