Therapeutic Craze Traces and Fractures with Hydroxyapatite


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Cracked enamel are the third commonest cause for tooth loss.1 However in the case of your enamel, a crack isn’t just a crack. 

You might have what appears like cracked enamel, however it could simply be a craze line or craze fracture. Cracked enamel could also be an emergency, however a craze line is a beauty subject.

Dentists typically discover it difficult to outline cracks in enamel. There are such a lot of completely different levels of cracked enamel, with each requiring a novel resolution. 

On this article, we are going to talk about what craze traces and craze fractures are. We can even take a look at signs, causes, and tips on how to deal with them, together with whether or not you should utilize hydroxyapatite for remedy.

What are craze traces?

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

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

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

What causes craze traces?

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

Craze traces can be brought on by:

  • Grinding of enamel. Quickly-formed craze traces could possibly be the results of enamel grinding.
  • Sleep bruxism. The hallmarks of sleep bruxism, a sleep-related motion dysfunction, are enamel grinding and clenching, which might result in craze traces.2 
  • Dangerous habits. Should you continually chunk your fingernails or chew gum, these unhealthy habits can result in craze traces. 
  • Orthodontics gone flawed. In case your enamel aren’t 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 known as craze fractures. Deep fractures are harmful as a result of they could be colonized by bacterial biofilms. Dentists typically take out fillings to see how deep the traces have gone. 

While you chunk on a fractured tooth, you might 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 may cause signs starting from acute irritation to whole pulpal necrosis.3 Chances are you’ll want an intervention that forestalls 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 completely different signs which will or might not point out craze traces.

A crack that doesn’t present any indicators or signs, corresponding to sizzling 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 chunk or chew, you’ll have a craze fracture. 

How can dentists assist deal with craze traces?

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

While you go to your dentist, she or he might use dental imaging know-how often called 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 mild 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

Should you suppose you could have a craze line, the very first thing it’s best to do is schedule an appointment along with your dentist. You don’t need that craze line to deepen and grow to be a craze fracture. 

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

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

  • Tooth whitening. This works greatest in case your craze traces are stained. People who smoke and low drinkers might profit from enamel 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 enamel. They’ll masks stains identical to enamel whitening however are extra sturdy. Porcelain veneers additionally must be custom-made for every tooth. 
  • Beauty bonding. Dentists can use one thing known as composite resin to masks the looks of craze traces. Beauty bonding is extra reasonably priced 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 enamel. 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 persons are changing into conscious of the substances they cook dinner with, they don’t test for the substances of their toothpaste model. 

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

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

What precisely is hydroxyapatite?

Chances are you’ll be questioning what hydroxyapatite is and why it’s in toothpaste.

Hydroxyapatite, in its pure type, is a type of calcium that makes up 97% of your tooth enamel and 70% of the dentin of your enamel. 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 forestalls decay—we’ve a alternative that isn’t poisonous, is biomimetic, and has confirmed to be protected.

You’ll be able to heal cavities and forestall new ones from forming by remineralizing your enamel. Hydroxyapatite is one very efficient approach to do this.

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


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

Should you suppose you’re 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 might be helpful in case you want an intervention to 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 (enamel 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 features. 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 Assessment 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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