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Therapeutic Craze Traces and Fractures with Hydroxyapatite

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Cracked tooth are the third commonest purpose for tooth loss.1 However with regards to your tooth, a crack isn’t just a crack. 

You will have what seems like cracked tooth, however it might simply be a craze line or craze fracture. Cracked tooth could also be an emergency, however a craze line is a beauty situation.

Dentists usually discover it difficult to outline cracks in tooth. There are such a lot of totally different levels of cracked tooth, with every one requiring a novel resolution. 

On this article, we’ll focus on what craze traces and craze fractures are. We may even take a look at signs, causes, and the best way to deal with them, together with whether or not you need to use hydroxyapatite for remedy.

What are craze traces?

Craze traces are superficial traces with slight vertical splits within the outer layer of the tooth enamel. They’re generally referred to as hairline cracks or superficial cracks. 

Whereas craze traces don’t have an effect on your bodily well being, you could discover that their visibility makes you unhappy along with your smile.

In people who smoke or espresso drinkers, craze traces could seem as stain traces in your tooth. 

What causes craze traces?

Craze traces can happen as a result of regular growing older of the tooth—from put on and tear over time. 

Craze traces can be brought on by:

  • Grinding of tooth. Quickly-formed craze traces might be the results of tooth grinding.
  • Sleep bruxism. The hallmarks of sleep bruxism, a sleep-related motion dysfunction, are tooth grinding and clenching, which may result in craze traces.2 
  • Unhealthy habits. If you happen to continually chew your fingernails or chew gum, these dangerous habits can result in craze traces. 
  • Orthodontics gone mistaken. In case your tooth should not positioned correctly after an orthodontic process, it may result in the formation of craze traces. 

Craze traces vs. craze fractures

Craze traces that go deeper are referred to as craze fractures. Deep fractures are harmful as a result of they could be colonized by bacterial biofilms. Dentists usually take out fillings to see how deep the traces have gone. 

While you chew on a fractured tooth, you could really feel ache. Over time, the crack can propagate and have an effect on the pulp, and you’ll find yourself with a dying tooth. 

In lots of instances, cracks that stretch to the pulp could cause signs starting from acute irritation to whole pulpal necrosis.3 It’s possible you’ll want an intervention that stops the crack from propagating additional. 

Trauma also can trigger your higher and decrease jaw to hit collectively and trigger a craze fracture in your tooth.

What are the signs of craze traces and craze fractures?

Sufferers expertise totally different signs which will or could not point out craze traces.

A crack that doesn’t present any indicators or signs, corresponding to scorching or chilly sensitivity, might be a craze line. You shouldn’t fear about it however level it out to your dentist.

Nonetheless, should you’re experiencing ache while you chew or chew, you might have a craze fracture. 

How can dentists assist deal with craze traces?

Common visits to your dentist may also help determine a craze line or deep fracture. 

While you go to your dentist, she or he could use dental imaging know-how referred to as indocyanine-green-assisted near-infrared fluorescence (ICG-NIRF) to detect any cracks in your enamel. ICG-NIRF also can detect points like dental caries and decays. 

Throughout ICG-NIRF dental imaging, the enamel is illuminated with gentle on the excitation wavelength of about 750-800 nm, after which it’s noticed at longer wavelengths of over 800 nm.4 ICG is nice as a result of it’s non-toxic and nonionizing

If you happen to suppose you may have a craze line, the very first thing it is best to do is schedule an appointment along with your dentist. You don’t need that craze line to deepen and change into a craze fracture. 

Sadly, if the fracture goes under the gum line or to an space that we can not attain, like a restoration with a crown and filling, it can leak micro organism, have an effect on the pulp, and lead to bone loss. So don’t let that fracture propagate under the gum line, or we will be unable to extract it.  

Craze traces are innocent, however should you insist on remedy, your dentist could provide the next beauty procedures:

  • Tooth whitening. This works greatest in case your craze traces are stained. People who smoke and occasional drinkers could profit from tooth whitening. Tooth whitening won’t take away craze traces however will enhance their look.
  • Porcelain veneers. Dental porcelain veneers are made up of skinny shells that may bond on to your tooth. They will masks stains similar to tooth whitening however are extra sturdy. Porcelain veneers additionally have to be custom-made for every tooth. 
  • Beauty bonding. Dentists can use one thing referred to as composite resin to masks the looks of craze traces. Beauty bonding is extra inexpensive than porcelain veneers. 

Can you utilize hydroxyapatite toothpaste to heal craze traces and fractures?

The quick reply is, “no.” Fluoridated or hydroxyapatite toothpaste can not seal craze traces. Hydroxyapatite toothpaste is helpful for remineralizing broken tooth. Nonetheless, remineralization can not happen in craze traces or fractures as a result of they’re continually transferring. 

Nonetheless, as a purposeful dentist, I like to recommend common use of hydroxyapatite toothpaste and never fluoridated toothpaste. Though extra individuals are changing into conscious of the substances they prepare dinner with, they don’t test for the substances of their toothpaste model. 

Sadly, adults and youngsters are continually uncovered to poisonous substances of their houses or locations they go to steadily. Some examples of dangerous metals and chemical compounds are lead, mercury, arsenic, glyphosate, and chemical compounds present in air air pollution.

It’s almost not possible to manage the extent of publicity to all of those poisonous substances. However with regards to fluoride, it’s a no brainer: you possibly can substitute fluoride in toothpaste with hydroxyapatite.

What precisely is hydroxyapatite?

It’s possible you’ll be questioning what hydroxyapatite is and why it’s in toothpaste.

Hydroxyapatite, in its pure kind, is a type of calcium that makes up 97% of your tooth enamel and 70% of the dentin of your tooth. The remainder of your enamel is definitely composed of water, collagen, and different proteins.

The great thing about hydroxyapatite is that we don’t have to remove one thing that stops decay—now we have a alternative that isn’t poisonous, is biomimetic, and has confirmed to be protected.

You’ll be able to heal cavities and stop new ones from forming by remineralizing your tooth. Hydroxyapatite is one very efficient method to try this.

Hydroxyapatite performs simply in addition to fluoride, in some instances higher, with not one of the toxicity considerations. 


Craze traces and fractures are troublesome to diagnose, however by way of cautious examination, your dentist can decide what you’re coping with.

If you happen to suppose you might be experiencing ache due to a craze line or fracture, inform your dentist.

Hydroxyapatite or fluoride won’t heal your craze traces or craze fractures. Nonetheless, think about using hydroxyapatite toothpaste for different advantageous properties.

Common visits along with your dentist can be helpful in case you want an intervention in your craze traces or fractures. 


1. Li Z, Holamoge YV, Li Z, et al. Detection and evaluation of enamel cracks by ICG-NIR fluorescence dental imaging. Ann N Y Acad Sci. 2020;1475(1):52-63. doi:10.1111/nyas.14374

2. Bruxism (tooth grinding) – Signs and causes. Mayo Clinic. Accessed April 2, 2021.

3. Ricucci D, Siqueira JF, Loghin S, Berman LH. The cracked tooth: histopathologic and histobacteriologic points. J Endod. 2015;41(3):343-352. doi:10.1016/j.joen.2014.09.021

4. Alander JT, Kaartinen I, Laakso A, et al. A Overview of Indocyanine Inexperienced Fluorescent Imaging in Surgical procedure. Wei G, ed. Worldwide Journal of Biomedical Imaging. 2012;2012:940585. doi:10.1155/2012/940585



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