Eruption Cyst in Children: Features, Diagnosis, and Natural Resolution

Eruption Cyst in Children: Features, Diagnosis, And Natural Resolution

Question. Write a note on the eruption cyst.

Answer. It is defined as an odontogenic cyst with histologic features of a dentigerous cyst that surrounds a tooth crown that has erupted through bone but not soft tissue and is clinically visible as a soft, fluctuant mass on the alveolar ridges.

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Clinical Features Of Eruption Cyst

• Most commonly found in children.
• It arises most frequently anterior to the first permanent molar.
• The lesion appears as a circumscribed, fluctuant, often translucent swelling of alveolar ridge at site of erupting tooth.
• When the cystic cavity contains blood, swelling appears deep blue or purple so it is known as eruption hematoma.
• Swelling is painless since it is infected.

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Histological Features Of Eruption Cyst

• On microscopic examination stratified squamous
  epithelium of overlying gingiva is seen.
• Epithelium is separated from cysts by a strip of dense connective tissue.
• There is the presence of mild chronic inflammatory cell infiltrate.
• In non-inflamed areas epithelial lining of the cyst is of reduced enamel epithelium.

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Treatment Of Eruption Cyst

No treatment is necessary as the cyst often ruptures spontaneously.