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You Come to “Be A Monster”! The Scary “Shark Teeth”

Many parents look at their children’s mouth and panic when they see permanent teeth growing behind their baby’s teeth. What went wrong? Should permanent teeth grow under the baby’s teeth and push them out?

Don’t worry, the permanent teeth behind the baby’s teeth are not an emergency! Some babies are in the time of changing teeth, but the deciduous teeth have not fallen off, there are two permanent teeth squeezed out behind the deciduous teeth, which makes the baby look like a “little shark, little monster” with two layers of teeth. Why do children have such teeth? In fact, such examples are not uncommon. The deciduous teeth have not fallen off and the permanent teeth have erupted. This situation is called deciduous teeth retention. The normal situation should be that the roots of the deciduous teeth undergo physiological absorption and fall off, and then the permanent teeth erupt.

Usually when the permanent teeth are pushed up, the roots of the baby’s teeth will dissolve, and the baby’s teeth will eventually fall out, allowing the permanent teeth to enter. Sometimes the baby’s teeth don’t want to leave the mouth, and the permanent teeth come in behind. This condition is technically called a sublingual tooth incision, usually called a shark tooth or just a permanent tooth behind the baby’s teeth.

How common are shark teeth, are they serious and whether they can be treated. This is a close-up view of a child’s lower jaw, with his permanent lower front teeth entering behind the front teeth. The child’s parents commented that a few hours after the photo was taken, one of the baby’s teeth fell out. So sometimes the body can even correct the problem by itself!

Why permanent teeth grow up behind baby teeth

There are some speculations about why shark teeth appear. Some dentists believe this is because the roots of the baby’s teeth do not dissolve as usual, and the permanent teeth have nowhere to go, so they just enter the mouth, where resistance is the least. Other dentists said that permanent teeth began to grow behind the baby’s teeth because the lower jaw was too crowded.

Another theory is that because permanent teeth develop behind the baby’s teeth, this is just a slight deviation from normal teeth, and they are not moving forward as they should. Xiaoya believes that all of these are good explanations for why this phenomenon occurs. All three are possible explanations, and any one of them may be applicable to a particular individual.

How common and serious is the retention of primary teeth?

Permanent teeth that grow behind the baby’s teeth are a very common disease. Studies abroad have shown that the retention of primary teeth accounts for about 10% of all children.

Fortunately, many times the shark’s teeth will resolve on their own, because the baby’s teeth will eventually fall out. Sometimes, they won’t solve it by themselves. Xiaoya had clinically seen two patients who were close to 20 years old, and some of their permanent teeth had baby teeth in front of them.

Once a young lady had decided that she might wear braces because the baby teeth hanging in her mouth caused some crowding, and now her teeth are not aligned well. Sadly, when her permanent teeth entered for the first time, she never corrected the situation. Most of the time, your dentist can correct a shark tooth before it becomes a problem.

Shark teeth: permanent teeth behind baby teeth

The two photos in this article show that many times, shark teeth can fix themselves. However, if they do not, the dentist can take certain measures to solve the problem.

How does a dentist treat retained deciduous teeth

If your child’s shark teeth cannot resolve on their own within a few weeks, please see a dentist promptly. If needed, your child’s dentist will be able to remove the baby teeth from your child’s mouth, which usually solves the problem.

If the dentist has removed the baby teeth and there is still not enough space for the permanent teeth to move forward and return to the normal bite position, then your dentist may reduce the remaining teeth. This process should leave enough space for the permanent teeth. The tooth moves to the final position.

A pediatric doctor once said: “Teeth often appear in pairs, so if one tooth does not enter correctly, neither will the other tooth.” The important thing is to ensure that all teeth have enough space to enter the mouth and are aligned properly. This way your child can have a direct smile and can chew effectively.

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