What is primordial cyst? - Location, Causes, Treatment

 What is primordial cyst?

A primordial cyst, also known as a dentigerous cyst or follicular cyst, is a type of odontogenic cyst that can develop in the jaws. These cysts usually arise from the follicle that surrounds the crown of an unerupted tooth, or from remnants of the dental lamina (an embryonic structure that gives rise to teeth). Primordial cysts are often asymptomatic and may be discovered incidentally on dental radiographs. However, in some cases, they can cause pain, swelling, or displacement of adjacent teeth.


Primordial cysts can occur in either the maxilla (upper jaw) or the mandible (lower jaw), and are typically found near the crown of an unerupted or impacted tooth. The most common sites for these cysts are the mandibular third molars (wisdom teeth) and the maxillary canines. However, they can also occur in association with other teeth and in other locations in the jaw.

What is primordial cyst - Location, Causes, Treatment


The exact cause of primordial cysts is not fully understood, but it is believed to result from the accumulation of fluid between the reduced enamel epithelium and the enamel of an unerupted or impacted tooth. This fluid buildup can cause pressure to build up, leading to the formation of a cyst.

In some cases, a primordial cyst may develop from remnants of the dental lamina, which is an embryonic structure that gives rise to teeth.

Certain factors may increase the risk of developing a primordial cyst, such as poor oral hygiene, trauma to the jaw, and genetic predisposition. However, in many cases, the development of these cysts is spontaneous and not related to any specific risk factors.


The treatment for a primordial cyst depends on the size and location of the cyst, as well as the patient's symptoms and overall health. In many cases, if the cyst is small and asymptomatic, it may not require immediate treatment, but should be monitored regularly by a dentist or oral surgeon to ensure that it does not grow or cause any problems.

If the cyst is larger or causing discomfort, treatment may involve surgical removal. The procedure typically involves making an incision in the gum tissue to access the cyst and removing it, along with any associated tooth, if necessary. In some cases, a small drain may be placed to promote healing and prevent the buildup of fluid.

After the cyst is removed, the patient may be prescribed pain medication and antibiotics to prevent infection. It is important to maintain good oral hygiene after the procedure and follow any post-operative instructions provided by the dentist or oral surgeon.

Regular follow-up appointments will be necessary to ensure that the cyst does not recur or cause any further problems.

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