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Oral Cysts

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space placeholder.What Is It?.
space placeholder.Symptoms.
space placeholder.Diagnosis.
space placeholder.Expected Duration.
space placeholder.Prevention.
space placeholder.Treatment.
space placeholder.When to Call a Professional.
space placeholder.Prognosis.
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space placeholder.What Is It?
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A cyst is a sac or pouch that forms under the skin or in bone. The cyst can be empty or contain fluid. A cyst is not cancerous.

A cyst is lined with a kind of tissue called epithelium. This type of tissue normally is found in surface layers, such as the skin and the lining of the mouth. Cysts may form when epithelium cells move into deeper body layers and begin to multiply.

Oral cysts are found in the head or neck. They can be in the jawbone, or in soft tissues such as the salivary glands, skin or inside the mouth.

There are many types of cysts.

Sometimes a cyst in the jawbone is lined with epithelium that normally forms teeth. This is called an odontogenic cyst. This type of jaw cyst can grow large enough to move teeth and cause problems with the bite (the way teeth come together).

A large odontogenic cyst also can weaken the jaw because the cyst replaces the hard bone tissue. This makes the jaw more likely to break. The jaw can become inflamed, infected and painful.

One type of odontogenic cyst, called an odontogenic keratocyst, tends to grow very fast. It is difficult to treat and comes back more often than other types of cysts. People with an inherited condition called basal cell nevus syndrome can form this type of cyst.

The most common cyst found in the mouth is the apical periodontal cyst. It develops as a result of an infection in the tooth pulp, or nerve. This infection typically is caused by decay.

A dentigerous cyst forms at the crown of a tooth that has not yet come into the mouth. This type of cyst can cause roots of already erupted teeth in the area to resorb (dissolve).

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space placeholder.Symptoms
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A cyst in soft tissue may appear as a small, painless bump. It is often less than 1 inch across. A cyst can be under the skin of the inner lower lip, inner cheek or gums. It usually does not cause pain unless it becomes infected or you bite down on it accidentally.

A small odontogenic jaw cyst may be painless. You might not notice it. But it can be seen on an X-ray as a dark area in the bone. When an odontogenic cyst becomes large and infected, it may be painful. It also can cause the jawbone to bulge, and teeth to move.

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space placeholder.Diagnosis
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If you have a cyst, your dentist may have an aspirate biopsy performed. In this type of biopsy, fluid from the cyst is removed with a needle. You may also have another type of biopsy, in which a small piece of tissue or the entire cyst is removed. The fluid or tissue is analyzed in a laboratory.

A biopsy will determine the type of cyst and how it should be treated. It also will confirm that you have a cyst, not cancer.

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space placeholder.Expected Duration
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Without treatment, a cyst may continue to get larger. Cysts are removed by surgery. Sometimes they grow back.

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space placeholder.Prevention
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There is no way to prevent a cyst from occurring.

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space placeholder.Treatment
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Usually, the cyst is removed by surgery. An oral surgeon usually does this procedure under local anesthesia. If the cyst is infected, you may be given antibiotics.

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space placeholder.When to Call a Professional
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Call your dentist if you notice a swelling in your mouth or near your jaw. It may be either painful or painless. Sometimes a very young child will have a cyst at the site where a tooth is erupting. If this is the case, you will notice a small bulge of soft tissue sitting on the jaw ridge over the tooth crown. If this bulge is red, it may be tender or painful.

Call your dentist if you notice that a tooth has moved. Sometimes the cause is an odontogenic cyst.

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space placeholder.Prognosis
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The outlook is excellent because cysts can be removed by surgery. However, some cysts return. People who have had a cyst removed should be checked from time to time by a dentist.

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