Hairline Cracks in Teeth

Hairline cracks in teeth are also known as craze lines. These cracks originate at the gum line and appear to extend down along the tooth, sometimes reaching the root. They are most noticeable along the upper back teeth. Unlike a true fracture, which usually occurs in one of the large back molars, craze lines only affect the front surface of a tooth. The crack is so light that it can’t be seen with an x-ray.

Hairline cracks in teeth are not always painful; however, some individuals experience pain when eating ice cream or other cold foods. If you do experience any discomfort from hairline cracks in teeth, your dentist may recommend a soft diet for a short period of time to give the tooth a chance to heal itself.

Some hairline cracks in teeth may be caused by problems with dental work that has been done on the tooth. If this is the case, your dentist will have to repair or replace any damaged fillings or crowns that are contributing to the problem. In addition, he or she will monitor your progress and make recommendations based on findings.

If your hairline cracks in teeth are not caused by a problem with dental work but instead appear to be related to past trauma, your dentist will advise you regarding ways

hairline cracks in teeth

By Dr. Elhamy Mohamed, DDS, MSD

Cracked tooth syndrome occurs when a tooth sustains enough damage to cause soft tissue or nerve damage. These cracks are often very small and may not be visible to the naked eye, which is why they can be difficult to diagnose. The most common symptoms of cracked tooth syndrome include:

Sharp pain when eating, drinking, or biting down on food

A sudden onset of pain when releasing pressure after biting down on something hard

Cracked Tooth Syndrome: Diagnosis and Treatment Options

The symptoms of cracked tooth syndrome can appear and disappear, which makes them easy to miss. The only way to accurately diagnose a cracked tooth is to visit your dentist for an X-ray. Once a crack is located, a dental professional can determine the best treatment option based on the severity of the crack and where it’s located in the tooth.

Teeth are not solid. They are actually made up of three layers: the enamel (hard outer layer), dentin (inner layer) and pulp (soft middle where the nerves are located). Hairline cracks can happen anywhere on the tooth, with varying degrees of severity.

“There are different types of cracks in teeth,” says Dr. Jon Marashi, a dentist and Assistant Clinical Professor at the UCLA School of Dentistry. “The two most common ones we see are craze lines and fractures.”


Not to be confused with wrinkles, these are small cracks that do not penetrate through the entire tooth. “Think of them like a windshield crack,” says Dr. Marashi. “If you touch it or run your fingernail over it, you’ll feel it but it won’t go through.” According to Marashi, craze lines are called stress fractures because they often occur when people grind their teeth while they sleep or clench their jaw throughout the day. The good news is that they don’t cause any pain or sensitivity to hot or cold temperatures; in fact, they’re so small that they’re only visible under magnification.


Unlike craze lines, a fracture goes through all three parts of the

The first step is to determine if the crack is in the enamel. This is the outer covering of the tooth, and is not living tissue. If you are able to feel that there is a sharp edge on the tooth, then it is probably a crack in the enamel. If this is the case, then you can go ahead and use a filling material, such as composite resin (white filling) to fill in the crack and make it smooth. Using this method, you should be able to repair hairline cracks within one or two appointments

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If you are unsure whether or not the crack extends deeper into the tooth, then your dentist will need to find out how deep it goes before repairing it with a filling material. Crowns are used when a portion of the tooth has cracked off and cannot be repaired with a filling. This will strengthen your tooth so that it will not break off any further

If you have noticed a part of your tooth that seems to be breaking off or getting smaller over time, then you may have some decay in that particular area. It’s best to get this checked out as soon as possible so that further damage does not occur.

Generally, when a crack is present in the tooth’s surface and it is not causing any discomfort, your dentist will recommend a wait-and-see approach.

The crack line is often so fine that it cannot be seen with the naked eye, but can be identified with dental imaging technology such as digital X-rays.

Your dentist may want to recheck the tooth periodically with imaging studies, but a hairline crack usually heals itself over time and does not progress into a larger fracture.

The cracks appear in our teeth, especially in the enamel, and it is a common problem that happens when we chomp on hard things. The hairline cracks are also called craze lines, which are not as serious as other cracks.

The reasons why they crack:

You may have an accident where your teeth are hit by something hard. It can be a sports injury, or when you bite on a hard candy or something else that is too hard.

Teeth grinding or clenching can cause cracked teeth for some people. Some people grind their teeth at night without realizing it.

You may have large fillings that do not fit well and cause you to grind your teeth to compensate for the extra space.

Oral piercings can cause cracked teeth if you bite down on the metal jewelry when it gets caught between your teeth.

Fractured teeth can be a result of trauma, excessive wear and tear, or poor quality dental fillings. A cracked tooth is usually painful because the tooth is damaged and the nerve endings are exposed to air and food. Cracked teeth can be very sensitive to temperature changes and touching. Cracks may look like a black line in the tooth or appear as a gray spot on an X-ray.

The crack may be too small to see with the naked eye and difficult to find on an X-ray. The best way to diagnose a cracked tooth is by biting down on something hard to see if it will cause pain or discomfort.

Most cracks occur at the gum line where the tooth root meets the crown of the tooth. These cracks are also known as craze lines. These fractures may not affect your bite, but they are still vulnerable to further damage. Fractures that occur closer to the center of the tooth can result in difficulty chewing, sharp pain when biting, and increased sensitivity to cold or hot temperatures.

Do Hairline Cracks in Teeth Heal?

Do Hairline Cracks in Teeth Heal
Do Hairline Cracks in Teeth Heal

I have heard that hairline cracks in teeth heal. Is this true?

A hairline crack, also known as a craze line, is a tiny fracture in the outer enamel of the tooth. These fractures are extremely common, and many people have them without knowing it. Craze lines are typically too small to be seen with the naked eye or even under magnification.

Although many craze lines do not cause any symptoms, in some cases they can become sensitive to hot or cold temperatures. Most craze lines are harmless and often do not require treatment.

Craze lines are superficial and do not affect the structural integrity of the tooth or require treatment. If you’re concerned about a crack in your tooth, consult your dentist to determine whether you need any additional treatment.

A hairline crack in teeth may not heal, but it also may not get worse. The tooth might stay healthy for years, or it could deteriorate.

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Hairline cracks and other cracks in teeth can be the result of:

chewing hard foods or objects

grinding your teeth

accidents that lead to blunt force trauma to the mouth

If you have a hairline crack and your tooth is otherwise healthy, your dentist may recommend watching it rather than treating it. If the crack gets bigger or causes other symptoms, then treatment may be necessary to prevent pain and tooth loss.

This is a very common question that arises for many dental patients. The short answer is—no. While it is true that the environment of the mouth has the ability to heal itself, the same cannot be said for teeth. This is because teeth are not made up of living tissue.

Hairline cracks, like all cracks in teeth, are irreversible. This means that they cannot heal and will only get worse over time as you continue to use your teeth as usual.

It depends on the type of hairline crack.

If it’s a crack that has not penetrated past the enamel, then it can heal. The process is called remineralization. Remineralization is the process by which calcium and phosphate salts are deposited in your tooth to strengthen it. When this happens, bacteria will be less likely to use up the calcium and phosphate salts that have been deposited and cause further cavities.

However, if the crack penetrates past the dentin layer, then it can never heal as well since dentin cannot remineralize like enamel can.

The answer to this question depends on the nature of the crack and the extent of its involvement in the tooth. Hairline cracks are usually a result of excessive biting force or acidic drinks. They do not usually cause pain unless the nerve is exposed.

If these cracks extend into the nerve, then they can lead to sensitivity and pain. This type of crack will not heal, but it can be treated with root canal treatment. If a crack extends into the gum tissues, then it will also not heal, and extraction will be necessary.

If a hairline crack does not involve any sensitive tissues, then it should not require treatment.

Teeth do not have the ability to heal themselves. If a person has a hairline fracture in their tooth, they should visit their dentist as soon as possible.

In this article, we describe what a hairline fracture is, how it occurs, and how it can be treated.

Several factors can affect the longevity and health of a tooth, including:

Oral hygiene. The better you care for your teeth and gums, the better your teeth will feel in the long run. You may brush your teeth twice a day, but brushing alone does not remove plaque and bacteria from between your teeth. Flossing daily helps remove plaque that builds up in the tight spaces between your teeth.

Avoiding certain foods and drinks. Eating acidic foods or drinking acidic beverages can weaken your enamel. Carbonated soft drinks are among the most acidic beverages and can cause tooth enamel to weaken, especially if they’re consumed regularly.

Tooth-grinding habits. Grinding or clenching your teeth can put too much pressure on them and cause cracks, as can biting down hard on hard objects such as ice or hard candies

How do You Fix Hairline Cracks in Teeth?

How do You Fix Hairline Cracks in Teeth

Dental problems can be extremely painful and the pain is not always easy to diagnose. Many dental pains are misdiagnosed as headaches and vice versa. The one thing that you must remember about dental problems is that they have to be treated as soon as possible. If you do not take care of a dental problem, it will get worse with time.

There are many types of dental issues. One of the common ones is hairline cracks in teeth. These can lead to many other problems like sensitivity, cavities or even loss of teeth if they are not treated on time.

Here are some ways by which you can fix hairline cracks in your teeth:

A tooth that has hairline cracks may be treated in several ways. The first is a filling, which fills the crack and prevents it from getting larger. Another method uses crowns, which are generally made of porcelain or gold, to cover the affected teeth.

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A dental crown is a type of dental restoration which completely caps or encircles a tooth or dental implant. Crowns are often needed when a large cavity threatens the ongoing health of a tooth. They are typically bonded to the tooth using a dental cement. Crowns can be made from many materials, which are usually fabricated using indirect methods. Crowns are often used to improve the strength or appearance of teeth. While inarguably beneficial to dental health, the procedure and materials can be relatively expensive.

The first step in fixing the hairline crack is to make sure that it is not a cavity. To do this, your dentist will take an X-ray of the tooth. If it shows that there is a crack and no cavity then he or she will probably recommend getting a crown for the tooth.

The reason for this is that if you do nothing, the crack will continue to get bigger, and eventually lead to severe pain and the need for root canal therapy. A crown will stop this from happening, although it is possible that the crack may continue through the crown. In this case, root canal therapy will be needed.

If your dentist determines that there is a cavity then they will most likely just fix the filling, although if the fracture is diagnosed after you have already had a filling done it may be necessary to redo it anyway because they cannot guarantee that they got all of the decay out of your tooth.

If a crack is a superficial, uncomplicated crack then it can be fixed with a filling.

If the crack is complicated, has reached the root of the tooth or has already fractured the root, then the tooth will need to be extracted and replaced with an implant.

You can’t actually fix the cracks, but you can strengthen the tooth with a crown or an inlay/onlay. You can also prevent further cracking by avoiding chewing hard objects on that tooth.

There are different types of cracks in teeth. The general issue is the same, but the severity of the crack and extent of damage will determine the best treatment.

Fractured Cusp

When a crack affects only a cusp (pointed area) of your tooth and doesn’t extend into the root, it’s called a fractured cusp. This type of crack is common in people who grind their teeth. It can be caused by chewing on something hard or grinding your teeth at night.

Your dentist may be able to repair it by placing a crown over the tooth, or an onlay if there is enough healthy tooth surface remaining to support the restoration. Depending on how much damage has occurred, you may need root canal therapy as well. Crowns and onlays are restorations used to repair broken teeth without extracting them. They protect your teeth from further fracture, restore function and prevent further decay.

Vertical Root Fracture

A vertical root fracture (VRF) is much more serious than a fractured cusp. It occurs in one of the roots of your tooth and can extend from below your gum line to above it. Usually it happens slowly over time because of gum disease or repeated dental procedures that weaken your tooth structure.

In this day and age, there is no reason whatsoever for you to have to live with cracked teeth. The technology exists to repair every tooth that can be saved.

The problem is finding a dentist who can do it. For some reason they don’t want to learn how. It’s a complex process, but it can be done. If you want your smile restored, find a dentist who knows how to do it. If he says he doesn’t know how, or that your teeth are too far gone, get another opinion.

Not everyone will be able to save their teeth, but if you are lucky enough to have a dentist who knows how, there is no reason for you not to have a perfect smile.