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Does the vegan diet promote healthy teeth?

by Emily

I recently went vegan a few months ago and instantly went to work to find out everything I could about veganism so I could defend myself. I have almost all of my bases covered so I can answer all my omni family's well meaning concerns for my health, but one issue has recently come up that has me baffled. I just had to have some fillings put in for some cavities in my teeth. I don't think this had to do with my diet, but it has my family all in a tizzy. They did some research about a vegan diet in relation to teeth health and found that healthy teeth has become a big problem with vegans.

I have been researching this diligently and found all kinds of opinions from "just eat more greens and calcium enriched soy products" to "a vegan diet ruined my child's teeth". I am torn over this and worried about the future health of my teeth! Does the vegan diet promote healthy teeth? Help!

Great question, Emily. I've done a little research on this, and it seems it's still subject to some debate (if we have readers with definitive research either way, please let us know).

To start, I will say that when someone is looking to prove something, they can use research on the internet to prove anything. It sounds like your family will have looked and looked until they found that the cavities are caused by your new diet. That's most likely not true.

However, when you change your diet, you change the pH balance of your entire body, including your mouth. It would make sense that it might temporarily change your teeth as well. Since animal products are highly acidic and plant foods are basic, you could have gone from an acidic to a basic mouth very quickly, and your teeth might just be reacting to that change. Keep in mind though that a more alkaline pH is ultimately better for your body.

The reason it's hard to say one way or another is because there are so many other contributing factors. For instance, a person's exact diet, whether they use fluoride in their toothpaste or have fluoridated water sources, the amount of sugar in their diet, the amount of processed foods and white flours, how often they brush and floss, genetics, etc. It's just hard to say one way or another.

What I can say is that research shows that plant-based diets (that are well-balanced with plenty of vegetables, whole grains, legumes, fruits, and nuts/seeds) are abundant in protein and calcium, the two contributing factors to strong bones and teeth. You've probably read all about that in The China Study. People who drink less cow's milk have less chance of developing osteoporosis than those who drink more.

Also, some foods are proven to actually help prevent and cure dental cavities. Vitamin D, for instance, helps to break down the bad bacteria and can encourage regrowth in the enamel. The only plant source of D is mushrooms, but even a small amount of daily mushrooms can really help your teeth. Also, you might look into xylitol, which is even recommended by the ADA to help treat cavities. There are some gums, toothpastes, and mints like B-Fresh vegan xylitol gum that are totally animal-free, SLS-free, and even contain some vitamin B12.

So, I'd love to hear if any readers have more research for us, but for now, don't worry about losing your teeth because of your new diet. It's better for your whole body, including your teeth.

Hope that helps!

Comments for Does the vegan diet promote healthy teeth?

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Re: Vegan Diet Works by Bob
by: Ian

I found this, Emily's question, from a Google search result because my girlfriend, a vegan for 5 years, has such white teeth. And now having gone vegan myself for three months I have noticed the same improved shades of whiteness. I read Bob's response here and it seemed to match my own experience.
I have to wonder whether there is some correlation between vaganism and tooth whiteness.
I have not found any problems with tooth health yet but I have not seen any improvement in that department, either. I have not been vegan long e enough to ascertain a connection yet, but whiteness has definitely improved thus far.

Vegan diet works
by: Bob

After I started a strict vegan diet to bring down my blood pressure, I noticed that my teeth became markedly whiter after three months. I continue to eat a strict vegan diet and my teeth remain very white and my blood pressure did return to normal after only three weeks on the diet.
Hope this helps,

Some Communities have been Vegetarian for generations
by: Anonymous

I come from a community in India that has been vegetarian for 100's of generations. We are not big flossers either and our teeth are in very good shape with elder retaining them upto old age.
I think teeth are a factor of multiple things including
- Don't eat free sugar pls
- Don't eat processed foods - chips and pastas etc
- Don't eat processed carbs at all - white bread etc which are not sweet but can damage teeth
- Eat loads of fermented foods which miy community does and it provides a lot of B vitamins
- Get your sunlight
- Avoid the imbalances of modern life - too many gadgets, EMF etc
- Wash mouth after every meal
- Do not eat all day long (3 - 5 meals maximum)

Hope this helps

Vegan diet improved hubby's dental health
by: Tretha Conaway

My husband and I have been vegan for almost a year. His dental hygenist can't believe the difference in his gums and the pocket depth. Where he started with 4s and 5s, he now has 1s and just a few 2s. She made a comment that he has really been flossing and he finally had to admit he hasn't xhange a single thing other than his omission of animal products....aka: vegan lifestyle.
Last week was his 2nd cleaning appointment since changing to a vegan lifestyle. She still tried to credit his commitment to flossing....haha....yes, he should anyway.
I'm gonna get personal and also say that his breath is all around better. Morning breath is always bad regardless of who you are and what you eat, but all around, I have to say it's never bad anymore.
My theory is that there isn't any rotting meat between the teeth. No one will ever convince me that rotting meat between the teeth is good. Plus, we are all becomong more aware of the lies the dairy industry has been telling us. The teeth issue is just another one so they can continue to sell their product. Make sure you check the sources of those "studies". Some of them are fishy...haha.

Vegan for 2 years and I now have numerous cavities
by: Laura

Hello. I've been on Gersons for the past two years - which was an incredible success in curing my high grade, advanced breast cancer, by the way - but now I am faced with a number of cavities at age 52. I've introduced 2-3 teaspoons of cream into my daily diet; 1/2 tsp of fermented cod liver oil plus 1/2 tsp of grass fed butter; and 2 months of oil-pulling 3 times a day for 20 minutes each (using coconut oil about a third of the time and sesame oil the other two thirds). However, all of this still has not 'cured' the tooth decay and it seems to be worsening as one of my cavities is beginning to feel like a root canal challenge. So I'm starting to consider introducing a very small amount of meat. My step daughter said that after growing up vegetarian, then becoming vegan for a couple of years, it wasn't until she started eating meat that her cavities stopped. Seems there is something in the meat (and hopefully very small quantities will do it). I'll let you know.

let's be logical
by: Emily J. (not the questioner above!

First, I personally think those stories about people losing a bunch of teeth overnight are made up by anti-vegans. I mean, what are the odds this would happen?

Second, vitamin K2 is made in the body by vitamin K - which is abundant in the dark leafies.

Third, Weston Price's core finding was that the fat-soluble vitamins A,D,E and K (as well as calcium and magnesium) were key to healthy teeth. How he concluded that therefore, you must consume animal products in order to have healthy teeth, I can only guess.

It's all about nutrition, and the fact is even "whole-food" vegans often overconsume grains and don't get enough of the veggies and seeds in their diet to get enough of the fat-soluble vitamins and minerals.

Sugar Decay
by: Anonymous

I am vegan and I never had a cavity in my life. I know some people go vegan and don't eat mostly vegetables... Thus leading to a diet of sugar (breads, fruits, desserts etc.). Sugar decays. I would NOT blame lack of meat as a contibutor to decay.

A Personal Hell of Indicision
by: Russ Flint

Some years ago, I was diagnosed with heart disease. I did not want a by-pass, so I did Dr. Dean Ornish's plant based diet program for reversing heart disease. I not only followed the program for three years faithfully, I paid to spend a week with the foundation and received personal counsel and care. It worked. I am still alive, but some time after that, my dentist exclaimed he could not figure out why my mouth was riddled with cavities. Having lost one molar to breakage, I need two more root canal treatments.

After reading "How to Stop Cavities: A Natural Approach to Prevention and Remineralization by Dr. Judene Benoit. She relates the findings of Lady May Mellanby and Dr. Weston Price and highlights a study done between 1917 and 1944 which demonstrates that milk, butter, eggs, fruits, vegetables and nuts and meat are absolutely essential to arresting tooth decay.

I'm stuck in this miserable position trying to decide whether to go back to milk, eggs and the other animal fats that, according to the Ornish Foundation, will kill with heart disease. So which is it, plant based diet and save my heart
or animal fat based diet and save my teeth? I haven't been able to sleep more than four hours a night worrying about it.

Thank you for your web page and articles.

vegan for 27 years
by: Anonymous

I m 53 yrs old now, I have minimal dental problems. I do stay away from sugary foods. I do not brush 3 times a day. I have been using sesame seed oil to rinse since about a year ago after I read that it has great benefits for oral care. I see a dentist once or twice every few years. I have not been tripping on seeing a dentist regularly since an article open my eyes about primitive tribes showing no cavities or other dental problems. When I do see a dentist, I get no complaints about my dental care. I do get compliments on my smile often. I do use oxigenated water on my toothbrush once a week or every two weeks to help my teeth be their whitest safely.

Veganism and the health of teeth and bones.
by: michaela

I have been vegan for 36 years, and recently at the age of 55 I decided to have braces on my teeth. I read up about it beforhand and there were concerns that older people would not get back the firmness of their teeth after the braces were removed. However, not only do i now have the straight teeth I dreamed of all my life, they re set rock solid within a few weeks of having the braces emoved...the dentist was amazed!
When I became vegan there was very little information about balanced diet etc, but as i was becoming vegan for ethical reasons, this did not really concern me... i simply could not continue as a lacto vegetarian so that was that.
My health has never suffered, I replaced margarine with peanut butter and made my own nut burgers...used lentils beans etc, and also created my own confectionary.
I also broke my leg when I was 23, my leg healed very quickly, the specialist at the time was amazed because I had done a months healing in 10 days...I was walking just after a month...this was after shattering my kneecap and spliting the shin bone in two.
Also, I had early menopause at 40 and for obvious reasons never had hormone replacement therapy. My bone density now 17 years later is still perfect. I run 6k every day I walk another mile wearing ankle weights, so this is probably helping.
I work 7 days a week 8 hours a day, I sleep 5 hours (if i'm lucky) and I will be 57 next month. My sister is also vegan, she also is very active at 52. I look 20 years younger than I am....you can see where i am going with this!
A vegan diet will only benefit you, it's not difficult to get the correct nutrition, and there have never been any calcium issues with me.
This is not hereditary, there are several women in my family who developed bone loss after early menopause, but they all ate meat.

better safe than sorry
by: Anonymous

I can't answer your question, but I agree 100% with the comment above. Find a good multivitamin that provides both k2 and calcium (there are lots that are vegan and made from whole natural ingredients) and then start researching and talk to your dentist! Some people may disagree about the vitamin because a vegan diet is supposed to provide all the nutrition you need, but it's not really about the diet, it's about your personal health.

K2 is missing from vegan diet
by: BJL


I believe the biggest issue behind vegan diets is k2 as this vitamin is vital for bringing calcium found in food into bone (including teeth).

Getting this vitamin into the diet is quite easy via the Japanese breakfast dish - Natto.

teeth and vegan diet
by: Carolin Radcliff

I recently came across an article for a vegan cooking school that related a horror story about teeth. Apparently, the founder of the vegan/vegetarian cooking school woke up one morning, and found that most of his lower teeth had fallen out during the night. He had some of them still in his mouth and the others he had swallowed in his sleep. His friend also a vegan of many years had his teeth crumble on him when he started eating something. The school, which is called "The Vegetarian Health Institute", helps people to figure out what to eat in order to avoid such problems.

Some foods, especially green leafy vegies, such as Kale, spinach and so on, contain oxalic acid. Oxalic acid interferes with the absorption of calcium in the body. The same seems to go for a lot of grains. So caution is in order. My advice: Research it, and take supplements in the meantime.

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