How Hydroxyapatite Toothpaste Remarkably Reverses Cavities and Whiten Teeth

Category: Adult Dentistry, Cosmetic Dentistry, Dr. Advocate's Insight

Dr Advocate Avatar IconBy: Dr. Advocate
Updated: March 1, 2023

Hydroxyapatite Toothpaste Whitens Teeth & Reverses Cavities | My Dental Advocate

Are you tired of using harsh, ineffective toothpaste that leaves your teeth sensitive and stained? Look no further than hydroxyapatite toothpaste, the natural and innovative dental product taking the oral health world by storm.
Made from a naturally occurring mineral that is biocompatible with the body, hydroxyapatite can help to remineralize tooth enamel, prevent cavities, reduce sensitivity, and whiten teeth, all while providing a gentle and refreshing cleaning experience.
In this article, we’ll explore the exciting benefits of hydroxyapatite toothpaste from a dentist’s perspective. You will learn help to reverse cavities and whiten teeth to achieve a brighter, healthier smile.

What is Hydroxyapatite?

Hydroxyapatite is a naturally occurring mineral that makes up a 60-75% of bone structure and 70-80% of dentin and enamel. As a dental ingredient, hydroxyapatite has been found to have multiple benefits for tooth health and is commonly used in toothpaste and other dental products. For example:

  • Hydroxyapatite can help remineralize tooth enamel by providing the necessary minerals for remineralization (healing).
  • Hydroxyapatite particles can attach to the tooth surface and fill in minor defects and cracks, providing a smooth surface for saliva and other minerals to deposit.
  • This process helps to strengthen the tooth enamel and prevent further demineralization.

How does hydroxyapatite remineralize tooth enamel?

To understand how hydroxyapatite can remineralize tooth enamel, it’s essential first to understand the demineralization process. Demineralization occurs when the mouth’s pH drops below 5.5, causing the minerals in the tooth enamel to dissolve and create a hole in the tooth, also known as a cavity.

A study published in the Journal of Dentistry found that hydroxyapatite toothpaste effectively increased the surface microhardness of the enamel, an indicator of enamel mineralization.

How is hydroxyapatite different from other common toothpaste ingredients?

Hydroxyapatite is a relatively new ingredient in toothpaste, but it is quickly gaining popularity due to its natural composition and multiple benefits for dental health. Unlike other common toothpaste ingredients, such as fluoride and triclosan, hydroxyapatite is a naturally occurring mineral biocompatible with the body and poses minimal risk of toxicity or adverse effects.

Hydroxyapatite is highly effective in preventing cavities and reducing sensitivity, which are vital concerns for dental patients.

A recent study found that hydroxyapatite nanoparticles effectively reduced dentin hypersensitivity, a common dental problem characterized by discomfort or pain when the teeth are exposed to hot, cold, or sweet stimuli.

How Hydroxyapatite reverses cavities

Let’s take a closer look from a dentist’s perspective at how hydroxyapatite can help reverse cavities by remineralizing tooth enamel and preventing further demineralization. We’ll also examine the scientific studies that support the effectiveness of hydroxyapatite toothpaste for cavity prevention so that you can make informed choices about your dental health. Let’s dive in!

How do cavities form?

Cavities are formed when acid-producing bacteria in the mouth break down sugars and carbohydrates, creating an acidic environment that erodes tooth enamel. Over time, this erosion can lead to tiny holes or cavities in the tooth surface.

The traditional approach to treating cavities involves drilling out the decayed area and filling the hole with a synthetic material, such as amalgam or composite resin. However, this approach can be invasive and uncomfortable, and it doesn’t address the underlying cause of the cavity.

How can hydroxyapatite help to reverse cavities?

Hydroxyapatite toothpaste can help to reverse cavities by remineralizing the tooth enamel and preventing further demineralization. In addition, as we discussed in the previous section, hydroxyapatite particles can attach to the tooth surface and fill in small defects and cracks, providing a smooth surface for saliva and other minerals to deposit. This process helps to strengthen the tooth enamel and prevent further erosion.

How can hydroxyapatite remove stains and brighten teeth?

Hydroxyapatite toothpaste can help to remove surface stains and brighten teeth by forming a protective barrier over the tooth enamel. This barrier can help to prevent stains from adhering to the tooth surface, making it easier to remove them through brushing or dental cleanings.

  • A study published in the Journal of Clinical and Experimental Dentistry found that hydroxyapatite-containing toothpaste effectively removes extrinsic stains from the tooth surface.
  • Participants who used the hydroxyapatite toothpaste experienced a significant reduction in stain intensity compared to the placebo group.

What are the potential benefits of using a natural and biocompatible ingredient like hydroxyapatite for teeth whitening?

Using a natural and biocompatible ingredient like hydroxyapatite for teeth whitening has several potential benefits. Unlike traditional whitening methods that rely on harsh chemicals or bleaching agents, hydroxyapatite is a natural mineral biocompatible to the body and poses minimal risk of toxicity or adverse effects.

Hydroxyapatite toothpaste is also less likely to cause tooth sensitivity or gum irritation, a common side effect of traditional whitening methods.

What other benefits does Hydroxyapatite toothpaste offer besides cavity prevention and teeth whitening?

Hydroxyapatite toothpaste offers several additional benefits for dental health, including:

  • Reducing sensitivity: Hydroxyapatite can help to block the exposed tubules in the dentin, which are responsible for causing sensitivity to hot, cold, or sweet stimuli.
  • Promoting gum health: Hydroxyapatite can help neutralize harmful bacteria in the mouth and reduce inflammation, improving gum health and preventing gingivitis.
  • Preventing bad breath: Hydroxyapatite can help to neutralize sulfur compounds in the mouth, which are responsible for causing bad breath.

How does Hydroxyapatite toothpaste help to reduce sensitivity, promote gum health, and prevent bad breath?

Hydroxyapatite toothpaste can help to reduce sensitivity by forming a protective layer over the exposed tubules in the dentin, which can help to block the stimuli that cause discomfort. In addition, hydroxyapatite can promote gum health by neutralizing harmful bacteria and reducing inflammation, preventing gingivitis and other gum diseases.

Finally, hydroxyapatite can help to prevent bad breath by neutralizing sulfur compounds in the mouth, which are responsible for causing halitosis.

What products incorporate hydroxyapatite, and what are their specific benefits?

Several dental products incorporate hydroxyapatite as a key ingredient, including toothpaste, mouthwash, and chewing gum. Some of the specific benefits of these products include:

  • Hydroxyapatite toothpaste: Besides preventing cavities and whitening teeth, hydroxyapatite toothpaste can also reduce sensitivity, promote gum health, and prevent bad breath.
  • Hydroxyapatite mouthwash: Hydroxyapatite mouthwash can help neutralize harmful bacteria in the mouth and reduce inflammation, improving gum health and preventing gingivitis.
  • Hydroxyapatite chewing gum: Hydroxyapatite chewing gum can help freshen breath and neutralize harmful bacteria in the mouth, preventing plaque buildup and reducing the risk of cavities.

How to choose and use Hydroxyapatite toothpaste effectively?

To choose and use hydroxyapatite toothpaste effectively, consider the following tips:

  • Look for toothpaste that contains at least 10% hydroxyapatite.
  • Follow the manufacturer’s instructions, including brushing twice daily for at least two minutes.
  • Consider using a soft-bristled toothbrush to avoid damaging the tooth enamel.
  • To complement your dental routine, consider using other hydroxyapatite products, such as mouthwash or chewing gum.

Best Hydroxyapatite Toothpaste

Best Budget
Davids Nano Hydroxyapatite Natural Toothpaste
$11.95 ($2.28 / Ounce)

Features Nano Hydroxyapatite (n-HA) - the same ingredient that naturally makes up 97% of your teeth material. We eliminated the fluoride and replaced with this biocompatible ingredient to remineralize your enamel, reduce teeth sensitivity and naturally whiten.

Safe & Gentle Whitening – micro polishing agents gently remove surface stains to safely whiten without causing the sensitivity normally found with peroxide or other bleaching agents. RDA (abrasive rating) of 101 to effectively remove plaque and surface stains while being enamel safe for daily brushing. Safe range per ADA (American Dental Association).

Bioactive Sensitive Relief - most sensitive toothpastes uses Potassium Nitrate (nerve numbing drug) to temporarily numb the tooth nerves. We use Hydroxyapatite (n-HA) to reduce sensitivity by remineralizing the enamel and passageways (tubules) to the nerves.

Clean & Safe Ingredients – Davids uses only premium ingredients derived from plants and the earth, with no animal by-products (vegan). Fluoride Free, Sulfate Free (no SLS), EWG VERIFIED. No Artificial Flavors, Colors, or Preservatives. Birch xylitol used to improve oral health.

Healthy Mouth – formulated to restore a healthy PH balance and support your mouth’s natural oral microbiome. Plaque is the main enemy of teeth and Davids is designed to aggressively stop plaque from forming and reduce existing plaque buildup, while leaving your mouth feeling minty fresh and exceptionally clean. Healthy mouth for a healthy you.

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03/23/2023 11:29 pm GMT

Best Sensitivity
Pro-Mineralizer Toothpaste - Nano Hydroxyapatite & Enamel Support Toothpaste
$20.99 $16.99 ($4.25 / Ounce)

𝗪𝗛𝗬 𝗜𝗦 𝗢𝗨𝗥 𝗛𝗬𝗗𝗥𝗢𝗫𝗬𝗔𝗣𝗔𝗧𝗜𝗧𝗘 𝗧𝗢𝗢𝗧𝗛𝗣𝗔𝗦𝗧𝗘 𝗗𝗜𝗙𝗙𝗘𝗥𝗘𝗡𝗧: Clinical research has shown that a minimum of 10% concentration of hydroxyapatite is essential for effective sensitivity relief and enamel strengthening. Unlike many other toothpastes that put a token amount of hydroxyapatite, we pack ours with a full 11% (including 6% being nano-hydroxyapatite) for assured results. This is more expensive for us, but we are committed to seeing that our products work.

𝗛𝗢𝗟𝗜𝗦𝗧𝗜𝗖 𝗗𝗘𝗡𝗧𝗜𝗦𝗧 𝗥𝗘𝗦𝗘𝗔𝗥𝗖𝗛𝗘𝗗 𝗔𝗡𝗗 𝗙𝗢𝗥𝗠𝗨𝗟𝗔𝗧𝗘𝗗: Built upon years of experience as a holistic dentist, our toothpaste is completely FREE OF FLUORIDE, SLS, sulfates and is non-GMO. It is loaded with potent ingredients, such as xylitol (for its proven anti-cavity properties) and organic aloe vera (for natural healing and calming) plus many other healthy kickers like zinc, tea tree oil, herbal and fruit extract–all to help support the healthiest mouth possible!

𝗘𝗙𝗙𝗘𝗖𝗧𝗜𝗩𝗘 𝗦𝗘𝗡𝗦𝗜𝗧𝗜𝗩𝗜𝗧𝗬 𝗥𝗘𝗟𝗜𝗘𝗙: With 21 active ingredients, our remineralizing toothpaste was created by a holistic dentist as an ideal toothpaste for his patients. It took years of research, and a complex manufacturing process to achieve this goal. Packed with healing ingredients to provide powerful sensitivity relief, cavity control and enamel strengthening (plus a natural, non-harmful whitening action). All to help you to heal your mouth and achieve great oral health.

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03/23/2023 11:37 pm GMT

What are some tips and advice for incorporating hydroxyapatite into your dental routine?

To effectively incorporate hydroxyapatite into your dental routine, consider the following tips:

  • Consult your dentist or dental hygienist before incorporating new dental products into your routine.
  • Hydroxyapatite toothpaste is part of a comprehensive dental routine that includes brushing, flossing, and regular dental checkups.
  • To minimize your environmental impact, consider using other natural and biocompatible dental products, such as bamboo toothbrushes or compostable floss.

Are there any potential concerns or limitations of using Hydroxyapatite toothpaste?

While hydroxyapatite toothpaste is generally considered safe and effective for dental health, there are some potential concerns and limitations to remember. For example:

  • Hydroxyapatite toothpaste may not be suitable for everyone, particularly individuals with pre-existing dental conditions or allergies to certain dental products.
  • Hydroxyapatite toothpaste may be less effective than traditional dental products for specific dental concerns, such as severe cavities or advanced gum disease.
  • Hydroxyapatite toothpaste may be more expensive than conventional toothpaste, which could be a limiting factor for some individuals.

Frequently Asked Questions (FAQ)


Hydroxyapatite and fluoride have different mechanisms of action when it comes to dental health. Fluoride works by promoting the remineralization of enamel and inhibiting bacterial growth, while hydroxyapatite works by providing a source of calcium and phosphate ions to support enamel strength and remineralization. While both ingredients can be effective for dental health, hydroxyapatite may offer some advantages over fluoride, such as reducing dentin hypersensitivity and being a natural, biocompatible mineral.

Hydroxyapatite has been shown to be effective at remineralizing enamel and supporting cavity prevention, but it may not be able to repair cavities that have already formed. In some cases, early-stage cavities may be able to be reversed with hydroxyapatite treatment, but more advanced cavities may require more invasive dental procedures, such as fillings or crowns.

To incorporate hydroxyapatite into your dental routine, look for toothpaste, mouthwashes, or other dental products that contain hydroxyapatite as a key ingredient. Use the product as the manufacturer directs, which may involve brushing with a hydroxyapatite toothpaste twice a day or rinsing with a hydroxyapatite mouthwash after meals. Be sure to choose high-quality products free from potentially harmful ingredients designed to address your specific dental needs.

My Experience & Expertise

From my experience as a dentist, I recommend incorporating hydroxyapatite toothpaste into your dental routine. With its natural and biocompatible composition, hydroxyapatite offers multiple benefits for dental health, including cavity prevention, enamel remineralization, and teeth whitening. By consulting with a dental professional and following the tips outlined in this article, you can make informed choices about the best products and practices for your individual dental needs. Trust me; your teeth will thank you for it!

The more you know, the more healthy habits you can develop, saving you and your family from avoidable and potentially expensive dental procedures. Talk to your dental professional for more suggestions on improving oral health and check back for more blog posts and relevant information. Please share this site and let us know what else you’d like to know!

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