Dr. Michelle Jorgensen

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Is Fluoride Good For Your Teeth?

Is fluoride good for your teeth?

For decades, we have been told that fluoride is the cure for tooth decay, and the CDC has even named water fluoridation as one of the top 10 public health achievements of the 20th century. 

That is the prevailing view among dentists today. 

However, some studies are showing a different side that includes the potential shortcomings and dangers of fluoride.

So, what do I think?

Is fluoride good for your teeth? Is added fluoride something that can aid in cavity prevention?

Well, let’s start with some history.


In the early 1930s, a dentist named Frederick McKay noticed a peculiar trend among people living around him in Colorado.

Many of them had brown spots on their teeth, and his later research found that although these teeth didn’t look very nice, they were surprisingly resistant to decay. 

He discovered that these people were drinking water with high levels of fluoride, a naturally occurring mineral, which caused these brown spots. 

This is known today as “dental fluorosis”, which changes the appearance of the teeth and potentially creates more decay-resistant teeth. 

Subsequent research into this phenomenon found that small amounts of fluoride could reduce some tooth decay and prevent cavities while not causing brown stains. 

The government used these findings to conclude that it would be a public health benefit to add fluoride to public water systems and increase the water’s fluoride level to increase resistance to tooth decay and prevent cavities or dental caries.

Is fluoride in drinking water good for you?

It also became common practice to add fluoride to dental products such as toothpaste and mouth rinse.

So, the question is whether this massive influx of fluoride into our bodies is good for dental health or not. 


Fluoride has been reported to“greatly help dental health by strengthening the tooth enamel, making it more resistant to tooth decay. It also reduces the amount of acid that the bacteria on your teeth produce.”

Studies from the 1900s to the present day have found that communities with fluoridated water have a lower incidence of cavities compared to those that don’t have fluoridated water.

However, more recent studies have shown that the gap is rapidly narrowing.

Current experts are coming to the conclusion that fluoride applied directly to the teeth can help prevent tooth decay, but many are questioning the safety and overall effects of fluoridated water. 



I want to go back to the basics of what a tooth is made of and how it stays healthy and resists decay. 

A tooth is not made of fluoride. It is made of crystals of hydroxyapatite which are calcium and phosphate. 

When fluoride is introduced to the tooth, it displaces the calcium and forms a different crystal called fluorapatite. 

A cavity, or dental caries, is not from fluoride deficiency – it is from minerals- particularly calcium- being pulled from the teeth. 

Rather than changing the tooth to prevent dental caries, I prefer to add back what the tooth is missing, namely calcium and minerals.  

Most of us only hear about the benefits of fluoride, and never hear an explanation about the way it changes teeth. 

The bad news is that when taken internally, with water or swallowing mouth care products, it also changes bones and other things in the body.  

Many studies are showing fluoride’s potential dangers dating back to the early 1900s. 

Why would fluoride be potentially harmful?

As this article states, “As a pure gas, fluorine is ‘the most reactive and electronegative of all the elements.’ It has extremely damaging effects on any living organism with which it comes into contact.”

I’ll keep it simple.

I avoid fluoride and think that you should too. That includes fluoride varnishes, fluoride toothpaste, fluoride supplements, fluoride mouth rinses, and fluoride added to water.

Yes, fluoride occurs naturally in our drinking water, but I believe that adding fluoride to water to treat a condition that not everyone in the community has doesn’t make sense.

When it comes to preventing tooth decay, I prefer to strengthen and rebuild teeth with the minerals they are made of.

  • I think that topically fluoride has benefits if it stays right where you put it, but any toothpaste or dental product with fluoride also contains many other ingredients that just aren’t good for your mouth or your body.

  • From my experience and the research I have seen, I avoid fluoridated water. I don’t like something being added to the water in an uncontrolled dose, whether I need it or not.

  • However, there is one thing I want you to know! The biggest reason I don’t use fluoride is because I can get all of the same benefits and more, simply from diet and other dental products.

That is the reasoning I use with my colleagues and others who are firm believers in fluoride. 

I don’t argue with them about whether fluoride is dangerous or not.

I simply explain that there are potential benefits and potential dangers with fluoride…

…so I recommend getting the same benefits from another source without the potential dangers. 


  1. The first is diet. You can download my Remineralization Guide here free to learn what vitamins and minerals you can include in your diet to naturally remineralize your teeth. 

  2. The second is good dental products. It has been a challenge to find good products on the market that can remineralize your teeth. So I decided to make my own.  

Remineralizing Tooth Powder

My remineralizing tooth powder is a replacement for toothpaste. It uses hydroxyapatite, which has shown to be more effective than fluoride at…

Daily use of any of these tooth powders can also lead to increased whiteness and brightness of teeth…

…without the damaging effects of commercial whitening products.

There are four types of tooth powder to help everyone in your family.

Learn more about my remineralizing tooth powder below

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My Tooth Remineralization Supplements

Our teeth are living and are fed by small blood vessels that come from our jaw.  These small blood vessels go into the pulp (or nerve) of our teeth, and they provide nutrition and nourishment from the inside.

Our teeth CAN heal and remineralize from the inside…

…if we are providing our body the proper building blocks to heal.

Those who keep getting cavities (DESPITE their efforts to clean the outside) often need to supplement their diet to make sure their teeth are getting fed enough…

  • Vitamins,

  • Minerals, and

  • Nutrients

…ON THE INSIDE for their body to remineralize and heal their teeth. 

The body will use these minerals first, so cavities show up when there is even a slight deficiency.

I recommend EVERYONE use the tooth powder as part of their daily oral hygiene plan.

For those who are at higher risk of cavities and have a history of tooth decay should also use the Tooth Remineralization supplements in combination with the tooth powder. 

The tooth remineralization kit supplies essential vitamins, minerals, and nutrients to the body so that you can more effectively strengthen the enamel, and heal the teeth from the inside as well.

Learn more about my tooth remineralization supplements below

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My Remineralization Mouth Wash

In my endeavor to eradicate added fluoride from dental products, I’ve created a range of fluoride-free mouthwash with hydroxyapatite and silver , as well as healing herbs for better tooth, gum and mouth health.   Natural ingredients target bad bacteria, help with dry mouth, protect teeth from cavities, heal gums, prevent gum disease and more! 

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